./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-5.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-ticket-5.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fced0e87 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-5.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.extract-columns-fced0e8-m [2024-01-31 16:09:49,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:09:49,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:09:49,124 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:09:49,124 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:09:49,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:09:49,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:09:49,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:09:49,156 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:09:49,160 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:09:49,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:09:49,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:09:49,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:09:49,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:09:49,163 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:09:49,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:09:49,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:09:49,164 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:09:49,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:09:49,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:09:49,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:09:49,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:09:49,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:09:49,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:09:49,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:09:49,166 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:09:49,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:09:49,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:09:49,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:09:49,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:09:49,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:09:49,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:09:49,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:09:49,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:09:49,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:09:49,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:09:49,170 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:09:49,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:09:49,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:09:49,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:09:49,171 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:09:49,171 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:09:49,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:09:49,172 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:09:49,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:09:49,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:09:49,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:09:49,445 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:09:49,445 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:09:49,446 INFO L431 ainManager$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-ticket-5.wvr.yml/witness.yml [2024-01-31 16:09:49,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:09:49,649 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:09:49,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2024-01-31 16:09:50,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:09:50,932 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:09:50,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2024-01-31 16:09:50,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5e28f82/a472e64a981b42a89d6bee3cb3864fd1/FLAG39e883d9c [2024-01-31 16:09:50,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b5e28f82/a472e64a981b42a89d6bee3cb3864fd1 [2024-01-31 16:09:50,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:09:50,950 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:09:50,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:09:50,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:09:50,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:09:50,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:09:49" (1/2) ... [2024-01-31 16:09:50,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e15f33b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:50, skipping insertion in model container [2024-01-31 16:09:50,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:09:49" (1/2) ... [2024-01-31 16:09:50,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@333de803 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:09:50, skipping insertion in model container [2024-01-31 16:09:50,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:09:50" (2/2) ... [2024-01-31 16:09:50,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e15f33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:50, skipping insertion in model container [2024-01-31 16:09:50,963 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:09:50" (2/2) ... [2024-01-31 16:09:50,964 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:09:51,026 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:09:51,060 INFO L98 nessWitnessExtractor]: Location invariant before [L134-L134] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,060 INFO L98 nessWitnessExtractor]: Location invariant before [L114-L114] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,060 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,060 INFO L98 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,060 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L115-L115] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L111-L111] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L132-L132] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L129-L129] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L146-L146] (((((m4 == 0) && (m5 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L133-L133] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L151-L151] b == (_Bool)0 [2024-01-31 16:09:51,061 INFO L98 nessWitnessExtractor]: Location invariant before [L128-L128] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L117-L117] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] ((x == 1) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L148-L148] (((s == 0) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L57-L57] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L124-L124] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,062 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L143-L143] ((((((((m1 == 0) && (m2 == 0)) && (m3 == 0)) && (m4 == 0)) && (m5 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,063 INFO L98 nessWitnessExtractor]: Location invariant before [L112-L112] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L156-L156] b == (_Bool)0 || b == (_Bool)1 [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L108-L108] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L144-L144] (((((((m2 == 0) && (m3 == 0)) && (m4 == 0)) && (m5 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,064 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L136-L136] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L121-L121] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L95-L95] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,065 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,066 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,066 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,067 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,067 INFO L98 nessWitnessExtractor]: Location invariant before [L131-L131] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,067 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,067 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,067 INFO L98 nessWitnessExtractor]: Location invariant before [L123-L123] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,067 INFO L98 nessWitnessExtractor]: Location invariant before [L109-L109] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,068 INFO L98 nessWitnessExtractor]: Location invariant before [L126-L126] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,068 INFO L98 nessWitnessExtractor]: Location invariant before [L113-L113] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,068 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,068 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,068 INFO L98 nessWitnessExtractor]: Location invariant before [L127-L127] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,068 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,068 INFO L98 nessWitnessExtractor]: Location invariant before [L150-L150] (x == 0) && (b == (_Bool)0) [2024-01-31 16:09:51,069 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,069 INFO L98 nessWitnessExtractor]: Location invariant before [L73-L73] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:09:51,069 INFO L98 nessWitnessExtractor]: Location invariant before [L130-L130] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-01-31 16:09:51,069 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,069 INFO L98 nessWitnessExtractor]: Location invariant before [L145-L145] ((((((m3 == 0) && (m4 == 0)) && (m5 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:51,069 INFO L98 nessWitnessExtractor]: Location invariant before [L154-L154] b == (_Bool)0 || b == (_Bool)1 [2024-01-31 16:09:51,070 INFO L98 nessWitnessExtractor]: Location invariant before [L149-L149] ((t == 0) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:51,070 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,070 INFO L98 nessWitnessExtractor]: Location invariant before [L122-L122] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,073 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,073 INFO L98 nessWitnessExtractor]: Location invariant before [L55-L55] ((x == 0) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,073 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,074 INFO L98 nessWitnessExtractor]: Location invariant before [L147-L147] ((((m5 == 0) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-01-31 16:09:51,074 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,074 INFO L98 nessWitnessExtractor]: Location invariant before [L96-L96] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,074 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-01-31 16:09:51,074 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-31 16:09:51,138 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:09:51,361 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-ticket-5.wvr.c[4028,4041] [2024-01-31 16:09:51,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:09:51,380 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 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:09:51,494 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-ticket-5.wvr.c[4028,4041] [2024-01-31 16:09:51,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:09:51,509 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:09:51,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51 WrapperNode [2024-01-31 16:09:51,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:09:51,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:09:51,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:09:51,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:09:51,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,592 INFO L138 Inliner]: procedures = 24, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 335 [2024-01-31 16:09:51,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:09:51,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:09:51,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:09:51,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:09:51,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,650 INFO L175 MemorySlicer]: Split 12 memory accesses to 6 slices as follows [2, 2, 2, 2, 2, 2]. 17 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 1, 1]. [2024-01-31 16:09:51,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:09:51,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:09:51,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:09:51,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:09:51,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (1/1) ... [2024-01-31 16:09:51,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:09:51,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:09:51,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-31 16:09:51,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-31 16:09:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:09:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:09:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:09:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:09:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:09:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:09:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:09:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-31 16:09:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-31 16:09:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:09:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:09:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:09:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:09:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-01-31 16:09:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-01-31 16:09:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-01-31 16:09:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-01-31 16:09:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:09:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:09:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:09:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:09:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:09:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-01-31 16:09:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-01-31 16:09:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:09:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:09:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:09:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:09:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:09:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:09:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:09:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:09:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-01-31 16:09:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-01-31 16:09:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:09:51,781 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:09:51,891 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:09:51,893 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:09:52,547 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:09:52,547 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:09:52,850 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:09:52,850 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:09:52,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:09:52 BoogieIcfgContainer [2024-01-31 16:09:52,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:09:52,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:09:52,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:09:52,859 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:09:52,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:09:49" (1/4) ... [2024-01-31 16:09:52,860 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1a37a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:09:52, skipping insertion in model container [2024-01-31 16:09:52,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:09:50" (2/4) ... [2024-01-31 16:09:52,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1a37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:09:52, skipping insertion in model container [2024-01-31 16:09:52,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:09:51" (3/4) ... [2024-01-31 16:09:52,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a1a37a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:09:52, skipping insertion in model container [2024-01-31 16:09:52,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:09:52" (4/4) ... [2024-01-31 16:09:52,864 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2024-01-31 16:09:52,881 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:09:52,881 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 85 error locations. [2024-01-31 16:09:52,882 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:09:53,013 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-01-31 16:09:53,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 175 transitions, 385 flow [2024-01-31 16:09:53,131 INFO L124 PetriNetUnfolderBase]: 0/170 cut-off events. [2024-01-31 16:09:53,131 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-01-31 16:09:53,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 170 events. 0/170 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 701 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-31 16:09:53,138 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 175 transitions, 385 flow [2024-01-31 16:09:53,149 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 169 transitions, 368 flow [2024-01-31 16:09:53,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:09:53,170 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;@2d07ff4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:09:53,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 163 error locations. [2024-01-31 16:09:53,174 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:09:53,175 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:09:53,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:09:53,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:09:53,175 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:09:53,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 160 more)] === [2024-01-31 16:09:53,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:09:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash 26872, now seen corresponding path program 1 times [2024-01-31 16:09:53,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:09:53,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801368920] [2024-01-31 16:09:53,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:09:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:09:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:09:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:09:53,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:09:53,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801368920] [2024-01-31 16:09:53,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801368920] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:09:53,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:09:53,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:09:53,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197600062] [2024-01-31 16:09:53,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:09:53,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:09:53,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:09:53,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:09:53,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:09:53,671 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 175 [2024-01-31 16:09:53,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 169 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-31 16:09:53,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:09:53,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 175 [2024-01-31 16:09:53,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand