./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.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-d8006e4-m [2024-02-05 10:33:09,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:33:09,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:33:09,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:33:09,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:33:09,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:33:09,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:33:09,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:33:09,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:33:09,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:33:09,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:33:09,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:33:09,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:33:09,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:33:09,647 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:33:09,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:33:09,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:33:09,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:33:09,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:33:09,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:33:09,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:33:09,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:33:09,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:33:09,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:33:09,650 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:33:09,650 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:33:09,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:33:09,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:33:09,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:33:09,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:33:09,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:33:09,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:33:09,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:33:09,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:33:09,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:33:09,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:33:09,653 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:33:09,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:33:09,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:33:09,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:33:09,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:33:09,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:33:09,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:33:09,673 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:33:09,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:33:09,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:33:09,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:33:09,962 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:33:09,962 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:33:09,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/parallel-bluetooth.wvr.yml/witness.yml [2024-02-05 10:33:10,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:33:10,163 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:33:10,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-02-05 10:33:11,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:33:11,635 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:33:11,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2024-02-05 10:33:11,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7713e61ee/ced799e15cd44cddb8c18d5fa447da4e/FLAGc73440aa2 [2024-02-05 10:33:11,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7713e61ee/ced799e15cd44cddb8c18d5fa447da4e [2024-02-05 10:33:11,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:33:11,664 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:33:11,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:33:11,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:33:11,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:33:11,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:33:10" (1/2) ... [2024-02-05 10:33:11,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5181199e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:33:11, skipping insertion in model container [2024-02-05 10:33:11,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:33:10" (1/2) ... [2024-02-05 10:33:11,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@747140af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:33:11, skipping insertion in model container [2024-02-05 10:33:11,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:33:11" (2/2) ... [2024-02-05 10:33:11,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5181199e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:11, skipping insertion in model container [2024-02-05 10:33:11,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:33:11" (2/2) ... [2024-02-05 10:33:11,677 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:33:11,745 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:33:11,746 INFO L101 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) [2024-02-05 10:33:11,747 INFO L101 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) [2024-02-05 10:33:11,747 INFO L101 nessWitnessExtractor]: Location invariant before [L95-L95] ((((pos == 0) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-02-05 10:33:11,747 INFO L101 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) [2024-02-05 10:33:11,747 INFO L101 nessWitnessExtractor]: Location invariant before [L59-L59] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,747 INFO L101 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) [2024-02-05 10:33:11,747 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,748 INFO L101 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) [2024-02-05 10:33:11,748 INFO L101 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,748 INFO L101 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) [2024-02-05 10:33:11,748 INFO L101 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) [2024-02-05 10:33:11,748 INFO L101 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) [2024-02-05 10:33:11,748 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,749 INFO L101 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) [2024-02-05 10:33:11,749 INFO L101 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) [2024-02-05 10:33:11,749 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,749 INFO L101 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) [2024-02-05 10:33:11,749 INFO L101 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) [2024-02-05 10:33:11,750 INFO L101 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) [2024-02-05 10:33:11,750 INFO L101 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,750 INFO L101 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) [2024-02-05 10:33:11,751 INFO L101 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) [2024-02-05 10:33:11,751 INFO L101 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) [2024-02-05 10:33:11,751 INFO L101 nessWitnessExtractor]: Location invariant before [L97-L97] (((sEvent == (_Bool)0) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0)) && (sFlag == (_Bool)0 || sFlag == (_Bool)1) [2024-02-05 10:33:11,751 INFO L101 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) [2024-02-05 10:33:11,751 INFO L101 nessWitnessExtractor]: Location invariant before [L96-L96] (((sFlag == (_Bool)0) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-02-05 10:33:11,751 INFO L101 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) [2024-02-05 10:33:11,752 INFO L101 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) [2024-02-05 10:33:11,758 INFO L101 nessWitnessExtractor]: Location invariant before [L94-L94] (((((count == 0) && (pos == 0)) && (sFlag == (_Bool)0)) && (sEvent == (_Bool)0)) && (stopped == (_Bool)0)) && (v_assert == (_Bool)0) [2024-02-05 10:33:11,759 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,759 INFO L101 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) [2024-02-05 10:33:11,759 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,759 INFO L101 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) [2024-02-05 10:33:11,759 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,759 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,760 INFO L101 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) [2024-02-05 10:33:11,760 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,760 INFO L101 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) [2024-02-05 10:33:11,762 INFO L101 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) [2024-02-05 10:33:11,762 INFO L101 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,762 INFO L101 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) [2024-02-05 10:33:11,762 INFO L101 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) [2024-02-05 10:33:11,762 INFO L101 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) [2024-02-05 10:33:11,762 INFO L101 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) [2024-02-05 10:33:11,763 INFO L101 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) [2024-02-05 10:33:11,763 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,763 INFO L101 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) [2024-02-05 10:33:11,763 INFO L101 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) [2024-02-05 10:33:11,763 INFO L101 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) [2024-02-05 10:33:11,764 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,764 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-02-05 10:33:11,764 INFO L101 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) [2024-02-05 10:33:11,785 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:33:11,974 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] [2024-02-05 10:33:11,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:33:11,993 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 [2024-02-05 10:33:12,062 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-02-05 10:33:12,062 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 [2024-02-05 10:33:12,110 WARN L424 MainDispatcher]: Unable to annotate _Bool with a witness entry [2024-02-05 10:33:12,110 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 [2024-02-05 10:33:12,156 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] [2024-02-05 10:33:12,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:33:12,170 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:33:12,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12 WrapperNode [2024-02-05 10:33:12,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:33:12,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:33:12,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:33:12,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:33:12,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,245 INFO L138 Inliner]: procedures = 21, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 160 [2024-02-05 10:33:12,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:33:12,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:33:12,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:33:12,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:33:12,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,296 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]. [2024-02-05 10:33:12,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:33:12,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:33:12,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:33:12,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:33:12,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (1/1) ... [2024-02-05 10:33:12,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:33:12,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:33:12,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-05 10:33:12,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-05 10:33:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:33:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:33:12,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:33:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:33:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:33:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:33:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:33:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:33:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:33:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:33:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:33:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:33:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-05 10:33:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-05 10:33:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:33:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:33:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:33:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:33:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:33:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:33:12,405 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:33:12,508 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:33:12,510 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:33:13,081 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:33:13,081 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:33:13,304 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:33:13,304 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:33:13,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:33:13 BoogieIcfgContainer [2024-02-05 10:33:13,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:33:13,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:33:13,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:33:13,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:33:13,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:33:10" (1/4) ... [2024-02-05 10:33:13,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e106f00 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:33:13, skipping insertion in model container [2024-02-05 10:33:13,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:33:11" (2/4) ... [2024-02-05 10:33:13,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e106f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:33:13, skipping insertion in model container [2024-02-05 10:33:13,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:33:12" (3/4) ... [2024-02-05 10:33:13,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e106f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:33:13, skipping insertion in model container [2024-02-05 10:33:13,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:33:13" (4/4) ... [2024-02-05 10:33:13,315 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2024-02-05 10:33:13,332 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:33:13,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 49 error locations. [2024-02-05 10:33:13,333 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:33:13,442 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-05 10:33:13,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 106 transitions, 226 flow [2024-02-05 10:33:13,547 INFO L124 PetriNetUnfolderBase]: 2/104 cut-off events. [2024-02-05 10:33:13,547 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:13,553 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. [2024-02-05 10:33:13,553 INFO L82 GeneralOperation]: Start removeDead. Operand has 111 places, 106 transitions, 226 flow [2024-02-05 10:33:13,558 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 108 places, 103 transitions, 218 flow [2024-02-05 10:33:13,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:33:13,574 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;@655f19d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:33:13,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2024-02-05 10:33:13,577 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:33:13,578 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:33:13,578 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:33:13,578 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:13,579 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:33:13,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-05 10:33:13,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 17016, now seen corresponding path program 1 times [2024-02-05 10:33:13,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:13,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668146575] [2024-02-05 10:33:13,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:13,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:14,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:14,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668146575] [2024-02-05 10:33:14,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668146575] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:14,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:14,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:33:14,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789418805] [2024-02-05 10:33:14,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:14,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:33:14,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:33:14,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:33:14,174 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 106 [2024-02-05 10:33:14,178 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) [2024-02-05 10:33:14,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:14,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 106 [2024-02-05 10:33:14,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:14,609 INFO L124 PetriNetUnfolderBase]: 643/1371 cut-off events. [2024-02-05 10:33:14,610 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-02-05 10:33:14,616 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. [2024-02-05 10:33:14,629 INFO L140 encePairwiseOnDemand]: 97/106 looper letters, 59 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-02-05 10:33:14,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 96 transitions, 326 flow [2024-02-05 10:33:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:33:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:33:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2024-02-05 10:33:14,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5628930817610063 [2024-02-05 10:33:14,647 INFO L175 Difference]: Start difference. First operand has 108 places, 103 transitions, 218 flow. Second operand 3 states and 179 transitions. [2024-02-05 10:33:14,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 96 transitions, 326 flow [2024-02-05 10:33:14,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-05 10:33:14,654 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 200 flow [2024-02-05 10:33:14,656 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} [2024-02-05 10:33:14,659 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -9 predicate places. [2024-02-05 10:33:14,660 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 200 flow [2024-02-05 10:33:14,660 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) [2024-02-05 10:33:14,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:14,660 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:33:14,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:33:14,661 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-05 10:33:14,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:14,661 INFO L85 PathProgramCache]: Analyzing trace with hash 528074, now seen corresponding path program 1 times [2024-02-05 10:33:14,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:14,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850108879] [2024-02-05 10:33:14,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:14,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:14,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850108879] [2024-02-05 10:33:14,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850108879] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:14,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:14,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:33:14,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913673829] [2024-02-05 10:33:14,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:14,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-05 10:33:14,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:14,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-05 10:33:14,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-05 10:33:14,777 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 106 [2024-02-05 10:33:14,777 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) [2024-02-05 10:33:14,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:14,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 106 [2024-02-05 10:33:14,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:15,085 INFO L124 PetriNetUnfolderBase]: 643/1370 cut-off events. [2024-02-05 10:33:15,086 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:15,088 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. [2024-02-05 10:33:15,095 INFO L140 encePairwiseOnDemand]: 102/106 looper letters, 57 selfloop transitions, 3 changer transitions 0/95 dead transitions. [2024-02-05 10:33:15,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 95 transitions, 318 flow [2024-02-05 10:33:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-05 10:33:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-05 10:33:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2024-02-05 10:33:15,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023584905660378 [2024-02-05 10:33:15,098 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 200 flow. Second operand 4 states and 213 transitions. [2024-02-05 10:33:15,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 95 transitions, 318 flow [2024-02-05 10:33:15,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:33:15,101 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 200 flow [2024-02-05 10:33:15,101 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} [2024-02-05 10:33:15,102 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -9 predicate places. [2024-02-05 10:33:15,102 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 200 flow [2024-02-05 10:33:15,102 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) [2024-02-05 10:33:15,102 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:15,103 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-05 10:33:15,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:33:15,103 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-05 10:33:15,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:15,104 INFO L85 PathProgramCache]: Analyzing trace with hash 16370896, now seen corresponding path program 1 times [2024-02-05 10:33:15,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:15,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631541110] [2024-02-05 10:33:15,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:15,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:33:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:33:15,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:33:15,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631541110] [2024-02-05 10:33:15,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631541110] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:33:15,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:33:15,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-05 10:33:15,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509010556] [2024-02-05 10:33:15,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:33:15,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:33:15,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:33:15,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:33:15,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:33:15,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 106 [2024-02-05 10:33:15,210 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) [2024-02-05 10:33:15,210 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:33:15,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 106 [2024-02-05 10:33:15,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:33:15,476 INFO L124 PetriNetUnfolderBase]: 643/1369 cut-off events. [2024-02-05 10:33:15,477 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:33:15,479 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. [2024-02-05 10:33:15,487 INFO L140 encePairwiseOnDemand]: 103/106 looper letters, 57 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2024-02-05 10:33:15,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 94 transitions, 316 flow [2024-02-05 10:33:15,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:33:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:33:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2024-02-05 10:33:15,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5566037735849056 [2024-02-05 10:33:15,489 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 200 flow. Second operand 3 states and 177 transitions. [2024-02-05 10:33:15,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 94 transitions, 316 flow [2024-02-05 10:33:15,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 94 transitions, 311 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:33:15,492 INFO L231 Difference]: Finished difference. Result has 98 places, 94 transitions, 197 flow [2024-02-05 10:33:15,496 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} [2024-02-05 10:33:15,497 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -10 predicate places. [2024-02-05 10:33:15,498 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 94 transitions, 197 flow [2024-02-05 10:33:15,498 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) [2024-02-05 10:33:15,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:33:15,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:33:15,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:33:15,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 83 more)] === [2024-02-05 10:33:15,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:33:15,499 INFO L85 PathProgramCache]: Analyzing trace with hash 507498340, now seen corresponding path program 1 times [2024-02-05 10:33:15,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:33:15,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162005144] [2024-02-05 10:33:15,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:33:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:33:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:33:15,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:33:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:33:15,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:33:15,532 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:33:15,533 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 86 remaining) [2024-02-05 10:33:15,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 86 remaining) [2024-02-05 10:33:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 86 remaining) [2024-02-05 10:33:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 86 remaining) [2024-02-05 10:33:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 86 remaining) [2024-02-05 10:33:15,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 86 remaining) [2024-02-05 10:33:15,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 86 remaining) [2024-02-05 10:33:15,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 86 remaining) [2024-02-05 10:33:15,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 86 remaining) [2024-02-05 10:33:15,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 86 remaining) [2024-02-05 10:33:15,536 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 86 remaining) [2024-02-05 10:33:15,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 86 remaining) [2024-02-05 10:33:15,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 86 remaining) [2024-02-05 10:33:15,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 86 remaining) [2024-02-05 10:33:15,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 86 remaining) [2024-02-05 10:33:15,537 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 86 remaining) [2024-02-05 10:33:15,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 86 remaining) [2024-02-05 10:33:15,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 86 remaining) [2024-02-05 10:33:15,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 86 remaining) [2024-02-05 10:33:15,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 86 remaining) [2024-02-05 10:33:15,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 86 remaining) [2024-02-05 10:33:15,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 86 remaining) [2024-02-05 10:33:15,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 86 remaining) [2024-02-05 10:33:15,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 86 remaining) [2024-02-05 10:33:15,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 86 remaining) [2024-02-05 10:33:15,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 86 remaining) [2024-02-05 10:33:15,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 86 remaining) [2024-02-05 10:33:15,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 86 remaining) [2024-02-05 10:33:15,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 86 remaining) [2024-02-05 10:33:15,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 86 remaining) [2024-02-05 10:33:15,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 86 remaining) [2024-02-05 10:33:15,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 86 remaining) [2024-02-05 10:33:15,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 86 remaining) [2024-02-05 10:33:15,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 86 remaining) [2024-02-05 10:33:15,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 86 remaining) [2024-02-05 10:33:15,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 86 remaining) [2024-02-05 10:33:15,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 86 remaining) [2024-02-05 10:33:15,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 86 remaining) [2024-02-05 10:33:15,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 86 remaining) [2024-02-05 10:33:15,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 86 remaining) [2024-02-05 10:33:15,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 86 remaining) [2024-02-05 10:33:15,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 86 remaining) [2024-02-05 10:33:15,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 86 remaining) [2024-02-05 10:33:15,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 86 remaining) [2024-02-05 10:33:15,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 86 remaining) [2024-02-05 10:33:15,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 86 remaining) [2024-02-05 10:33:15,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 86 remaining) [2024-02-05 10:33:15,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 86 remaining) [2024-02-05 10:33:15,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (37 of 86 remaining) [2024-02-05 10:33:15,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 86 remaining) [2024-02-05 10:33:15,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 86 remaining) [2024-02-05 10:33:15,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 86 remaining) [2024-02-05 10:33:15,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 86 remaining) [2024-02-05 10:33:15,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 86 remaining) [2024-02-05 10:33:15,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 86 remaining) [2024-02-05 10:33:15,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 86 remaining) [2024-02-05 10:33:15,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 86 remaining) [2024-02-05 10:33:15,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 86 remaining) [2024-02-05 10:33:15,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 86 remaining) [2024-02-05 10:33:15,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 86 remaining) [2024-02-05 10:33:15,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 86 remaining) [2024-02-05 10:33:15,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 86 remaining) [2024-02-05 10:33:15,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 86 remaining) [2024-02-05 10:33:15,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 86 remaining) [2024-02-05 10:33:15,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 86 remaining) [2024-02-05 10:33:15,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 86 remaining) [2024-02-05 10:33:15,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 86 remaining) [2024-02-05 10:33:15,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 86 remaining) [2024-02-05 10:33:15,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 86 remaining) [2024-02-05 10:33:15,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 86 remaining) [2024-02-05 10:33:15,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 86 remaining) [2024-02-05 10:33:15,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 86 remaining) [2024-02-05 10:33:15,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 86 remaining) [2024-02-05 10:33:15,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 86 remaining) [2024-02-05 10:33:15,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 86 remaining) [2024-02-05 10:33:15,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 86 remaining) [2024-02-05 10:33:15,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 86 remaining) [2024-02-05 10:33:15,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 86 remaining) [2024-02-05 10:33:15,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 86 remaining) [2024-02-05 10:33:15,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 86 remaining) [2024-02-05 10:33:15,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 86 remaining) [2024-02-05 10:33:15,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 86 remaining) [2024-02-05 10:33:15,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 86 remaining) [2024-02-05 10:33:15,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 86 remaining) [2024-02-05 10:33:15,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 86 remaining) [2024-02-05 10:33:15,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 86 remaining) [2024-02-05 10:33:15,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:33:15,558 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-02-05 10:33:15,566 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:33:15,566 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:33:15,582 INFO L503 ceAbstractionStarter]: Automizer considered 48 witness invariants [2024-02-05 10:33:15,582 INFO L504 ceAbstractionStarter]: WitnessConsidered=48 [2024-02-05 10:33:15,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:33:15 BasicIcfg [2024-02-05 10:33:15,583 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:33:15,584 INFO L158 Benchmark]: Toolchain (without parser) took 3919.91ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 107.4MB in the beginning and 51.7MB in the end (delta: 55.8MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2024-02-05 10:33:15,584 INFO L158 Benchmark]: Witness Parser took 1.10ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 122.8MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:33:15,585 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:33:15,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.84ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 82.5MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-02-05 10:33:15,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.93ms. Allocated memory is still 153.1MB. Free memory was 82.5MB in the beginning and 79.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-05 10:33:15,585 INFO L158 Benchmark]: Boogie Preprocessor took 80.86ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:33:15,586 INFO L158 Benchmark]: RCFGBuilder took 974.29ms. Allocated memory is still 153.1MB. Free memory was 76.8MB in the beginning and 52.8MB in the end (delta: 24.0MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-02-05 10:33:15,586 INFO L158 Benchmark]: TraceAbstraction took 2276.86ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 109.6kB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-02-05 10:33:15,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.10ms. Allocated memory is still 153.1MB. Free memory was 122.9MB in the beginning and 122.8MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.84ms. Allocated memory is still 153.1MB. Free memory was 106.8MB in the beginning and 82.5MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.93ms. Allocated memory is still 153.1MB. Free memory was 82.5MB in the beginning and 79.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.86ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 974.29ms. Allocated memory is still 153.1MB. Free memory was 76.8MB in the beginning and 52.8MB in the end (delta: 24.0MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2276.86ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 109.6kB). Peak memory consumption was 38.9MB. 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: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.4s 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, 0.1s SatisfiabilityAnalysisTime, 0.5s 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! [2024-02-05 10:33:15,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE