./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-3d25acf-m [2024-01-30 14:23:52,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:23:52,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:23:52,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:23:52,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:23:52,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:23:52,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:23:52,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:23:52,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:23:52,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:23:52,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:23:52,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:23:52,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:23:52,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:23:52,588 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:23:52,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:23:52,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:23:52,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:23:52,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:23:52,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:23:52,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:23:52,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:23:52,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:23:52,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:23:52,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:23:52,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:23:52,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:23:52,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:23:52,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:23:52,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:23:52,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:23:52,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:23:52,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:23:52,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:23:52,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:23:52,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:23:52,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:23:52,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:23:52,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:23:52,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:23:52,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:23:52,594 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:23:52,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:23:52,594 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:23:52,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:23:52,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:23:52,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:23:52,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:23:52,836 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:23:52,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-01-30 14:23:54,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:23:54,189 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:23:54,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-01-30 14:23:54,196 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492017f33/778892b43f9e4a11bcdf8b233d1050e4/FLAG885930ea4 [2024-01-30 14:23:54,206 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492017f33/778892b43f9e4a11bcdf8b233d1050e4 [2024-01-30 14:23:54,209 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:23:54,209 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:23:54,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml [2024-01-30 14:23:54,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:23:54,323 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:23:54,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:23:54,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:23:54,327 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:23:54,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:23:54" (1/2) ... [2024-01-30 14:23:54,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cab8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:23:54, skipping insertion in model container [2024-01-30 14:23:54,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:23:54" (1/2) ... [2024-01-30 14:23:54,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@736e81c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:23:54, skipping insertion in model container [2024-01-30 14:23:54,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:54" (2/2) ... [2024-01-30 14:23:54,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73cab8bb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54, skipping insertion in model container [2024-01-30 14:23:54,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:54" (2/2) ... [2024-01-30 14:23:54,332 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:23:54,363 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:23:54,364 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((((sFlag == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,364 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,364 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,364 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,364 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,364 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] ((((stopped == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,365 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,365 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,365 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,365 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (((((count <= 2147483646) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,365 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (((sFlag == (_Bool)0) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-01-30 14:23:54,365 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,365 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] ((((v_assert == (_Bool)0) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (val == (_Bool)0 || val == (_Bool)1) [2024-01-30 14:23:54,366 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,366 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,366 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,366 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,366 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,366 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] ((((sEvent == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,366 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,367 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,367 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (((v_assert == (_Bool)0) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1) [2024-01-30 14:23:54,367 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,367 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,368 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,368 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,368 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (((sEvent == (_Bool)0) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1) [2024-01-30 14:23:54,368 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,368 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L57] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,368 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,368 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,369 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,369 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] ((((sFlag == (_Bool)0) && ((unsigned long )_argptr == 0UL)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,369 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,369 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,369 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (((sFlag == (_Bool)0 || sFlag == (_Bool)1) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,370 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,370 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,371 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,371 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((((count <= 2147483646) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,371 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,371 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,371 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (((stopped == (_Bool)0) && (v_assert == (_Bool)0)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1) [2024-01-30 14:23:54,371 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,371 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (((((count == 0) && (pos == 0)) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-01-30 14:23:54,372 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,372 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] ((((sEvent == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,372 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (((((unsigned long )_argptr == 0UL) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,372 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] ((((pos == 0) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-01-30 14:23:54,372 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L79] (unsigned long )_argptr == 0UL [2024-01-30 14:23:54,372 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (((((count <= 2147483646) && ((unsigned long )_argptr == 0UL)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1)) && (sEvent == (_Bool)0 || sEvent == (_Bool)1)) && (stopped == (_Bool)0 || stopped == (_Bool)1)) && (v_assert == (_Bool)0 || v_assert == (_Bool)1) [2024-01-30 14:23:54,373 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((((pos == 0) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-01-30 14:23:54,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:23:54,508 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3160,3173] [2024-01-30 14:23:54,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:23:54,518 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:23:54,525 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-01-30 14:23:54,527 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:23:54,619 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3160,3173] [2024-01-30 14:23:54,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:23:54,630 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:23:54,631 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54 WrapperNode [2024-01-30 14:23:54,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:23:54,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:23:54,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:23:54,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:23:54,637 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 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,646 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 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,686 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 161 [2024-01-30 14:23:54,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:23:54,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:23:54,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:23:54,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:23:54,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,723 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-30 14:23:54,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:23:54,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:23:54,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:23:54,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:23:54,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (1/1) ... [2024-01-30 14:23:54,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:23:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:23:54,794 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) [2024-01-30 14:23:54,824 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 [2024-01-30 14:23:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:23:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-30 14:23:54,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-30 14:23:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-30 14:23:54,852 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-30 14:23:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:23:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:23:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:23:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:23:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:23:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:23:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:23:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:23:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:23:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:23:54,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:23:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:23:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:23:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:23:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:23:54,855 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:23:54,960 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:23:54,962 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:23:55,525 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:23:55,525 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:23:55,744 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:23:55,744 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-30 14:23:55,745 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:23:55 BoogieIcfgContainer [2024-01-30 14:23:55,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:23:55,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:23:55,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:23:55,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:23:55,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:23:54" (1/4) ... [2024-01-30 14:23:55,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6d85b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:23:55, skipping insertion in model container [2024-01-30 14:23:55,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:54" (2/4) ... [2024-01-30 14:23:55,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6d85b3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:23:55, skipping insertion in model container [2024-01-30 14:23:55,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:54" (3/4) ... [2024-01-30 14:23:55,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6d85b3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:23:55, skipping insertion in model container [2024-01-30 14:23:55,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:23:55" (4/4) ... [2024-01-30 14:23:55,753 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-01-30 14:23:55,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:23:55,767 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 51 error locations. [2024-01-30 14:23:55,767 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:23:55,827 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-30 14:23:55,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 108 transitions, 230 flow [2024-01-30 14:23:55,880 INFO L124 PetriNetUnfolderBase]: 2/106 cut-off events. [2024-01-30 14:23:55,881 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:23:55,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 106 events. 2/106 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 228 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2024-01-30 14:23:55,884 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 108 transitions, 230 flow [2024-01-30 14:23:55,887 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 105 transitions, 222 flow [2024-01-30 14:23:55,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:23:55,898 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;@22b3f510, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:23:55,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2024-01-30 14:23:55,900 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:23:55,900 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:23:55,901 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:55,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:55,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:23:55,902 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-01-30 14:23:55,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:55,906 INFO L85 PathProgramCache]: Analyzing trace with hash 17432, now seen corresponding path program 1 times [2024-01-30 14:23:55,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:55,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895429103] [2024-01-30 14:23:55,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:55,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:56,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:56,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895429103] [2024-01-30 14:23:56,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895429103] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:56,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:56,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:56,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724103312] [2024-01-30 14:23:56,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:56,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:56,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:56,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:56,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:56,505 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 108 [2024-01-30 14:23:56,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 105 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-01-30 14:23:56,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:56,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 108 [2024-01-30 14:23:56,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:56,902 INFO L124 PetriNetUnfolderBase]: 643/1371 cut-off events. [2024-01-30 14:23:56,903 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-01-30 14:23:56,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2531 conditions, 1371 events. 643/1371 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9789 event pairs, 569 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 2299. Up to 1113 conditions per place. [2024-01-30 14:23:56,911 INFO L140 encePairwiseOnDemand]: 97/108 looper letters, 59 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-30 14:23:56,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 326 flow [2024-01-30 14:23:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2024-01-30 14:23:56,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.558641975308642 [2024-01-30 14:23:56,922 INFO L175 Difference]: Start difference. First operand has 110 places, 105 transitions, 222 flow. Second operand 3 states and 181 transitions. [2024-01-30 14:23:56,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 326 flow [2024-01-30 14:23:56,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-30 14:23:56,927 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 200 flow [2024-01-30 14:23:56,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-01-30 14:23:56,931 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -11 predicate places. [2024-01-30 14:23:56,931 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 200 flow [2024-01-30 14:23:56,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-01-30 14:23:56,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:56,932 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-30 14:23:56,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:23:56,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-01-30 14:23:56,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:56,933 INFO L85 PathProgramCache]: Analyzing trace with hash 540984, now seen corresponding path program 1 times [2024-01-30 14:23:56,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:56,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920786970] [2024-01-30 14:23:56,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:56,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:56,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:56,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920786970] [2024-01-30 14:23:56,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920786970] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:56,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:56,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:23:56,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668157206] [2024-01-30 14:23:56,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:56,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-30 14:23:56,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:56,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-30 14:23:56,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-30 14:23:57,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 108 [2024-01-30 14:23:57,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 200 flow. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2024-01-30 14:23:57,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:57,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 108 [2024-01-30 14:23:57,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:57,228 INFO L124 PetriNetUnfolderBase]: 643/1370 cut-off events. [2024-01-30 14:23:57,229 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:23:57,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 1370 events. 643/1370 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9815 event pairs, 569 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 2490. Up to 1100 conditions per place. [2024-01-30 14:23:57,235 INFO L140 encePairwiseOnDemand]: 104/108 looper letters, 57 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2024-01-30 14:23:57,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 318 flow [2024-01-30 14:23:57,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-30 14:23:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-30 14:23:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2024-01-30 14:23:57,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4930555555555556 [2024-01-30 14:23:57,237 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 200 flow. Second operand 4 states and 213 transitions. [2024-01-30 14:23:57,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 318 flow [2024-01-30 14:23:57,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:57,239 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 200 flow [2024-01-30 14:23:57,240 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=200, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2024-01-30 14:23:57,240 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -11 predicate places. [2024-01-30 14:23:57,240 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 200 flow [2024-01-30 14:23:57,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 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) [2024-01-30 14:23:57,241 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:57,241 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-30 14:23:57,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:23:57,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-01-30 14:23:57,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:57,242 INFO L85 PathProgramCache]: Analyzing trace with hash 16771121, now seen corresponding path program 1 times [2024-01-30 14:23:57,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:57,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375691125] [2024-01-30 14:23:57,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:57,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:57,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:57,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375691125] [2024-01-30 14:23:57,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375691125] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:57,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:57,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:23:57,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476509711] [2024-01-30 14:23:57,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:57,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:57,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:57,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:57,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:57,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 108 [2024-01-30 14:23:57,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2024-01-30 14:23:57,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:57,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 108 [2024-01-30 14:23:57,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:57,490 INFO L124 PetriNetUnfolderBase]: 643/1369 cut-off events. [2024-01-30 14:23:57,491 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:23:57,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2498 conditions, 1369 events. 643/1369 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9793 event pairs, 569 based on Foata normal form. 0/739 useless extension candidates. Maximal degree in co-relation 2468. Up to 1109 conditions per place. [2024-01-30 14:23:57,497 INFO L140 encePairwiseOnDemand]: 105/108 looper letters, 57 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-01-30 14:23:57,497 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 316 flow [2024-01-30 14:23:57,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:57,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2024-01-30 14:23:57,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5462962962962963 [2024-01-30 14:23:57,498 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 200 flow. Second operand 3 states and 177 transitions. [2024-01-30 14:23:57,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 316 flow [2024-01-30 14:23:57,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 94 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:23:57,500 INFO L231 Difference]: Finished difference. Result has 98 places, 94 transitions, 197 flow [2024-01-30 14:23:57,500 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=108, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=98, PETRI_TRANSITIONS=94} [2024-01-30 14:23:57,501 INFO L281 CegarLoopForPetriNet]: 110 programPoint places, -12 predicate places. [2024-01-30 14:23:57,501 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 94 transitions, 197 flow [2024-01-30 14:23:57,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2024-01-30 14:23:57,501 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:57,502 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:23:57,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:23:57,502 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-01-30 14:23:57,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:57,502 INFO L85 PathProgramCache]: Analyzing trace with hash 519905329, now seen corresponding path program 1 times [2024-01-30 14:23:57,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497667668] [2024-01-30 14:23:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:23:57,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:23:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:23:57,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:23:57,526 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:23:57,527 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 90 remaining) [2024-01-30 14:23:57,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 90 remaining) [2024-01-30 14:23:57,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 90 remaining) [2024-01-30 14:23:57,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 90 remaining) [2024-01-30 14:23:57,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 90 remaining) [2024-01-30 14:23:57,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 90 remaining) [2024-01-30 14:23:57,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 90 remaining) [2024-01-30 14:23:57,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 90 remaining) [2024-01-30 14:23:57,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 90 remaining) [2024-01-30 14:23:57,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 90 remaining) [2024-01-30 14:23:57,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 90 remaining) [2024-01-30 14:23:57,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 90 remaining) [2024-01-30 14:23:57,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 90 remaining) [2024-01-30 14:23:57,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 90 remaining) [2024-01-30 14:23:57,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 90 remaining) [2024-01-30 14:23:57,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 90 remaining) [2024-01-30 14:23:57,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 90 remaining) [2024-01-30 14:23:57,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 90 remaining) [2024-01-30 14:23:57,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 90 remaining) [2024-01-30 14:23:57,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 90 remaining) [2024-01-30 14:23:57,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 90 remaining) [2024-01-30 14:23:57,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 90 remaining) [2024-01-30 14:23:57,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 90 remaining) [2024-01-30 14:23:57,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 90 remaining) [2024-01-30 14:23:57,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 90 remaining) [2024-01-30 14:23:57,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 90 remaining) [2024-01-30 14:23:57,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 90 remaining) [2024-01-30 14:23:57,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 90 remaining) [2024-01-30 14:23:57,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 90 remaining) [2024-01-30 14:23:57,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 90 remaining) [2024-01-30 14:23:57,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 90 remaining) [2024-01-30 14:23:57,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 90 remaining) [2024-01-30 14:23:57,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 90 remaining) [2024-01-30 14:23:57,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 90 remaining) [2024-01-30 14:23:57,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 90 remaining) [2024-01-30 14:23:57,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 90 remaining) [2024-01-30 14:23:57,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 90 remaining) [2024-01-30 14:23:57,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 90 remaining) [2024-01-30 14:23:57,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 90 remaining) [2024-01-30 14:23:57,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 90 remaining) [2024-01-30 14:23:57,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 90 remaining) [2024-01-30 14:23:57,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 90 remaining) [2024-01-30 14:23:57,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 90 remaining) [2024-01-30 14:23:57,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 90 remaining) [2024-01-30 14:23:57,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 90 remaining) [2024-01-30 14:23:57,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 90 remaining) [2024-01-30 14:23:57,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 90 remaining) [2024-01-30 14:23:57,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 90 remaining) [2024-01-30 14:23:57,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 90 remaining) [2024-01-30 14:23:57,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 90 remaining) [2024-01-30 14:23:57,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (39 of 90 remaining) [2024-01-30 14:23:57,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 90 remaining) [2024-01-30 14:23:57,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 90 remaining) [2024-01-30 14:23:57,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 90 remaining) [2024-01-30 14:23:57,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 90 remaining) [2024-01-30 14:23:57,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 90 remaining) [2024-01-30 14:23:57,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 90 remaining) [2024-01-30 14:23:57,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 90 remaining) [2024-01-30 14:23:57,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 90 remaining) [2024-01-30 14:23:57,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 90 remaining) [2024-01-30 14:23:57,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 90 remaining) [2024-01-30 14:23:57,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 90 remaining) [2024-01-30 14:23:57,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 90 remaining) [2024-01-30 14:23:57,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 90 remaining) [2024-01-30 14:23:57,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 90 remaining) [2024-01-30 14:23:57,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 90 remaining) [2024-01-30 14:23:57,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 90 remaining) [2024-01-30 14:23:57,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 90 remaining) [2024-01-30 14:23:57,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 90 remaining) [2024-01-30 14:23:57,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 90 remaining) [2024-01-30 14:23:57,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 90 remaining) [2024-01-30 14:23:57,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 90 remaining) [2024-01-30 14:23:57,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 90 remaining) [2024-01-30 14:23:57,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 90 remaining) [2024-01-30 14:23:57,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 90 remaining) [2024-01-30 14:23:57,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 90 remaining) [2024-01-30 14:23:57,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 90 remaining) [2024-01-30 14:23:57,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 90 remaining) [2024-01-30 14:23:57,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 90 remaining) [2024-01-30 14:23:57,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 90 remaining) [2024-01-30 14:23:57,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 90 remaining) [2024-01-30 14:23:57,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 90 remaining) [2024-01-30 14:23:57,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 90 remaining) [2024-01-30 14:23:57,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 90 remaining) [2024-01-30 14:23:57,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 90 remaining) [2024-01-30 14:23:57,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 90 remaining) [2024-01-30 14:23:57,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 90 remaining) [2024-01-30 14:23:57,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 90 remaining) [2024-01-30 14:23:57,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 90 remaining) [2024-01-30 14:23:57,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 90 remaining) [2024-01-30 14:23:57,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:23:57,541 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-30 14:23:57,546 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:23:57,546 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:23:57,558 INFO L503 ceAbstractionStarter]: Automizer considered 50 witness invariants [2024-01-30 14:23:57,558 INFO L504 ceAbstractionStarter]: WitnessConsidered=50 [2024-01-30 14:23:57,559 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:23:57 BasicIcfg [2024-01-30 14:23:57,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:23:57,559 INFO L158 Benchmark]: Toolchain (without parser) took 3236.76ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 106.3MB in the beginning and 70.6MB in the end (delta: 35.7MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-01-30 14:23:57,560 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory was 75.8MB in the beginning and 75.7MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:57,560 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 148.9MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:57,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.73ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 83.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-30 14:23:57,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.44ms. Allocated memory is still 148.9MB. Free memory was 83.9MB in the beginning and 81.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:23:57,560 INFO L158 Benchmark]: Boogie Preprocessor took 52.86ms. Allocated memory is still 148.9MB. Free memory was 81.1MB in the beginning and 77.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-30 14:23:57,561 INFO L158 Benchmark]: RCFGBuilder took 1005.58ms. Allocated memory is still 148.9MB. Free memory was 77.6MB in the beginning and 112.1MB in the end (delta: -34.6MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-01-30 14:23:57,561 INFO L158 Benchmark]: TraceAbstraction took 1810.84ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 112.1MB in the beginning and 70.6MB in the end (delta: 41.5MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2024-01-30 14:23:57,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory was 75.8MB in the beginning and 75.7MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 148.9MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.73ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 83.9MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.44ms. Allocated memory is still 148.9MB. Free memory was 83.9MB in the beginning and 81.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.86ms. Allocated memory is still 148.9MB. Free memory was 81.1MB in the beginning and 77.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1005.58ms. Allocated memory is still 148.9MB. Free memory was 77.6MB in the beginning and 112.1MB in the end (delta: -34.6MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1810.84ms. Allocated memory was 148.9MB in the beginning and 190.8MB in the end (delta: 41.9MB). Free memory was 112.1MB in the beginning and 70.6MB in the end (delta: 41.5MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 97]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int count, pos; [L39] _Bool sFlag, sEvent, stopped, v_assert; [L91] pthread_t t1, t2; VAL [count=0, pos=0, sEvent=0, sFlag=0, stopped=0, t1={5:0}, t2={3:0}, v_assert=0] [L94] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[count],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[pos],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L94] count = __VERIFIER_nondet_int() [L95] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[pos],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L95] pos = __VERIFIER_nondet_int() [L96] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L96] sFlag = __VERIFIER_nondet_bool() [L97] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[sEvent],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[stopped],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[v_assert],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sFlag],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [count=0, pos=0, sEvent=0, sFlag=2, stopped=0, t1={5:0}, t2={3:0}, v_assert=0] - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 68]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 98]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: 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: 106]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 115]: 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: 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: 109]: 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 5 procedures, 178 locations, 90 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: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 335 IncrementalHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 37 mSDtfsCounter, 335 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2024-01-30 14:23:57,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE