./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bakery-2.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bakery-2.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-3d25acf-m [2024-01-30 14:23:48,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:23:48,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:23:48,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:23:48,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:23:48,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:23:48,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:23:48,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:23:48,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:23:48,863 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:23:48,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:23:48,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:23:48,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:23:48,865 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:23:48,865 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:23:48,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:23:48,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:23:48,866 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:23:48,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:23:48,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:23:48,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:23:48,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:23:48,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:23:48,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:23:48,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:23:48,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:23:48,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:23:48,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:23:48,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:23:48,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:23:48,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:23:48,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:23:48,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:23:48,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:23:48,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:23:48,870 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:23:49,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:23:49,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:23:49,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:23:49,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:23:49,107 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:23:49,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-01-30 14:23:50,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:23:50,317 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:23:50,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2024-01-30 14:23:50,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9e01317/6273b975b5c84ab281d741e135aab3e3/FLAGcb72b59b3 [2024-01-30 14:23:50,334 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9e01317/6273b975b5c84ab281d741e135aab3e3 [2024-01-30 14:23:50,336 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:23:50,336 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:23:50,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-bakery-2.wvr.yml/witness.yml [2024-01-30 14:23:50,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:23:50,491 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:23:50,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:23:50,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:23:50,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:23:50,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:23:50" (1/2) ... [2024-01-30 14:23:50,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621f658b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:23:50, skipping insertion in model container [2024-01-30 14:23:50,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:23:50" (1/2) ... [2024-01-30 14:23:50,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2df1eb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:23:50, skipping insertion in model container [2024-01-30 14:23:50,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:50" (2/2) ... [2024-01-30 14:23:50,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621f658b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50, skipping insertion in model container [2024-01-30 14:23:50,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:50" (2/2) ... [2024-01-30 14:23:50,499 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:23:50,541 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:23:50,542 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,542 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,543 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,543 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] ((((((e2 == (_Bool)0) && (n1 == 0)) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1) [2024-01-30 14:23:50,543 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,544 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (((-2147483647 <= n2) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,544 INFO L98 nessWitnessExtractor]: Location invariant before [L106-L106] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,544 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,544 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] ((((((n1 == 0) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,544 INFO L98 nessWitnessExtractor]: Location invariant after [L18-L19] (((((((e2 == (_Bool)0) && (n1 == 0)) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (val == (_Bool)0 || val == (_Bool)1) [2024-01-30 14:23:50,544 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,544 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,545 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (((n1 == 0) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,545 INFO L98 nessWitnessExtractor]: Location invariant before [L119-L119] ((i2 == 0) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,545 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,545 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,545 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,545 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,545 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,546 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,546 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] ((e1 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,546 INFO L98 nessWitnessExtractor]: Location invariant before [L116-L116] (((((n2 == 0) && (i == 0)) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,546 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,546 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,547 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,547 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L25] ((i2 == 0) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,547 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,547 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,547 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,547 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,547 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,548 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (((-2147483647 <= n1) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,548 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,548 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] (((-2147483647 <= i) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,548 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,548 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((-2147483647 <= i) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,548 INFO L98 nessWitnessExtractor]: Location invariant before [L118-L118] (((i1 == 0) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,548 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,550 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] ((e1 == (_Bool)0) && ((unsigned long )_argptr == 0UL)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,550 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,550 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] (i == 0) && ((e1 == (_Bool)0 && (e2 == (_Bool)0 || (e2 == (_Bool)0 || e2 == (_Bool)1))) || ((e1 == (_Bool)0 || e1 == (_Bool)1) && (e2 == (_Bool)0 || e2 == (_Bool)1))) [2024-01-30 14:23:50,550 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] (e1 == (_Bool)0 || e1 == (_Bool)1) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,550 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] ((e2 == (_Bool)0) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1) [2024-01-30 14:23:50,551 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,551 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,551 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,551 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,551 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,551 INFO L98 nessWitnessExtractor]: Location invariant before [L59-L59] ((((unsigned long )_argptr == 0UL) && (n2 != 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,552 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] ((e2 == (_Bool)1) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1) [2024-01-30 14:23:50,552 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,552 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,552 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] ((((i == 0) && (i1 == 0)) && (i2 == 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,552 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,553 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,553 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] ((((unsigned long )_argptr == 0UL) && (n1 != 0)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,553 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,554 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] ((((((e1 == (_Bool)0) && (e2 == (_Bool)0)) && (n1 == 0)) && (n2 == 0)) && (i == 0)) && (i1 == 0)) && (i2 == 0) [2024-01-30 14:23:50,554 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,554 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,554 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-30 14:23:50,554 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,555 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,555 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (((n2 == 0) && ((unsigned long )_argptr == 0UL)) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,555 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (((unsigned long )_argptr == 0UL) && (e1 == (_Bool)0 || e1 == (_Bool)1)) && (e2 == (_Bool)0 || e2 == (_Bool)1) [2024-01-30 14:23:50,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:23:50,696 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-bakery-2.wvr.c[3538,3551] [2024-01-30 14:23:50,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:23:50,706 INFO L202 MainTranslator]: Completed pre-run [2024-01-30 14:23:50,713 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-01-30 14:23:50,714 WARN L424 MainDispatcher]: Unable to annotate extern int pthread_create (pthread_t *__restrict __newthread, const pthread_attr_t *__restrict __attr, void *(*__start_routine) (void *), void *__restrict __arg) __attribute__ ((__nothrow__)) __attribute__ ((__nonnull__ (1, 3))); with a witness entry Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-30 14:23:50,788 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-bakery-2.wvr.c[3538,3551] [2024-01-30 14:23:50,789 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:23:50,817 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:23:50,817 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50 WrapperNode [2024-01-30 14:23:50,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:23:50,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:23:50,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:23:50,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:23:50,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,861 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2024-01-30 14:23:50,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:23:50,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:23:50,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:23:50,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:23:50,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,889 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-01-30 14:23:50,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:23:50,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:23:50,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:23:50,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:23:50,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (1/1) ... [2024-01-30 14:23:50,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:23:50,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:23:50,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-30 14:23:50,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-30 14:23:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:23:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-30 14:23:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-30 14:23:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-30 14:23:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-30 14:23:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:23:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:23:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:23:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:23:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:23:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:23:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:23:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:23:50,984 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:23:51,071 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:23:51,072 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:23:51,501 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:23:51,502 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:23:51,701 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:23:51,701 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-30 14:23:51,702 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:23:51 BoogieIcfgContainer [2024-01-30 14:23:51,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:23:51,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:23:51,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:23:51,706 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:23:51,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:23:50" (1/4) ... [2024-01-30 14:23:51,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220f1752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:23:51, skipping insertion in model container [2024-01-30 14:23:51,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:23:50" (2/4) ... [2024-01-30 14:23:51,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220f1752 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:23:51, skipping insertion in model container [2024-01-30 14:23:51,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:23:50" (3/4) ... [2024-01-30 14:23:51,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220f1752 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:23:51, skipping insertion in model container [2024-01-30 14:23:51,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:23:51" (4/4) ... [2024-01-30 14:23:51,710 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2024-01-30 14:23:51,724 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:23:51,725 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-01-30 14:23:51,725 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:23:51,797 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-01-30 14:23:51,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 125 transitions, 264 flow [2024-01-30 14:23:51,855 INFO L124 PetriNetUnfolderBase]: 0/123 cut-off events. [2024-01-30 14:23:51,855 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-01-30 14:23:51,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 123 events. 0/123 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 289 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-30 14:23:51,857 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 125 transitions, 264 flow [2024-01-30 14:23:51,862 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 122 transitions, 256 flow [2024-01-30 14:23:51,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:23:51,882 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;@25a5a162, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:23:51,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 120 error locations. [2024-01-30 14:23:51,885 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:23:51,885 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:23:51,885 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:23:51,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:51,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:23:51,886 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-01-30 14:23:51,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:51,890 INFO L85 PathProgramCache]: Analyzing trace with hash 18821, now seen corresponding path program 1 times [2024-01-30 14:23:51,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:51,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882865018] [2024-01-30 14:23:51,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:51,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:23:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:23:52,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:23:52,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882865018] [2024-01-30 14:23:52,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882865018] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:23:52,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:23:52,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:23:52,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755474746] [2024-01-30 14:23:52,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:23:52,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:23:52,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:23:52,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:23:52,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:23:52,319 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 125 [2024-01-30 14:23:52,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:23:52,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:23:52,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 125 [2024-01-30 14:23:52,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:23:52,880 INFO L124 PetriNetUnfolderBase]: 1449/2966 cut-off events. [2024-01-30 14:23:52,880 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-01-30 14:23:52,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5564 conditions, 2966 events. 1449/2966 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 22970 event pairs, 1449 based on Foata normal form. 0/1547 useless extension candidates. Maximal degree in co-relation 5320. Up to 2525 conditions per place. [2024-01-30 14:23:52,897 INFO L140 encePairwiseOnDemand]: 110/125 looper letters, 66 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2024-01-30 14:23:52,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 109 transitions, 366 flow [2024-01-30 14:23:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:23:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:23:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 210 transitions. [2024-01-30 14:23:52,907 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.56 [2024-01-30 14:23:52,908 INFO L175 Difference]: Start difference. First operand has 129 places, 122 transitions, 256 flow. Second operand 3 states and 210 transitions. [2024-01-30 14:23:52,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 109 transitions, 366 flow [2024-01-30 14:23:52,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 109 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-30 14:23:52,918 INFO L231 Difference]: Finished difference. Result has 114 places, 109 transitions, 226 flow [2024-01-30 14:23:52,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=114, PETRI_TRANSITIONS=109} [2024-01-30 14:23:52,922 INFO L281 CegarLoopForPetriNet]: 129 programPoint places, -15 predicate places. [2024-01-30 14:23:52,922 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 109 transitions, 226 flow [2024-01-30 14:23:52,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:23:52,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:23:52,923 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-30 14:23:52,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:23:52,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 117 more)] === [2024-01-30 14:23:52,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:23:52,923 INFO L85 PathProgramCache]: Analyzing trace with hash 584060, now seen corresponding path program 1 times [2024-01-30 14:23:52,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:23:52,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23491068] [2024-01-30 14:23:52,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:23:52,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:23:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:23:52,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:23:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:23:52,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:23:52,973 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:23:52,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 120 remaining) [2024-01-30 14:23:52,975 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 120 remaining) [2024-01-30 14:23:52,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 120 remaining) [2024-01-30 14:23:52,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 120 remaining) [2024-01-30 14:23:52,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 120 remaining) [2024-01-30 14:23:52,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 120 remaining) [2024-01-30 14:23:52,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 120 remaining) [2024-01-30 14:23:52,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 120 remaining) [2024-01-30 14:23:52,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 120 remaining) [2024-01-30 14:23:52,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 120 remaining) [2024-01-30 14:23:52,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 120 remaining) [2024-01-30 14:23:52,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 120 remaining) [2024-01-30 14:23:52,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 120 remaining) [2024-01-30 14:23:52,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 120 remaining) [2024-01-30 14:23:52,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 120 remaining) [2024-01-30 14:23:52,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 120 remaining) [2024-01-30 14:23:52,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 120 remaining) [2024-01-30 14:23:52,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 120 remaining) [2024-01-30 14:23:52,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 120 remaining) [2024-01-30 14:23:52,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 120 remaining) [2024-01-30 14:23:52,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 120 remaining) [2024-01-30 14:23:52,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 120 remaining) [2024-01-30 14:23:52,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 120 remaining) [2024-01-30 14:23:52,981 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 120 remaining) [2024-01-30 14:23:52,982 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 120 remaining) [2024-01-30 14:23:52,983 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 120 remaining) [2024-01-30 14:23:52,984 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 120 remaining) [2024-01-30 14:23:52,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 120 remaining) [2024-01-30 14:23:52,985 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 120 remaining) [2024-01-30 14:23:52,988 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (56 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 120 remaining) [2024-01-30 14:23:52,989 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 120 remaining) [2024-01-30 14:23:52,990 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 120 remaining) [2024-01-30 14:23:52,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 120 remaining) [2024-01-30 14:23:52,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 120 remaining) [2024-01-30 14:23:52,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 120 remaining) [2024-01-30 14:23:52,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 120 remaining) [2024-01-30 14:23:52,991 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 120 remaining) [2024-01-30 14:23:52,992 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 120 remaining) [2024-01-30 14:23:52,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 120 remaining) [2024-01-30 14:23:52,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 120 remaining) [2024-01-30 14:23:52,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 120 remaining) [2024-01-30 14:23:52,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 120 remaining) [2024-01-30 14:23:52,994 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 120 remaining) [2024-01-30 14:23:52,995 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 120 remaining) [2024-01-30 14:23:52,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 120 remaining) [2024-01-30 14:23:52,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 120 remaining) [2024-01-30 14:23:52,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 120 remaining) [2024-01-30 14:23:52,997 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 120 remaining) [2024-01-30 14:23:52,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:23:52,997 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-01-30 14:23:53,003 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:23:53,004 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:23:53,016 INFO L503 ceAbstractionStarter]: Automizer considered 63 witness invariants [2024-01-30 14:23:53,016 INFO L504 ceAbstractionStarter]: WitnessConsidered=63 [2024-01-30 14:23:53,017 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:23:53 BasicIcfg [2024-01-30 14:23:53,017 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:23:53,018 INFO L158 Benchmark]: Toolchain (without parser) took 2526.87ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 79.6MB in the beginning and 142.0MB in the end (delta: -62.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:53,018 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:53,018 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:23:53,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.65ms. Allocated memory is still 159.4MB. Free memory was 79.6MB in the beginning and 130.6MB in the end (delta: -50.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-01-30 14:23:53,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.93ms. Allocated memory is still 159.4MB. Free memory was 130.6MB in the beginning and 127.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:23:53,018 INFO L158 Benchmark]: Boogie Preprocessor took 48.22ms. Allocated memory is still 159.4MB. Free memory was 127.6MB in the beginning and 124.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-30 14:23:53,019 INFO L158 Benchmark]: RCFGBuilder took 791.39ms. Allocated memory is still 159.4MB. Free memory was 124.1MB in the beginning and 105.7MB in the end (delta: 18.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2024-01-30 14:23:53,019 INFO L158 Benchmark]: TraceAbstraction took 1312.85ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 105.7MB in the beginning and 142.0MB in the end (delta: -36.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-01-30 14:23:53,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.65ms. Allocated memory is still 159.4MB. Free memory was 79.6MB in the beginning and 130.6MB in the end (delta: -50.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.93ms. Allocated memory is still 159.4MB. Free memory was 130.6MB in the beginning and 127.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.22ms. Allocated memory is still 159.4MB. Free memory was 127.6MB in the beginning and 124.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 791.39ms. Allocated memory is still 159.4MB. Free memory was 124.1MB in the beginning and 105.7MB in the end (delta: 18.4MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.85ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 105.7MB in the beginning and 142.0MB in the end (delta: -36.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 114]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] _Bool e1, e2; [L39] int n1, n2, i, i1, i2; [L110] pthread_t t1, t2; VAL [e1=0, e2=0, i=0, i=0, i=0, n1=0, n2=0, t1={3:0}, t2={5:0}] [L113] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[e2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[n1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[n2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]]]]] [L113] e1 = __VERIFIER_nondet_bool() [L114] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[e2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[n1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[n2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[i2],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[e1],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [e1=2, e2=0, i=0, i=0, i=0, n1=0, n2=0, t1={3:0}, t2={5:0}] - 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: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: 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: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 72]: 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: 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: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: 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: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 97]: 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: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 113]: 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 invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 117]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 119]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 122]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 130]: 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: 125]: 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: 124]: 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, 224 locations, 120 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 8 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-30 14:23:53,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE