./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 fced0e87 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-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-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:08:53,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:08:53,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:08:53,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:08:53,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:08:53,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:08:53,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:08:53,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:08:53,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:08:53,480 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:08:53,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:08:53,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:08:53,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:08:53,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:08:53,481 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:08:53,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:08:53,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:08:53,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:08:53,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:08:53,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:08:53,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:08:53,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:08:53,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:08:53,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:08:53,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:08:53,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:08:53,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:08:53,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:08:53,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:08:53,485 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:08:53,485 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:08:53,485 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:08:53,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:53,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:08:53,486 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:08:53,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:08:53,486 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:08:53,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:08:53,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:08:53,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:08:53,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:08:53,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:08:53,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:08:53,488 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:08:53,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:08:53,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:08:53,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:08:53,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:08:53,754 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:08:53,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-01-31 16:08:54,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:08:55,076 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:08:55,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-01-31 16:08:55,084 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6676a859b/f8257ecf840f4d519a40c00c044a017d/FLAG75be7bfec [2024-01-31 16:08:55,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6676a859b/f8257ecf840f4d519a40c00c044a017d [2024-01-31 16:08:55,101 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:08:55,101 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:08:55,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml [2024-01-31 16:08:55,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:08:55,259 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:08:55,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:55,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:08:55,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:08:55,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:55" (1/2) ... [2024-01-31 16:08:55,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7e49ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:55, skipping insertion in model container [2024-01-31 16:08:55,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:55" (1/2) ... [2024-01-31 16:08:55,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10636b68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:55, skipping insertion in model container [2024-01-31 16:08:55,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:55" (2/2) ... [2024-01-31 16:08:55,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7e49ca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55, skipping insertion in model container [2024-01-31 16:08:55,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:55" (2/2) ... [2024-01-31 16:08:55,270 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:08:55,316 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:08:55,317 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,317 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,317 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) [2024-01-31 16:08:55,317 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) [2024-01-31 16:08:55,317 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,318 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,318 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,318 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,318 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) [2024-01-31 16:08:55,318 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,318 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,318 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,319 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (((sEvent == (_Bool)0) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1) [2024-01-31 16:08:55,319 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) [2024-01-31 16:08:55,319 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) [2024-01-31 16:08:55,319 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,319 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,319 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (((sFlag == (_Bool)0) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-01-31 16:08:55,319 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) [2024-01-31 16:08:55,320 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,320 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) [2024-01-31 16:08:55,320 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) [2024-01-31 16:08:55,320 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) [2024-01-31 16:08:55,321 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) [2024-01-31 16:08:55,321 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) [2024-01-31 16:08:55,321 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] ((((pos == 0) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-01-31 16:08:55,321 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) [2024-01-31 16:08:55,321 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) [2024-01-31 16:08:55,321 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) [2024-01-31 16:08:55,321 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,322 INFO L98 nessWitnessExtractor]: Location invariant after [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) [2024-01-31 16:08:55,322 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) [2024-01-31 16:08:55,322 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) [2024-01-31 16:08:55,322 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) [2024-01-31 16:08:55,322 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) [2024-01-31 16:08:55,323 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) [2024-01-31 16:08:55,323 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) [2024-01-31 16:08:55,323 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) [2024-01-31 16:08:55,325 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) [2024-01-31 16:08:55,325 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,325 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) [2024-01-31 16:08:55,325 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) [2024-01-31 16:08:55,325 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) [2024-01-31 16:08:55,326 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) [2024-01-31 16:08:55,326 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) [2024-01-31 16:08:55,326 INFO L98 nessWitnessExtractor]: Location invariant after [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) [2024-01-31 16:08:55,326 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) [2024-01-31 16:08:55,326 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) [2024-01-31 16:08:55,327 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) [2024-01-31 16:08:55,327 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) [2024-01-31 16:08:55,327 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) [2024-01-31 16:08:55,327 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-31 16:08:55,345 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:08:55,477 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] [2024-01-31 16:08:55,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:55,488 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:08:55,533 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-01-31 16:08:55,534 WARN L424 MainDispatcher]: Unable to annotate cond = count == 0 with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:08:55,580 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-01-31 16:08:55,580 WARN L424 MainDispatcher]: Unable to annotate cond = count == 0 with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:08:55,632 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] [2024-01-31 16:08:55,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:55,650 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:08:55,651 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55 WrapperNode [2024-01-31 16:08:55,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:55,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:55,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:08:55,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:08:55,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,701 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 160 [2024-01-31 16:08:55,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:55,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:08:55,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:08:55,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:08:55,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,737 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]. [2024-01-31 16:08:55,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:08:55,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:08:55,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:08:55,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:08:55,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (1/1) ... [2024-01-31 16:08:55,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:55,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:08:55,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-31 16:08:55,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-31 16:08:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:08:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:08:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:08:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:08:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:08:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:08:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:08:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:08:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:08:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:08:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:08:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:08:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:08:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:08:55,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:08:55,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:08:55,895 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:08:55,989 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:08:55,991 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:08:56,420 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:08:56,420 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:08:56,590 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:08:56,590 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:08:56,591 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:56 BoogieIcfgContainer [2024-01-31 16:08:56,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:08:56,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:08:56,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:08:56,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:08:56,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:08:55" (1/4) ... [2024-01-31 16:08:56,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2ba596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:56, skipping insertion in model container [2024-01-31 16:08:56,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:55" (2/4) ... [2024-01-31 16:08:56,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2ba596 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:56, skipping insertion in model container [2024-01-31 16:08:56,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:55" (3/4) ... [2024-01-31 16:08:56,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2ba596 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:56, skipping insertion in model container [2024-01-31 16:08:56,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:56" (4/4) ... [2024-01-31 16:08:56,598 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-01-31 16:08:56,613 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:08:56,613 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2024-01-31 16:08:56,613 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:08:56,678 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-31 16:08:56,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 106 transitions, 226 flow [2024-01-31 16:08:56,761 INFO L124 PetriNetUnfolderBase]: 2/104 cut-off events. [2024-01-31 16:08:56,761 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-31 16:08:56,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 104 events. 2/104 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 209 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2024-01-31 16:08:56,765 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 106 transitions, 226 flow [2024-01-31 16:08:56,768 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 103 transitions, 218 flow [2024-01-31 16:08:56,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:08:56,780 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;@6003816, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:08:56,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-01-31 16:08:56,782 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:08:56,782 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:08:56,782 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:56,782 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:56,783 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:08:56,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:08:56,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:56,787 INFO L85 PathProgramCache]: Analyzing trace with hash 17016, now seen corresponding path program 1 times [2024-01-31 16:08:56,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:56,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438193325] [2024-01-31 16:08:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:57,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:57,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438193325] [2024-01-31 16:08:57,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438193325] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:57,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:57,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:57,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498048690] [2024-01-31 16:08:57,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:57,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:57,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:57,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:57,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:57,316 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 106 [2024-01-31 16:08:57,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 103 transitions, 218 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) [2024-01-31 16:08:57,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:57,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 106 [2024-01-31 16:08:57,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:57,572 INFO L124 PetriNetUnfolderBase]: 643/1371 cut-off events. [2024-01-31 16:08:57,573 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-01-31 16:08:57,576 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 98. Compared 9843 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. [2024-01-31 16:08:57,583 INFO L140 encePairwiseOnDemand]: 97/106 looper letters, 59 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-31 16:08:57,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 326 flow [2024-01-31 16:08:57,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2024-01-31 16:08:57,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5628930817610063 [2024-01-31 16:08:57,601 INFO L175 Difference]: Start difference. First operand has 108 places, 103 transitions, 218 flow. Second operand 3 states and 179 transitions. [2024-01-31 16:08:57,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 326 flow [2024-01-31 16:08:57,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-31 16:08:57,614 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 200 flow [2024-01-31 16:08:57,616 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, 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} [2024-01-31 16:08:57,619 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -9 predicate places. [2024-01-31 16:08:57,619 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 200 flow [2024-01-31 16:08:57,619 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) [2024-01-31 16:08:57,619 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:57,619 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:08:57,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:08:57,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:08:57,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:57,621 INFO L85 PathProgramCache]: Analyzing trace with hash 528074, now seen corresponding path program 1 times [2024-01-31 16:08:57,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:57,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936033178] [2024-01-31 16:08:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:57,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:57,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:57,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936033178] [2024-01-31 16:08:57,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936033178] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:57,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:57,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:57,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143956735] [2024-01-31 16:08:57,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:57,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:57,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:57,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:57,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:57,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 106 [2024-01-31 16:08:57,777 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) [2024-01-31 16:08:57,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:57,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 106 [2024-01-31 16:08:57,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:58,088 INFO L124 PetriNetUnfolderBase]: 643/1370 cut-off events. [2024-01-31 16:08:58,089 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-31 16:08:58,092 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 98. Compared 9851 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. [2024-01-31 16:08:58,099 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 57 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2024-01-31 16:08:58,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 318 flow [2024-01-31 16:08:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:08:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:08:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2024-01-31 16:08:58,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023584905660378 [2024-01-31 16:08:58,104 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 200 flow. Second operand 4 states and 213 transitions. [2024-01-31 16:08:58,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 318 flow [2024-01-31 16:08:58,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:58,107 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 200 flow [2024-01-31 16:08:58,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, 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} [2024-01-31 16:08:58,108 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -9 predicate places. [2024-01-31 16:08:58,108 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 200 flow [2024-01-31 16:08:58,108 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) [2024-01-31 16:08:58,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:58,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:08:58,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:08:58,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:08:58,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash 16370896, now seen corresponding path program 1 times [2024-01-31 16:08:58,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:58,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408222922] [2024-01-31 16:08:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:58,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:58,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:58,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408222922] [2024-01-31 16:08:58,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408222922] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:58,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:58,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:58,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715807861] [2024-01-31 16:08:58,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:58,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:58,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:58,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:58,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:58,212 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 106 [2024-01-31 16:08:58,212 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) [2024-01-31 16:08:58,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:58,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 106 [2024-01-31 16:08:58,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:58,446 INFO L124 PetriNetUnfolderBase]: 643/1369 cut-off events. [2024-01-31 16:08:58,446 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-31 16:08:58,447 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 94. 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. [2024-01-31 16:08:58,451 INFO L140 encePairwiseOnDemand]: 103/106 looper letters, 57 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-01-31 16:08:58,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 316 flow [2024-01-31 16:08:58,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2024-01-31 16:08:58,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5566037735849056 [2024-01-31 16:08:58,453 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 200 flow. Second operand 3 states and 177 transitions. [2024-01-31 16:08:58,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 316 flow [2024-01-31 16:08:58,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 94 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:58,457 INFO L231 Difference]: Finished difference. Result has 98 places, 94 transitions, 197 flow [2024-01-31 16:08:58,457 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=106, 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} [2024-01-31 16:08:58,458 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -10 predicate places. [2024-01-31 16:08:58,458 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 94 transitions, 197 flow [2024-01-31 16:08:58,459 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) [2024-01-31 16:08:58,459 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:58,459 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:08:58,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:08:58,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-01-31 16:08:58,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:58,460 INFO L85 PathProgramCache]: Analyzing trace with hash 507498340, now seen corresponding path program 1 times [2024-01-31 16:08:58,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:58,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521359095] [2024-01-31 16:08:58,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:58,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:58,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:08:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:58,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:08:58,507 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:08:58,510 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 86 remaining) [2024-01-31 16:08:58,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 86 remaining) [2024-01-31 16:08:58,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 86 remaining) [2024-01-31 16:08:58,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 86 remaining) [2024-01-31 16:08:58,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 86 remaining) [2024-01-31 16:08:58,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 86 remaining) [2024-01-31 16:08:58,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 86 remaining) [2024-01-31 16:08:58,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 86 remaining) [2024-01-31 16:08:58,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 86 remaining) [2024-01-31 16:08:58,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 86 remaining) [2024-01-31 16:08:58,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 86 remaining) [2024-01-31 16:08:58,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 86 remaining) [2024-01-31 16:08:58,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 86 remaining) [2024-01-31 16:08:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 86 remaining) [2024-01-31 16:08:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 86 remaining) [2024-01-31 16:08:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 86 remaining) [2024-01-31 16:08:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 86 remaining) [2024-01-31 16:08:58,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 86 remaining) [2024-01-31 16:08:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 86 remaining) [2024-01-31 16:08:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 86 remaining) [2024-01-31 16:08:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 86 remaining) [2024-01-31 16:08:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 86 remaining) [2024-01-31 16:08:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 86 remaining) [2024-01-31 16:08:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 86 remaining) [2024-01-31 16:08:58,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 86 remaining) [2024-01-31 16:08:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 86 remaining) [2024-01-31 16:08:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 86 remaining) [2024-01-31 16:08:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 86 remaining) [2024-01-31 16:08:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 86 remaining) [2024-01-31 16:08:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 86 remaining) [2024-01-31 16:08:58,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 86 remaining) [2024-01-31 16:08:58,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 86 remaining) [2024-01-31 16:08:58,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 86 remaining) [2024-01-31 16:08:58,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 86 remaining) [2024-01-31 16:08:58,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 86 remaining) [2024-01-31 16:08:58,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 86 remaining) [2024-01-31 16:08:58,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 86 remaining) [2024-01-31 16:08:58,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 86 remaining) [2024-01-31 16:08:58,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 86 remaining) [2024-01-31 16:08:58,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 86 remaining) [2024-01-31 16:08:58,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 86 remaining) [2024-01-31 16:08:58,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 86 remaining) [2024-01-31 16:08:58,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 86 remaining) [2024-01-31 16:08:58,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 86 remaining) [2024-01-31 16:08:58,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 86 remaining) [2024-01-31 16:08:58,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 86 remaining) [2024-01-31 16:08:58,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 86 remaining) [2024-01-31 16:08:58,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 86 remaining) [2024-01-31 16:08:58,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (37 of 86 remaining) [2024-01-31 16:08:58,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 86 remaining) [2024-01-31 16:08:58,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 86 remaining) [2024-01-31 16:08:58,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 86 remaining) [2024-01-31 16:08:58,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 86 remaining) [2024-01-31 16:08:58,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 86 remaining) [2024-01-31 16:08:58,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 86 remaining) [2024-01-31 16:08:58,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 86 remaining) [2024-01-31 16:08:58,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 86 remaining) [2024-01-31 16:08:58,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 86 remaining) [2024-01-31 16:08:58,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 86 remaining) [2024-01-31 16:08:58,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 86 remaining) [2024-01-31 16:08:58,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 86 remaining) [2024-01-31 16:08:58,529 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 86 remaining) [2024-01-31 16:08:58,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 86 remaining) [2024-01-31 16:08:58,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 86 remaining) [2024-01-31 16:08:58,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 86 remaining) [2024-01-31 16:08:58,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 86 remaining) [2024-01-31 16:08:58,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 86 remaining) [2024-01-31 16:08:58,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 86 remaining) [2024-01-31 16:08:58,530 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 86 remaining) [2024-01-31 16:08:58,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 86 remaining) [2024-01-31 16:08:58,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 86 remaining) [2024-01-31 16:08:58,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 86 remaining) [2024-01-31 16:08:58,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 86 remaining) [2024-01-31 16:08:58,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 86 remaining) [2024-01-31 16:08:58,531 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 86 remaining) [2024-01-31 16:08:58,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 86 remaining) [2024-01-31 16:08:58,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 86 remaining) [2024-01-31 16:08:58,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 86 remaining) [2024-01-31 16:08:58,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 86 remaining) [2024-01-31 16:08:58,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 86 remaining) [2024-01-31 16:08:58,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 86 remaining) [2024-01-31 16:08:58,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 86 remaining) [2024-01-31 16:08:58,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 86 remaining) [2024-01-31 16:08:58,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 86 remaining) [2024-01-31 16:08:58,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 86 remaining) [2024-01-31 16:08:58,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 86 remaining) [2024-01-31 16:08:58,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:08:58,533 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-01-31 16:08:58,540 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:08:58,540 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:08:58,555 INFO L503 ceAbstractionStarter]: Automizer considered 48 witness invariants [2024-01-31 16:08:58,555 INFO L504 ceAbstractionStarter]: WitnessConsidered=48 [2024-01-31 16:08:58,557 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:08:58 BasicIcfg [2024-01-31 16:08:58,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:08:58,560 INFO L158 Benchmark]: Toolchain (without parser) took 3298.47ms. Allocated memory was 165.7MB in the beginning and 356.5MB in the end (delta: 190.8MB). Free memory was 82.9MB in the beginning and 291.2MB in the end (delta: -208.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:58,560 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:58,560 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:58,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.97ms. Allocated memory was 165.7MB in the beginning and 268.4MB in the end (delta: 102.8MB). Free memory was 82.6MB in the beginning and 230.9MB in the end (delta: -148.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-01-31 16:08:58,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.11ms. Allocated memory is still 268.4MB. Free memory was 230.9MB in the beginning and 233.8MB in the end (delta: -2.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-01-31 16:08:58,562 INFO L158 Benchmark]: Boogie Preprocessor took 60.07ms. Allocated memory is still 268.4MB. Free memory was 233.8MB in the beginning and 230.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-31 16:08:58,562 INFO L158 Benchmark]: RCFGBuilder took 825.13ms. Allocated memory is still 268.4MB. Free memory was 230.7MB in the beginning and 134.2MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-01-31 16:08:58,562 INFO L158 Benchmark]: TraceAbstraction took 1964.78ms. Allocated memory was 268.4MB in the beginning and 356.5MB in the end (delta: 88.1MB). Free memory was 134.2MB in the beginning and 291.2MB in the end (delta: -157.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:58,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.97ms. Allocated memory was 165.7MB in the beginning and 268.4MB in the end (delta: 102.8MB). Free memory was 82.6MB in the beginning and 230.9MB in the end (delta: -148.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.11ms. Allocated memory is still 268.4MB. Free memory was 230.9MB in the beginning and 233.8MB in the end (delta: -2.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.07ms. Allocated memory is still 268.4MB. Free memory was 233.8MB in the beginning and 230.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 825.13ms. Allocated memory is still 268.4MB. Free memory was 230.7MB in the beginning and 134.2MB in the end (delta: 96.5MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1964.78ms. Allocated memory was 268.4MB in the beginning and 356.5MB in the end (delta: 88.1MB). Free memory was 134.2MB in the beginning and 291.2MB in the end (delta: -157.0MB). There was no memory consumed. 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: 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: 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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 174 locations, 86 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 334 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 33 mSDtfsCounter, 334 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=218occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 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! [2024-01-31 16:08:58,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE