./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-ticket-3.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-3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 59af5db6 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-3.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-3.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-59af5db-m [2024-02-02 09:20:31,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-02 09:20:31,149 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-02 09:20:31,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-02 09:20:31,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-02 09:20:31,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-02 09:20:31,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-02 09:20:31,183 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-02 09:20:31,184 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-02 09:20:31,188 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-02 09:20:31,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-02 09:20:31,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-02 09:20:31,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-02 09:20:31,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-02 09:20:31,191 INFO L153 SettingsManager]: * Use SBE=true [2024-02-02 09:20:31,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-02 09:20:31,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-02 09:20:31,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-02 09:20:31,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-02 09:20:31,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-02 09:20:31,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-02 09:20:31,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-02 09:20:31,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-02 09:20:31,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-02 09:20:31,194 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-02 09:20:31,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-02 09:20:31,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-02 09:20:31,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-02 09:20:31,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-02 09:20:31,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-02 09:20:31,197 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-02 09:20:31,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-02 09:20:31,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:20:31,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-02 09:20:31,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-02 09:20:31,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-02 09:20:31,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-02 09:20:31,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-02 09:20:31,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-02 09:20:31,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-02 09:20:31,199 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-02 09:20:31,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-02 09:20:31,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-02 09:20:31,200 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-02 09:20:31,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-02 09:20:31,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-02 09:20:31,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-02 09:20:31,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-02 09:20:31,514 INFO L274 PluginConnector]: CDTParser initialized [2024-02-02 09:20:31,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2024-02-02 09:20:32,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-02 09:20:33,073 INFO L384 CDTParser]: Found 1 translation units. [2024-02-02 09:20:33,074 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2024-02-02 09:20:33,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4879e99d8/154b3842e05b4e2282797de9cdc305c1/FLAG36be74f02 [2024-02-02 09:20:33,102 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4879e99d8/154b3842e05b4e2282797de9cdc305c1 [2024-02-02 09:20:33,105 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-02 09:20:33,105 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-02 09:20:33,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/parallel-ticket-3.wvr.yml/witness.yml [2024-02-02 09:20:33,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-02 09:20:33,251 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-02 09:20:33,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-02 09:20:33,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-02 09:20:33,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-02 09:20:33,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:20:33" (1/2) ... [2024-02-02 09:20:33,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2293baf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:33, skipping insertion in model container [2024-02-02 09:20:33,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:20:33" (1/2) ... [2024-02-02 09:20:33,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@233f4a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:20:33, skipping insertion in model container [2024-02-02 09:20:33,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:33" (2/2) ... [2024-02-02 09:20:33,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2293baf1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33, skipping insertion in model container [2024-02-02 09:20:33,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:33" (2/2) ... [2024-02-02 09:20:33,264 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-02 09:20:33,316 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-02 09:20:33,317 INFO L101 nessWitnessExtractor]: Location invariant before [L98-L98] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,318 INFO L101 nessWitnessExtractor]: Location invariant before [L73-L73] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:20:33,318 INFO L101 nessWitnessExtractor]: Location invariant before [L70-L70] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,318 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,318 INFO L101 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,318 INFO L101 nessWitnessExtractor]: Location invariant before [L93-L93] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,319 INFO L101 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,319 INFO L101 nessWitnessExtractor]: Location invariant before [L74-L74] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,319 INFO L101 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,319 INFO L101 nessWitnessExtractor]: Location invariant before [L109-L109] ((t == 0) && (x == 0)) && (b == (_Bool)0) [2024-02-02 09:20:33,319 INFO L101 nessWitnessExtractor]: Location invariant before [L67-L67] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,319 INFO L101 nessWitnessExtractor]: Location invariant before [L71-L71] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,320 INFO L101 nessWitnessExtractor]: Location invariant before [L22-L25] (x == 0) && (b == (_Bool)0) [2024-02-02 09:20:33,320 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,320 INFO L101 nessWitnessExtractor]: Location invariant before [L77-L77] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,320 INFO L101 nessWitnessExtractor]: Location invariant before [L108-L108] (((s == 0) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-02 09:20:33,320 INFO L101 nessWitnessExtractor]: Location invariant before [L106-L106] (((((m2 == 0) && (m3 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-02 09:20:33,320 INFO L101 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,321 INFO L101 nessWitnessExtractor]: Location invariant before [L57-L57] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,321 INFO L101 nessWitnessExtractor]: Location invariant before [L45-L45] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,321 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,321 INFO L101 nessWitnessExtractor]: Location invariant before [L85-L85] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,321 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] ((x == 1) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,321 INFO L101 nessWitnessExtractor]: Location invariant before [L76-L76] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,322 INFO L101 nessWitnessExtractor]: Location invariant before [L96-L96] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,322 INFO L101 nessWitnessExtractor]: Location invariant before [L107-L107] ((((m3 == 0) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-02 09:20:33,322 INFO L101 nessWitnessExtractor]: Location invariant before [L55-L55] ((x == 0) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,322 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,322 INFO L101 nessWitnessExtractor]: Location invariant before [L89-L89] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,322 INFO L101 nessWitnessExtractor]: Location invariant before [L116-L116] b == (_Bool)0 || b == (_Bool)1 [2024-02-02 09:20:33,323 INFO L101 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,323 INFO L101 nessWitnessExtractor]: Location invariant before [L84-L84] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,323 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,323 INFO L101 nessWitnessExtractor]: Location invariant before [L92-L92] (b == (_Bool)0) && ((unsigned long )_argptr == 0UL) [2024-02-02 09:20:33,324 INFO L101 nessWitnessExtractor]: Location invariant after [L18-L19] (b == (_Bool)0) && (val == (_Bool)0 || val == (_Bool)1) [2024-02-02 09:20:33,324 INFO L101 nessWitnessExtractor]: Location invariant before [L86-L86] ((-2147483647 <= t) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,324 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] ((-2147483647 <= s) && ((unsigned long )_argptr == 0UL)) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,325 INFO L101 nessWitnessExtractor]: Location invariant before [L90-L90] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,326 INFO L101 nessWitnessExtractor]: Location invariant before [L105-L105] ((((((m1 == 0) && (m2 == 0)) && (m3 == 0)) && (s == 0)) && (t == 0)) && (x == 0)) && (b == (_Bool)0) [2024-02-02 09:20:33,326 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,326 INFO L101 nessWitnessExtractor]: Location invariant before [L49-L49] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,326 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,326 INFO L101 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L54-L54] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L43] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L48-L48] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L110-L110] (x == 0) && (b == (_Bool)0) [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L95-L95] ((unsigned long )_argptr == 0UL) && (b == (_Bool)0 || b == (_Bool)1) [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L114-L114] b == (_Bool)0 || b == (_Bool)1 [2024-02-02 09:20:33,327 INFO L101 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-02-02 09:20:33,328 INFO L101 nessWitnessExtractor]: Location invariant before [L111-L111] b == (_Bool)0 [2024-02-02 09:20:33,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-02 09:20:33,541 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-3.wvr.c[3128,3141] [2024-02-02 09:20:33,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:20:33,570 INFO L202 MainTranslator]: Completed pre-run [2024-02-02 09:20:33,585 WARN L424 MainDispatcher]: Unable to annotate __assert_fail(const char *__assertion, const char *__file, unsigned int __line, const char *__function) with a witness entry [2024-02-02 09:20:33,590 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 [2024-02-02 09:20:33,693 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-3.wvr.c[3128,3141] [2024-02-02 09:20:33,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-02 09:20:33,706 INFO L206 MainTranslator]: Completed translation [2024-02-02 09:20:33,707 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33 WrapperNode [2024-02-02 09:20:33,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-02 09:20:33,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-02 09:20:33,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-02 09:20:33,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-02 09:20:33,714 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 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,724 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 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,762 INFO L138 Inliner]: procedures = 22, calls = 55, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 221 [2024-02-02 09:20:33,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-02 09:20:33,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-02 09:20:33,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-02 09:20:33,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-02 09:20:33,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,797 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-02 09:20:33,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-02 09:20:33,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-02 09:20:33,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-02 09:20:33,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-02 09:20:33,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (1/1) ... [2024-02-02 09:20:33,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-02 09:20:33,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-02 09:20:33,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-02 09:20:33,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-02 09:20:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-02 09:20:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-02 09:20:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-02 09:20:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-02 09:20:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-02 09:20:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-02 09:20:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-02 09:20:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-02 09:20:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-02 09:20:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-02 09:20:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-02 09:20:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-02 09:20:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-02 09:20:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-02 09:20:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-02 09:20:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-02 09:20:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-02 09:20:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-02 09:20:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-02 09:20:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-02 09:20:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-02 09:20:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-02 09:20:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-02 09:20:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-02 09:20:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-02 09:20:33,937 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-02 09:20:34,069 INFO L244 CfgBuilder]: Building ICFG [2024-02-02 09:20:34,071 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-02 09:20:34,596 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-02 09:20:34,598 INFO L293 CfgBuilder]: Performing block encoding [2024-02-02 09:20:34,813 