./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 fced0e87 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:11:32,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:11:32,899 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:11:32,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:11:32,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:11:32,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:11:32,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:11:32,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:11:32,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:11:32,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:11:32,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:11:32,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:11:32,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:11:32,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:11:32,932 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:11:32,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:11:32,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:11:32,933 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:11:32,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:11:32,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:11:32,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:11:32,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:11:32,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:11:32,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:11:32,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:11:32,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:11:32,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:11:32,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:11:32,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:11:32,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:11:32,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:11:32,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:11:32,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:11:32,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:11:32,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:11:32,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:11:32,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:11:32,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:11:32,938 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:11:32,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:11:32,938 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:11:32,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:11:32,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:11:32,939 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:11:33,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:11:33,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:11:33,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:11:33,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:11:33,165 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:11:33,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-01-31 16:11:34,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:11:34,280 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:11:34,281 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-01-31 16:11:34,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73230d1/2d6e7d03ccfd44fdb8c90fb3317983bf/FLAG0d2f51dac [2024-01-31 16:11:34,297 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c73230d1/2d6e7d03ccfd44fdb8c90fb3317983bf [2024-01-31 16:11:34,299 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:11:34,300 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:11:34,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-threaded-sum-3.wvr.yml/witness.yml [2024-01-31 16:11:34,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:11:34,416 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:11:34,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:11:34,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:11:34,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:11:34,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:11:34" (1/2) ... [2024-01-31 16:11:34,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22348cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:11:34, skipping insertion in model container [2024-01-31 16:11:34,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:11:34" (1/2) ... [2024-01-31 16:11:34,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b8fbcb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:11:34, skipping insertion in model container [2024-01-31 16:11:34,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:11:34" (2/2) ... [2024-01-31 16:11:34,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22348cda and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34, skipping insertion in model container [2024-01-31 16:11:34,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:11:34" (2/2) ... [2024-01-31 16:11:34,424 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:11:34,460 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:11:34,462 INFO L98 nessWitnessExtractor]: Location invariant after [L42-L42] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,462 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,462 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,462 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,462 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,463 INFO L98 nessWitnessExtractor]: Loop invariant at [L82-L82] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,463 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L63] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,463 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,463 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,463 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (((t == 0U) && (m == 0U)) && (c == 0U)) && (u == 0U) [2024-01-31 16:11:34,464 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,464 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,464 INFO L98 nessWitnessExtractor]: Location invariant after [L80-L80] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,464 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U)) && (U == 0U) [2024-01-31 16:11:34,464 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,464 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,464 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (((1U <= S) && (m == 0U)) && (c == 0U)) && (S != 0U) [2024-01-31 16:11:34,465 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,465 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,465 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,465 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] ((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U) [2024-01-31 16:11:34,466 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((1U <= t) && ((unsigned long )_argptr == 0UL)) && (t != 0U) [2024-01-31 16:11:34,466 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,466 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,466 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,466 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,466 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,466 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] ((s <= 4294967294U) && ((unsigned long )_argptr == 0UL)) && (s != 4294967295U) [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((t <= 4294967294U) && ((unsigned long )_argptr == 0UL)) && (t != 4294967295U) [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] ((m == 0U) && (c == 0U)) && (u == 0U) [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] ((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (T == 0U)) && (u == 0U)) && (U == 0U) [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,467 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (t == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,468 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (T == 0U)) && (S == 0U)) && (u == 0U)) && (U == 0U) [2024-01-31 16:11:34,468 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,469 INFO L98 nessWitnessExtractor]: Location invariant after [L61-L61] (t == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,469 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (s <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,469 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L44] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,469 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,469 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,470 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,470 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (t == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,470 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (t <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:11:34,470 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,470 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] ((1U <= s) && ((unsigned long )_argptr == 0UL)) && (s != 0U) [2024-01-31 16:11:34,470 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,470 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-31 16:11:34,471 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (m == 0U) && (c == 0U) [2024-01-31 16:11:34,487 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:11:34,601 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] [2024-01-31 16:11:34,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:11:34,610 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local [2024-01-31 16:11:34,638 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-01-31 16:11:34,639 WARN L424 MainDispatcher]: Unable to annotate cond = s > 0 || t > 0 || u > 0 with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:11:34,647 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-01-31 16:11:34,647 WARN L424 MainDispatcher]: Unable to annotate cond = t > 0 || u > 0 with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:11:34,655 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-01-31 16:11:34,656 WARN L424 MainDispatcher]: Unable to annotate cond = u > 0 with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:11:34,669 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] [2024-01-31 16:11:34,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:11:34,680 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:11:34,680 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34 WrapperNode [2024-01-31 16:11:34,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:11:34,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:11:34,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:11:34,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:11:34,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,708 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-01-31 16:11:34,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:11:34,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:11:34,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:11:34,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:11:34,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,747 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-31 16:11:34,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:11:34,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:11:34,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:11:34,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:11:34,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (1/1) ... [2024-01-31 16:11:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:11:34,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:11:34,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-31 16:11:34,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-31 16:11:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:11:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:11:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:11:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:11:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:11:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:11:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:11:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:11:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:11:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:11:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:11:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:11:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:11:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:11:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:11:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:11:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:11:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:11:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:11:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:11:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:11:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:11:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:11:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:11:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:11:34,820 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:11:34,921 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:11:34,923 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:11:35,205 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:11:35,206 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:11:35,352 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:11:35,352 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-31 16:11:35,353 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:11:35 BoogieIcfgContainer [2024-01-31 16:11:35,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:11:35,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:11:35,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:11:35,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:11:35,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:11:34" (1/4) ... [2024-01-31 16:11:35,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523b6260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:11:35, skipping insertion in model container [2024-01-31 16:11:35,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:11:34" (2/4) ... [2024-01-31 16:11:35,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523b6260 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:11:35, skipping insertion in model container [2024-01-31 16:11:35,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:11:34" (3/4) ... [2024-01-31 16:11:35,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@523b6260 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:11:35, skipping insertion in model container [2024-01-31 16:11:35,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:11:35" (4/4) ... [2024-01-31 16:11:35,359 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-01-31 16:11:35,372 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:11:35,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2024-01-31 16:11:35,372 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:11:35,464 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 16:11:35,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 109 transitions, 239 flow [2024-01-31 16:11:35,554 INFO L124 PetriNetUnfolderBase]: 6/106 cut-off events. [2024-01-31 16:11:35,555 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 16:11:35,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 6/106 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 330 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2024-01-31 16:11:35,559 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 109 transitions, 239 flow [2024-01-31 16:11:35,563 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 105 transitions, 228 flow [2024-01-31 16:11:35,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:11:35,580 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;@356a6766, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:11:35,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-01-31 16:11:35,582 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:11:35,582 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:11:35,582 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:11:35,582 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:35,583 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:11:35,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:11:35,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:35,587 INFO L85 PathProgramCache]: Analyzing trace with hash 15888, now seen corresponding path program 1 times [2024-01-31 16:11:35,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:35,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679922198] [2024-01-31 16:11:35,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:35,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:11:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:11:36,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:11:36,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679922198] [2024-01-31 16:11:36,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679922198] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:11:36,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:11:36,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:11:36,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876901546] [2024-01-31 16:11:36,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:11:36,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:11:36,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:11:36,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:11:36,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:11:36,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 109 [2024-01-31 16:11:36,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 105 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:36,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:11:36,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 109 [2024-01-31 16:11:36,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:11:36,903 INFO L124 PetriNetUnfolderBase]: 2686/4625 cut-off events. [2024-01-31 16:11:36,903 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2024-01-31 16:11:36,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8658 conditions, 4625 events. 2686/4625 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 35540 event pairs, 2272 based on Foata normal form. 414/3014 useless extension candidates. Maximal degree in co-relation 7712. Up to 3841 conditions per place. [2024-01-31 16:11:36,937 INFO L140 encePairwiseOnDemand]: 92/109 looper letters, 48 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-31 16:11:36,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 90 transitions, 298 flow [2024-01-31 16:11:36,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:11:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:11:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2024-01-31 16:11:36,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5932721712538226 [2024-01-31 16:11:36,950 INFO L175 Difference]: Start difference. First operand has 109 places, 105 transitions, 228 flow. Second operand 3 states and 194 transitions. [2024-01-31 16:11:36,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 90 transitions, 298 flow [2024-01-31 16:11:36,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 90 transitions, 286 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-31 16:11:36,959 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 190 flow [2024-01-31 16:11:36,960 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2024-01-31 16:11:36,963 INFO L281 CegarLoopForPetriNet]: 109 programPoint places, -16 predicate places. [2024-01-31 16:11:36,963 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 190 flow [2024-01-31 16:11:36,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:36,963 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:36,963 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:11:36,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:11:36,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:11:36,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:36,965 INFO L85 PathProgramCache]: Analyzing trace with hash 493091, now seen corresponding path program 1 times [2024-01-31 16:11:36,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:36,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542212682] [2024-01-31 16:11:36,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:11:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:11:37,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:11:37,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542212682] [2024-01-31 16:11:37,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542212682] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:11:37,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:11:37,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:11:37,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062736436] [2024-01-31 16:11:37,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:11:37,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:11:37,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:11:37,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:11:37,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:11:37,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 109 [2024-01-31 16:11:37,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:37,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:11:37,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 109 [2024-01-31 16:11:37,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:11:37,517 INFO L124 PetriNetUnfolderBase]: 2686/4624 cut-off events. [2024-01-31 16:11:37,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:11:37,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8526 conditions, 4624 events. 2686/4624 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 35656 event pairs, 2272 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 8517. Up to 3839 conditions per place. [2024-01-31 16:11:37,549 INFO L140 encePairwiseOnDemand]: 106/109 looper letters, 47 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-01-31 16:11:37,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 89 transitions, 286 flow [2024-01-31 16:11:37,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:11:37,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:11:37,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 182 transitions. [2024-01-31 16:11:37,555 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5565749235474006 [2024-01-31 16:11:37,555 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 190 flow. Second operand 3 states and 182 transitions. [2024-01-31 16:11:37,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 89 transitions, 286 flow [2024-01-31 16:11:37,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 89 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:11:37,558 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 188 flow [2024-01-31 16:11:37,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2024-01-31 16:11:37,558 INFO L281 CegarLoopForPetriNet]: 109 programPoint places, -17 predicate places. [2024-01-31 16:11:37,559 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 188 flow [2024-01-31 16:11:37,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:37,559 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:37,560 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:11:37,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:11:37,560 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:11:37,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:37,561 INFO L85 PathProgramCache]: Analyzing trace with hash 15286324, now seen corresponding path program 1 times [2024-01-31 16:11:37,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:37,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574492545] [2024-01-31 16:11:37,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:37,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:11:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:11:37,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:11:37,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574492545] [2024-01-31 16:11:37,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574492545] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:11:37,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:11:37,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:11:37,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923787956] [2024-01-31 16:11:37,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:11:37,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:11:37,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:11:37,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:11:37,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:11:37,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 109 [2024-01-31 16:11:37,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:37,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:11:37,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 109 [2024-01-31 16:11:37,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:11:38,022 INFO L124 PetriNetUnfolderBase]: 2686/4623 cut-off events. [2024-01-31 16:11:38,022 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:11:38,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8524 conditions, 4623 events. 2686/4623 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 35667 event pairs, 2272 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 8513. Up to 3837 conditions per place. [2024-01-31 16:11:38,044 INFO L140 encePairwiseOnDemand]: 106/109 looper letters, 46 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-01-31 16:11:38,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 88 transitions, 282 flow [2024-01-31 16:11:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:11:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:11:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2024-01-31 16:11:38,045 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5626911314984709 [2024-01-31 16:11:38,046 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 188 flow. Second operand 3 states and 184 transitions. [2024-01-31 16:11:38,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 88 transitions, 282 flow [2024-01-31 16:11:38,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 88 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:11:38,047 INFO L231 Difference]: Finished difference. Result has 91 places, 88 transitions, 186 flow [2024-01-31 16:11:38,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=91, PETRI_TRANSITIONS=88} [2024-01-31 16:11:38,048 INFO L281 CegarLoopForPetriNet]: 109 programPoint places, -18 predicate places. [2024-01-31 16:11:38,048 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 88 transitions, 186 flow [2024-01-31 16:11:38,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:38,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:38,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:11:38,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:11:38,049 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:11:38,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:38,050 INFO L85 PathProgramCache]: Analyzing trace with hash 473876604, now seen corresponding path program 1 times [2024-01-31 16:11:38,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:38,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230480472] [2024-01-31 16:11:38,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:38,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:11:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:11:38,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:11:38,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230480472] [2024-01-31 16:11:38,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230480472] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:11:38,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:11:38,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:11:38,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561781653] [2024-01-31 16:11:38,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:11:38,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:11:38,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:11:38,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:11:38,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:11:38,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 109 [2024-01-31 16:11:38,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 88 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:38,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:11:38,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 109 [2024-01-31 16:11:38,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:11:38,440 INFO L124 PetriNetUnfolderBase]: 2686/4622 cut-off events. [2024-01-31 16:11:38,440 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:11:38,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8522 conditions, 4622 events. 2686/4622 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 35703 event pairs, 2272 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 8509. Up to 3835 conditions per place. [2024-01-31 16:11:38,459 INFO L140 encePairwiseOnDemand]: 106/109 looper letters, 45 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2024-01-31 16:11:38,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 87 transitions, 278 flow [2024-01-31 16:11:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:11:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:11:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2024-01-31 16:11:38,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5688073394495413 [2024-01-31 16:11:38,460 INFO L175 Difference]: Start difference. First operand has 91 places, 88 transitions, 186 flow. Second operand 3 states and 186 transitions. [2024-01-31 16:11:38,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 87 transitions, 278 flow [2024-01-31 16:11:38,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 87 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:11:38,462 INFO L231 Difference]: Finished difference. Result has 90 places, 87 transitions, 184 flow [2024-01-31 16:11:38,462 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=90, PETRI_TRANSITIONS=87} [2024-01-31 16:11:38,463 INFO L281 CegarLoopForPetriNet]: 109 programPoint places, -19 predicate places. [2024-01-31 16:11:38,463 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 87 transitions, 184 flow [2024-01-31 16:11:38,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:38,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:38,463 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:11:38,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:11:38,464 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:11:38,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1805273312, now seen corresponding path program 1 times [2024-01-31 16:11:38,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:38,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803368732] [2024-01-31 16:11:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:38,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:11:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:11:38,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:11:38,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803368732] [2024-01-31 16:11:38,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803368732] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:11:38,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:11:38,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:11:38,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100684658] [2024-01-31 16:11:38,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:11:38,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:11:38,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:11:38,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:11:38,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:11:38,557 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 109 [2024-01-31 16:11:38,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 87 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:38,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:11:38,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 109 [2024-01-31 16:11:38,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:11:38,872 INFO L124 PetriNetUnfolderBase]: 2686/4621 cut-off events. [2024-01-31 16:11:38,872 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:11:38,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8520 conditions, 4621 events. 2686/4621 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 35613 event pairs, 2272 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 8505. Up to 3833 conditions per place. [2024-01-31 16:11:38,890 INFO L140 encePairwiseOnDemand]: 106/109 looper letters, 44 selfloop transitions, 2 changer transitions 0/86 dead transitions. [2024-01-31 16:11:38,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 86 transitions, 274 flow [2024-01-31 16:11:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:11:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:11:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 188 transitions. [2024-01-31 16:11:38,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5749235474006116 [2024-01-31 16:11:38,892 INFO L175 Difference]: Start difference. First operand has 90 places, 87 transitions, 184 flow. Second operand 3 states and 188 transitions. [2024-01-31 16:11:38,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 86 transitions, 274 flow [2024-01-31 16:11:38,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 86 transitions, 270 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:11:38,893 INFO L231 Difference]: Finished difference. Result has 89 places, 86 transitions, 182 flow [2024-01-31 16:11:38,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2024-01-31 16:11:38,894 INFO L281 CegarLoopForPetriNet]: 109 programPoint places, -20 predicate places. [2024-01-31 16:11:38,894 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 182 flow [2024-01-31 16:11:38,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:38,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:38,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:11:38,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-31 16:11:38,895 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:11:38,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:38,895 INFO L85 PathProgramCache]: Analyzing trace with hash 128898296, now seen corresponding path program 1 times [2024-01-31 16:11:38,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:38,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863067223] [2024-01-31 16:11:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:11:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:11:38,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:11:38,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863067223] [2024-01-31 16:11:38,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863067223] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:11:38,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:11:38,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:11:38,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729855271] [2024-01-31 16:11:38,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:11:38,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:11:38,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:11:38,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:11:38,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:11:38,941 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 109 [2024-01-31 16:11:38,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:38,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:11:38,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 109 [2024-01-31 16:11:38,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:11:39,247 INFO L124 PetriNetUnfolderBase]: 2686/4620 cut-off events. [2024-01-31 16:11:39,247 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:11:39,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8518 conditions, 4620 events. 2686/4620 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 35672 event pairs, 2272 based on Foata normal form. 0/2600 useless extension candidates. Maximal degree in co-relation 8501. Up to 3831 conditions per place. [2024-01-31 16:11:39,270 INFO L140 encePairwiseOnDemand]: 106/109 looper letters, 43 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2024-01-31 16:11:39,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 85 transitions, 270 flow [2024-01-31 16:11:39,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:11:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:11:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 190 transitions. [2024-01-31 16:11:39,272 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.581039755351682 [2024-01-31 16:11:39,272 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 182 flow. Second operand 3 states and 190 transitions. [2024-01-31 16:11:39,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 85 transitions, 270 flow [2024-01-31 16:11:39,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 85 transitions, 266 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:11:39,274 INFO L231 Difference]: Finished difference. Result has 88 places, 85 transitions, 180 flow [2024-01-31 16:11:39,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=88, PETRI_TRANSITIONS=85} [2024-01-31 16:11:39,274 INFO L281 CegarLoopForPetriNet]: 109 programPoint places, -21 predicate places. [2024-01-31 16:11:39,274 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 85 transitions, 180 flow [2024-01-31 16:11:39,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:11:39,275 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:11:39,275 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:11:39,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-31 16:11:39,275 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:11:39,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:11:39,276 INFO L85 PathProgramCache]: Analyzing trace with hash -299119553, now seen corresponding path program 1 times [2024-01-31 16:11:39,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:11:39,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199103466] [2024-01-31 16:11:39,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:11:39,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:11:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:11:39,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:11:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:11:39,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:11:39,303 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:11:39,304 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 86 remaining) [2024-01-31 16:11:39,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 86 remaining) [2024-01-31 16:11:39,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 86 remaining) [2024-01-31 16:11:39,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 86 remaining) [2024-01-31 16:11:39,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 86 remaining) [2024-01-31 16:11:39,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 86 remaining) [2024-01-31 16:11:39,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 86 remaining) [2024-01-31 16:11:39,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 86 remaining) [2024-01-31 16:11:39,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 86 remaining) [2024-01-31 16:11:39,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 86 remaining) [2024-01-31 16:11:39,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 86 remaining) [2024-01-31 16:11:39,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 86 remaining) [2024-01-31 16:11:39,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 86 remaining) [2024-01-31 16:11:39,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 86 remaining) [2024-01-31 16:11:39,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 86 remaining) [2024-01-31 16:11:39,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 86 remaining) [2024-01-31 16:11:39,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 86 remaining) [2024-01-31 16:11:39,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 86 remaining) [2024-01-31 16:11:39,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 86 remaining) [2024-01-31 16:11:39,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 86 remaining) [2024-01-31 16:11:39,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 86 remaining) [2024-01-31 16:11:39,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 86 remaining) [2024-01-31 16:11:39,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 86 remaining) [2024-01-31 16:11:39,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 86 remaining) [2024-01-31 16:11:39,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 86 remaining) [2024-01-31 16:11:39,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 86 remaining) [2024-01-31 16:11:39,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 86 remaining) [2024-01-31 16:11:39,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 86 remaining) [2024-01-31 16:11:39,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 86 remaining) [2024-01-31 16:11:39,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 86 remaining) [2024-01-31 16:11:39,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 86 remaining) [2024-01-31 16:11:39,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 86 remaining) [2024-01-31 16:11:39,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 86 remaining) [2024-01-31 16:11:39,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 86 remaining) [2024-01-31 16:11:39,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 86 remaining) [2024-01-31 16:11:39,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 86 remaining) [2024-01-31 16:11:39,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 86 remaining) [2024-01-31 16:11:39,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 86 remaining) [2024-01-31 16:11:39,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 86 remaining) [2024-01-31 16:11:39,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 86 remaining) [2024-01-31 16:11:39,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 86 remaining) [2024-01-31 16:11:39,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 86 remaining) [2024-01-31 16:11:39,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 86 remaining) [2024-01-31 16:11:39,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 86 remaining) [2024-01-31 16:11:39,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 86 remaining) [2024-01-31 16:11:39,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (40 of 86 remaining) [2024-01-31 16:11:39,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 86 remaining) [2024-01-31 16:11:39,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 86 remaining) [2024-01-31 16:11:39,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 86 remaining) [2024-01-31 16:11:39,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 86 remaining) [2024-01-31 16:11:39,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 86 remaining) [2024-01-31 16:11:39,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 86 remaining) [2024-01-31 16:11:39,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 86 remaining) [2024-01-31 16:11:39,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 86 remaining) [2024-01-31 16:11:39,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 86 remaining) [2024-01-31 16:11:39,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 86 remaining) [2024-01-31 16:11:39,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 86 remaining) [2024-01-31 16:11:39,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 86 remaining) [2024-01-31 16:11:39,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 86 remaining) [2024-01-31 16:11:39,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 86 remaining) [2024-01-31 16:11:39,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 86 remaining) [2024-01-31 16:11:39,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 86 remaining) [2024-01-31 16:11:39,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 86 remaining) [2024-01-31 16:11:39,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 86 remaining) [2024-01-31 16:11:39,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 86 remaining) [2024-01-31 16:11:39,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 86 remaining) [2024-01-31 16:11:39,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 86 remaining) [2024-01-31 16:11:39,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 86 remaining) [2024-01-31 16:11:39,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 86 remaining) [2024-01-31 16:11:39,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 86 remaining) [2024-01-31 16:11:39,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 86 remaining) [2024-01-31 16:11:39,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 86 remaining) [2024-01-31 16:11:39,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 86 remaining) [2024-01-31 16:11:39,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 86 remaining) [2024-01-31 16:11:39,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 86 remaining) [2024-01-31 16:11:39,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 86 remaining) [2024-01-31 16:11:39,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 86 remaining) [2024-01-31 16:11:39,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 86 remaining) [2024-01-31 16:11:39,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 86 remaining) [2024-01-31 16:11:39,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 86 remaining) [2024-01-31 16:11:39,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 86 remaining) [2024-01-31 16:11:39,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 86 remaining) [2024-01-31 16:11:39,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 86 remaining) [2024-01-31 16:11:39,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 86 remaining) [2024-01-31 16:11:39,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 86 remaining) [2024-01-31 16:11:39,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 86 remaining) [2024-01-31 16:11:39,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-31 16:11:39,318 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:11:39,323 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:11:39,324 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:11:39,338 INFO L503 ceAbstractionStarter]: Automizer considered 45 witness invariants [2024-01-31 16:11:39,339 INFO L504 ceAbstractionStarter]: WitnessConsidered=45 [2024-01-31 16:11:39,339 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:11:39 BasicIcfg [2024-01-31 16:11:39,339 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:11:39,340 INFO L158 Benchmark]: Toolchain (without parser) took 4923.54ms. Allocated memory was 134.2MB in the beginning and 851.4MB in the end (delta: 717.2MB). Free memory was 91.9MB in the beginning and 571.5MB in the end (delta: -479.6MB). Peak memory consumption was 235.9MB. Max. memory is 16.1GB. [2024-01-31 16:11:39,340 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:11:39,340 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:11:39,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.56ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 70.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-01-31 16:11:39,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.01ms. Allocated memory is still 134.2MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:11:39,341 INFO L158 Benchmark]: Boogie Preprocessor took 46.88ms. Allocated memory is still 134.2MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:11:39,341 INFO L158 Benchmark]: RCFGBuilder took 591.91ms. Allocated memory is still 134.2MB. Free memory was 66.0MB in the beginning and 52.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-01-31 16:11:39,341 INFO L158 Benchmark]: TraceAbstraction took 3985.14ms. Allocated memory was 134.2MB in the beginning and 851.4MB in the end (delta: 717.2MB). Free memory was 51.5MB in the beginning and 571.5MB in the end (delta: -520.0MB). Peak memory consumption was 196.5MB. Max. memory is 16.1GB. [2024-01-31 16:11:39,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.56ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 70.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.01ms. Allocated memory is still 134.2MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.88ms. Allocated memory is still 134.2MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.91ms. Allocated memory is still 134.2MB. Free memory was 66.0MB in the beginning and 52.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3985.14ms. Allocated memory was 134.2MB in the beginning and 851.4MB in the end (delta: 717.2MB). Free memory was 51.5MB in the beginning and 571.5MB in the end (delta: -520.0MB). Peak memory consumption was 196.5MB. 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: 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: 56]: 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: 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: 60]: 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: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: 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: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 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. - 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: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 179 locations, 86 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: 3.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 572 IncrementalHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 30 mSDtfsCounter, 572 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=228occurred in iteration=0, 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, 0.7s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 539 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! [2024-01-31 16:11:39,371 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