./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.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/bench-exp3x3-opt.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8857f20b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/bench-exp3x3-opt.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-8857f20-m [2024-01-29 22:56:08,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 22:56:08,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 22:56:08,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 22:56:08,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 22:56:08,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 22:56:08,364 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 22:56:08,364 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 22:56:08,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 22:56:08,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 22:56:08,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 22:56:08,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 22:56:08,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 22:56:08,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 22:56:08,367 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 22:56:08,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 22:56:08,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 22:56:08,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 22:56:08,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 22:56:08,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 22:56:08,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 22:56:08,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 22:56:08,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 22:56:08,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 22:56:08,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 22:56:08,370 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 22:56:08,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 22:56:08,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 22:56:08,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 22:56:08,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 22:56:08,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 22:56:08,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 22:56:08,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:56:08,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 22:56:08,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 22:56:08,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 22:56:08,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 22:56:08,373 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 22:56:08,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 22:56:08,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 22:56:08,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 22:56:08,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 22:56:08,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 22:56:08,401 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 22:56:08,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 22:56:08,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 22:56:08,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 22:56:08,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 22:56:08,606 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 22:56:08,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2024-01-29 22:56:09,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 22:56:09,897 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 22:56:09,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2024-01-29 22:56:09,904 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bec5b55/b168c7bfeabf4be2997ecdca8b3fe88b/FLAG3d3b934f6 [2024-01-29 22:56:09,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6bec5b55/b168c7bfeabf4be2997ecdca8b3fe88b [2024-01-29 22:56:09,918 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 22:56:09,919 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 22:56:09,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/bench-exp3x3-opt.wvr.yml/witness.yml [2024-01-29 22:56:09,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 22:56:09,990 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 22:56:09,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 22:56:09,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 22:56:09,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 22:56:09,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:56:09" (1/2) ... [2024-01-29 22:56:09,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d28f53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:09, skipping insertion in model container [2024-01-29 22:56:09,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:56:09" (1/2) ... [2024-01-29 22:56:10,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41ab85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:56:10, skipping insertion in model container [2024-01-29 22:56:10,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:56:09" (2/2) ... [2024-01-29 22:56:10,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d28f53b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10, skipping insertion in model container [2024-01-29 22:56:10,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:56:09" (2/2) ... [2024-01-29 22:56:10,002 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 22:56:10,034 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 22:56:10,035 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (x3 == 0U) && (x5 == 0U) [2024-01-29 22:56:10,035 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] x3 == 0U [2024-01-29 22:56:10,035 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] ((x3 == 0U) && (x5 == 0U)) && (x6 == 0U) [2024-01-29 22:56:10,036 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (x3 == 0U) && (x4 == 0U) [2024-01-29 22:56:10,036 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] ((x3 == 0U) && (x5 == 0U)) && (n == 0U) [2024-01-29 22:56:10,036 INFO L98 nessWitnessExtractor]: Loop invariant at [L57-L59] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (x6 == 0U) && (n == 0U) [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] x6 == 0U [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] n == 0U [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Loop invariant at [L49-L51] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,037 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,038 INFO L98 nessWitnessExtractor]: Loop invariant at [L81-L83] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,038 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] x2 == 0U [2024-01-29 22:56:10,038 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (x2 == 0U) && (x4 == 0U) [2024-01-29 22:56:10,038 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (x2 == 0U) && (x5 == 0U) [2024-01-29 22:56:10,038 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (x2 == 0U) && (x3 == 0U) [2024-01-29 22:56:10,038 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (x2 == 0U) && (x6 == 0U) [2024-01-29 22:56:10,038 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] (x2 == 0U) && (n == 0U) [2024-01-29 22:56:10,039 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,039 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,039 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,039 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,039 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,040 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] x4 == 0U [2024-01-29 22:56:10,040 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (x4 == 0U) && (n == 0U) [2024-01-29 22:56:10,040 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (x4 == 0U) && (x6 == 0U) [2024-01-29 22:56:10,040 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] (x4 == 0U) && (x5 == 0U) [2024-01-29 22:56:10,040 INFO L98 nessWitnessExtractor]: Loop invariant at [L41-L43] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,040 INFO L98 nessWitnessExtractor]: Location invariant after [L41-L43] n == 0U [2024-01-29 22:56:10,040 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,041 INFO L98 nessWitnessExtractor]: Loop invariant at [L65-L67] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,041 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] ((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL) [2024-01-29 22:56:10,041 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && ((0LL - (long long )n) - (long long )x1 >= 0LL) [2024-01-29 22:56:10,041 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && (n == 0U) [2024-01-29 22:56:10,041 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && ((long long )n - (long long )x1 >= 0LL) [2024-01-29 22:56:10,042 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && (x1 == 0U) [2024-01-29 22:56:10,042 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && (x2 == 0U) [2024-01-29 22:56:10,042 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && (x4 == 0U) [2024-01-29 22:56:10,043 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (0LL - (long long )n) + (long long )x1 >= 0LL [2024-01-29 22:56:10,043 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && (x3 == 0U) [2024-01-29 22:56:10,043 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && (x5 == 0U) [2024-01-29 22:56:10,043 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (((0LL - (long long )n) + (long long )x1 >= 0LL) && ((long long )n + (long long )x1 >= 0LL)) && (x6 == 0U) [2024-01-29 22:56:10,043 INFO L98 nessWitnessExtractor]: Loop invariant at [L73-L75] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,043 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (x5 == 0U) && (n == 0U) [2024-01-29 22:56:10,044 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] x5 == 0U [2024-01-29 22:56:10,044 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (x5 == 0U) && (x6 == 0U) [2024-01-29 22:56:10,044 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,044 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 22:56:10,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 22:56:10,215 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/bench-exp3x3-opt.wvr.c[2904,2917] [2024-01-29 22:56:10,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:56:10,224 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 22:56:10,286 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/bench-exp3x3-opt.wvr.c[2904,2917] [2024-01-29 22:56:10,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 22:56:10,299 INFO L206 MainTranslator]: Completed translation [2024-01-29 22:56:10,299 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10 WrapperNode [2024-01-29 22:56:10,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 22:56:10,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 22:56:10,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 22:56:10,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 22:56:10,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,391 INFO L138 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 163 [2024-01-29 22:56:10,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 22:56:10,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 22:56:10,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 22:56:10,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 22:56:10,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,404 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,428 INFO L175 MemorySlicer]: Split 14 memory accesses to 7 slices as follows [2, 2, 2, 2, 2, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 1, 1, 1]. [2024-01-29 22:56:10,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 22:56:10,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 22:56:10,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 22:56:10,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 22:56:10,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (1/1) ... [2024-01-29 22:56:10,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 22:56:10,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 22:56:10,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 22:56:10,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 22:56:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 22:56:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 22:56:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 22:56:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 22:56:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 22:56:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 22:56:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-29 22:56:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-29 22:56:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-01-29 22:56:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 22:56:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 22:56:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 22:56:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 22:56:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-29 22:56:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-29 22:56:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-01-29 22:56:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 22:56:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 22:56:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 22:56:10,566 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 22:56:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 22:56:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 22:56:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-29 22:56:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-29 22:56:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 22:56:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 22:56:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 22:56:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 22:56:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-29 22:56:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-29 22:56:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-01-29 22:56:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-01-29 22:56:10,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-01-29 22:56:10,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-01-29 22:56:10,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-01-29 22:56:10,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 22:56:10,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 22:56:10,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 22:56:10,571 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 22:56:10,691 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 22:56:10,693 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 22:56:11,080 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 22:56:11,080 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 22:56:11,208 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 22:56:11,209 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-01-29 22:56:11,209 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:56:11 BoogieIcfgContainer [2024-01-29 22:56:11,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 22:56:11,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 22:56:11,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 22:56:11,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 22:56:11,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:56:09" (1/4) ... [2024-01-29 22:56:11,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d639019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:56:11, skipping insertion in model container [2024-01-29 22:56:11,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 10:56:09" (2/4) ... [2024-01-29 22:56:11,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d639019 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:56:11, skipping insertion in model container [2024-01-29 22:56:11,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 10:56:10" (3/4) ... [2024-01-29 22:56:11,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d639019 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 10:56:11, skipping insertion in model container [2024-01-29 22:56:11,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:56:11" (4/4) ... [2024-01-29 22:56:11,215 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3-opt.wvr.c [2024-01-29 22:56:11,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 22:56:11,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-01-29 22:56:11,229 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 22:56:11,301 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-01-29 22:56:11,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 178 places, 165 transitions, 372 flow [2024-01-29 22:56:11,393 INFO L124 PetriNetUnfolderBase]: 6/159 cut-off events. [2024-01-29 22:56:11,393 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-01-29 22:56:11,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 159 events. 6/159 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 344 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 142. Up to 2 conditions per place. [2024-01-29 22:56:11,398 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 165 transitions, 372 flow [2024-01-29 22:56:11,404 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 158 transitions, 352 flow [2024-01-29 22:56:11,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 22:56:11,423 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;@3a9a76d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 22:56:11,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-01-29 22:56:11,426 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 22:56:11,426 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 22:56:11,426 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 22:56:11,426 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 22:56:11,427 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 22:56:11,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (and 86 more)] === [2024-01-29 22:56:11,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 22:56:11,433 INFO L85 PathProgramCache]: Analyzing trace with hash 17069, now seen corresponding path program 1 times [2024-01-29 22:56:11,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 22:56:11,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907007918] [2024-01-29 22:56:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 22:56:11,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 22:56:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 22:56:11,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 22:56:11,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 22:56:11,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907007918] [2024-01-29 22:56:11,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907007918] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 22:56:11,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 22:56:11,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 22:56:11,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3471649] [2024-01-29 22:56:11,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 22:56:11,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 22:56:11,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 22:56:11,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 22:56:11,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 22:56:12,048 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 165 [2024-01-29 22:56:12,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 158 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 22:56:12,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 22:56:12,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 165 [2024-01-29 22:56:12,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 22:56:42,570 INFO L124 PetriNetUnfolderBase]: 345752/440834 cut-off events. [2024-01-29 22:56:42,570 INFO L125 PetriNetUnfolderBase]: For 10902/10902 co-relation queries the response was YES. [2024-01-29 22:56:44,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 852662 conditions, 440834 events. 345752/440834 cut-off events. For 10902/10902 co-relation queries the response was YES. Maximal size of possible extension queue 17550. Compared 2961645 event pairs, 228127 based on Foata normal form. 6/295846 useless extension candidates. Maximal degree in co-relation 743986. Up to 398540 conditions per place.