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-02 09:20:34,814 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-02 09:20:34,816 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:20:34 BoogieIcfgContainer [2024-02-02 09:20:34,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-02 09:20:34,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-02 09:20:34,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-02 09:20:34,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-02 09:20:34,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:20:33" (1/4) ... [2024-02-02 09:20:34,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410bb213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:20:34, skipping insertion in model container [2024-02-02 09:20:34,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 02.02 09:20:33" (2/4) ... [2024-02-02 09:20:34,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410bb213 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:20:34, skipping insertion in model container [2024-02-02 09:20:34,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 02.02 09:20:33" (3/4) ... [2024-02-02 09:20:34,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410bb213 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 02.02 09:20:34, skipping insertion in model container [2024-02-02 09:20:34,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:20:34" (4/4) ... [2024-02-02 09:20:34,827 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2024-02-02 09:20:34,844 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-02 09:20:34,845 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2024-02-02 09:20:34,845 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-02 09:20:34,965 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-02 09:20:35,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 123 places, 113 transitions, 247 flow [2024-02-02 09:20:35,069 INFO L124 PetriNetUnfolderBase]: 0/110 cut-off events. [2024-02-02 09:20:35,069 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-02 09:20:35,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 110 events. 0/110 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 352 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-02 09:20:35,071 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 113 transitions, 247 flow [2024-02-02 09:20:35,077 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 109 transitions, 236 flow [2024-02-02 09:20:35,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-02 09:20:35,101 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;@28ea5a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-02 09:20:35,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2024-02-02 09:20:35,104 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-02 09:20:35,105 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-02 09:20:35,105 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-02 09:20:35,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:35,106 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-02 09:20:35,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:35,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:35,111 INFO L85 PathProgramCache]: Analyzing trace with hash 18194, now seen corresponding path program 1 times [2024-02-02 09:20:35,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:35,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772018900] [2024-02-02 09:20:35,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:35,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:35,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:35,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772018900] [2024-02-02 09:20:35,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772018900] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:35,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:35,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-02 09:20:35,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818778714] [2024-02-02 09:20:35,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:35,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:20:35,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:35,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:20:35,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:20:35,532 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 113 [2024-02-02 09:20:35,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 109 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:35,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:35,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 113 [2024-02-02 09:20:35,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:37,794 INFO L124 PetriNetUnfolderBase]: 10317/16618 cut-off events. [2024-02-02 09:20:37,794 INFO L125 PetriNetUnfolderBase]: For 207/207 co-relation queries the response was YES. [2024-02-02 09:20:37,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32191 conditions, 16618 events. 10317/16618 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 887. Compared 138616 event pairs, 10317 based on Foata normal form. 0/8615 useless extension candidates. Maximal degree in co-relation 30260. Up to 15045 conditions per place. [2024-02-02 09:20:37,990 INFO L140 encePairwiseOnDemand]: 100/113 looper letters, 63 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-02-02 09:20:37,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 98 transitions, 344 flow [2024-02-02 09:20:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2024-02-02 09:20:38,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5427728613569321 [2024-02-02 09:20:38,007 INFO L175 Difference]: Start difference. First operand has 119 places, 109 transitions, 236 flow. Second operand 3 states and 184 transitions. [2024-02-02 09:20:38,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 98 transitions, 344 flow [2024-02-02 09:20:38,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 98 transitions, 332 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-02 09:20:38,038 INFO L231 Difference]: Finished difference. Result has 104 places, 98 transitions, 206 flow [2024-02-02 09:20:38,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=104, PETRI_TRANSITIONS=98} [2024-02-02 09:20:38,043 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -15 predicate places. [2024-02-02 09:20:38,044 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 98 transitions, 206 flow [2024-02-02 09:20:38,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:38,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:38,044 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-02 09:20:38,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-02 09:20:38,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:38,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:38,046 INFO L85 PathProgramCache]: Analyzing trace with hash 564656, now seen corresponding path program 1 times [2024-02-02 09:20:38,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:38,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080060485] [2024-02-02 09:20:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:38,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:38,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:38,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080060485] [2024-02-02 09:20:38,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080060485] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:38,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:38,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:38,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353304321] [2024-02-02 09:20:38,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:38,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:20:38,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:38,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:20:38,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:20:38,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 113 [2024-02-02 09:20:38,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 98 transitions, 206 flow. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:38,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:38,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 113 [2024-02-02 09:20:38,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:39,916 INFO L124 PetriNetUnfolderBase]: 10317/16617 cut-off events. [2024-02-02 09:20:39,916 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-02-02 09:20:39,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31849 conditions, 16617 events. 10317/16617 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 138737 event pairs, 10317 based on Foata normal form. 0/8615 useless extension candidates. Maximal degree in co-relation 31840. Up to 15043 conditions per place. [2024-02-02 09:20:40,034 INFO L140 encePairwiseOnDemand]: 110/113 looper letters, 62 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-02-02 09:20:40,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 97 transitions, 332 flow [2024-02-02 09:20:40,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:40,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:40,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2024-02-02 09:20:40,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5191740412979351 [2024-02-02 09:20:40,037 INFO L175 Difference]: Start difference. First operand has 104 places, 98 transitions, 206 flow. Second operand 3 states and 176 transitions. [2024-02-02 09:20:40,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 97 transitions, 332 flow [2024-02-02 09:20:40,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 97 transitions, 328 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:20:40,040 INFO L231 Difference]: Finished difference. Result has 103 places, 97 transitions, 204 flow [2024-02-02 09:20:40,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=103, PETRI_TRANSITIONS=97} [2024-02-02 09:20:40,041 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -16 predicate places. [2024-02-02 09:20:40,041 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 97 transitions, 204 flow [2024-02-02 09:20:40,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:40,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:40,042 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-02 09:20:40,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-02 09:20:40,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:40,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:40,045 INFO L85 PathProgramCache]: Analyzing trace with hash 17504981, now seen corresponding path program 1 times [2024-02-02 09:20:40,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:40,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719308256] [2024-02-02 09:20:40,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:40,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:40,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:40,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719308256] [2024-02-02 09:20:40,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719308256] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:40,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:40,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:40,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305804011] [2024-02-02 09:20:40,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:40,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:20:40,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:40,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:20:40,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:20:40,149 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 113 [2024-02-02 09:20:40,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 97 transitions, 204 flow. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:40,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:40,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 113 [2024-02-02 09:20:40,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:41,736 INFO L124 PetriNetUnfolderBase]: 10317/16616 cut-off events. [2024-02-02 09:20:41,736 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-02-02 09:20:41,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31847 conditions, 16616 events. 10317/16616 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 885. Compared 138497 event pairs, 10317 based on Foata normal form. 0/8615 useless extension candidates. Maximal degree in co-relation 31836. Up to 15041 conditions per place. [2024-02-02 09:20:41,833 INFO L140 encePairwiseOnDemand]: 110/113 looper letters, 61 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-02-02 09:20:41,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 96 transitions, 328 flow [2024-02-02 09:20:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:41,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 178 transitions. [2024-02-02 09:20:41,835 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5250737463126843 [2024-02-02 09:20:41,835 INFO L175 Difference]: Start difference. First operand has 103 places, 97 transitions, 204 flow. Second operand 3 states and 178 transitions. [2024-02-02 09:20:41,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 96 transitions, 328 flow [2024-02-02 09:20:41,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 96 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:20:41,838 INFO L231 Difference]: Finished difference. Result has 102 places, 96 transitions, 202 flow [2024-02-02 09:20:41,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=102, PETRI_TRANSITIONS=96} [2024-02-02 09:20:41,839 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -17 predicate places. [2024-02-02 09:20:41,839 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 96 transitions, 202 flow [2024-02-02 09:20:41,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:41,840 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:41,840 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-02 09:20:41,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-02 09:20:41,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:41,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:41,841 INFO L85 PathProgramCache]: Analyzing trace with hash 542654968, now seen corresponding path program 1 times [2024-02-02 09:20:41,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:41,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379479146] [2024-02-02 09:20:41,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:41,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:41,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:41,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379479146] [2024-02-02 09:20:41,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379479146] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:41,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:41,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:41,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616378967] [2024-02-02 09:20:41,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:41,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:20:41,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:41,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:20:41,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:20:41,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 113 [2024-02-02 09:20:41,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 96 transitions, 202 flow. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:41,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:41,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 113 [2024-02-02 09:20:41,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:43,243 INFO L124 PetriNetUnfolderBase]: 10200/17451 cut-off events. [2024-02-02 09:20:43,243 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-02-02 09:20:43,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32507 conditions, 17451 events. 10200/17451 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 960. Compared 148664 event pairs, 6533 based on Foata normal form. 0/9714 useless extension candidates. Maximal degree in co-relation 32494. Up to 14814 conditions per place. [2024-02-02 09:20:43,391 INFO L140 encePairwiseOnDemand]: 102/113 looper letters, 66 selfloop transitions, 6 changer transitions 0/105 dead transitions. [2024-02-02 09:20:43,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 105 transitions, 366 flow [2024-02-02 09:20:43,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:43,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 194 transitions. [2024-02-02 09:20:43,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5722713864306784 [2024-02-02 09:20:43,394 INFO L175 Difference]: Start difference. First operand has 102 places, 96 transitions, 202 flow. Second operand 3 states and 194 transitions. [2024-02-02 09:20:43,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 105 transitions, 366 flow [2024-02-02 09:20:43,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 105 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:20:43,399 INFO L231 Difference]: Finished difference. Result has 101 places, 97 transitions, 230 flow [2024-02-02 09:20:43,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=101, PETRI_TRANSITIONS=97} [2024-02-02 09:20:43,401 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-02-02 09:20:43,401 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 230 flow [2024-02-02 09:20:43,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:43,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:43,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-02 09:20:43,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-02 09:20:43,402 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:43,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:43,403 INFO L85 PathProgramCache]: Analyzing trace with hash -357564536, now seen corresponding path program 1 times [2024-02-02 09:20:43,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:43,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391264069] [2024-02-02 09:20:43,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:43,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:43,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391264069] [2024-02-02 09:20:43,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391264069] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:43,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:43,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533812524] [2024-02-02 09:20:43,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:43,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:20:43,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:43,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:20:43,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:20:43,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 113 [2024-02-02 09:20:43,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 230 flow. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:43,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:43,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 113 [2024-02-02 09:20:43,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:44,616 INFO L124 PetriNetUnfolderBase]: 10200/17450 cut-off events. [2024-02-02 09:20:44,616 INFO L125 PetriNetUnfolderBase]: For 855/855 co-relation queries the response was YES. [2024-02-02 09:20:44,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34568 conditions, 17450 events. 10200/17450 cut-off events. For 855/855 co-relation queries the response was YES. Maximal size of possible extension queue 955. Compared 148474 event pairs, 6533 based on Foata normal form. 0/10737 useless extension candidates. Maximal degree in co-relation 11767. Up to 14812 conditions per place. [2024-02-02 09:20:44,778 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 65 selfloop transitions, 6 changer transitions 0/104 dead transitions. [2024-02-02 09:20:44,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 104 transitions, 388 flow [2024-02-02 09:20:44,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2024-02-02 09:20:44,780 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5663716814159292 [2024-02-02 09:20:44,780 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 230 flow. Second operand 3 states and 192 transitions. [2024-02-02 09:20:44,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 104 transitions, 388 flow [2024-02-02 09:20:44,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 104 transitions, 382 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-02 09:20:44,786 INFO L231 Difference]: Finished difference. Result has 101 places, 96 transitions, 234 flow [2024-02-02 09:20:44,786 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=101, PETRI_TRANSITIONS=96} [2024-02-02 09:20:44,787 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -18 predicate places. [2024-02-02 09:20:44,787 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 96 transitions, 234 flow [2024-02-02 09:20:44,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:44,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:44,787 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:20:44,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-02 09:20:44,788 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:44,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:44,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1800401870, now seen corresponding path program 1 times [2024-02-02 09:20:44,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:44,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168493687] [2024-02-02 09:20:44,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:44,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:44,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168493687] [2024-02-02 09:20:44,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168493687] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:44,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:44,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:44,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711002230] [2024-02-02 09:20:44,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:44,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-02 09:20:44,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:44,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-02 09:20:44,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-02 09:20:44,866 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 113 [2024-02-02 09:20:44,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 96 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:44,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:44,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 113 [2024-02-02 09:20:44,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:46,409 INFO L124 PetriNetUnfolderBase]: 12579/21428 cut-off events. [2024-02-02 09:20:46,410 INFO L125 PetriNetUnfolderBase]: For 1240/1240 co-relation queries the response was YES. [2024-02-02 09:20:46,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42410 conditions, 21428 events. 12579/21428 cut-off events. For 1240/1240 co-relation queries the response was YES. Maximal size of possible extension queue 1116. Compared 188249 event pairs, 5825 based on Foata normal form. 1/12971 useless extension candidates. Maximal degree in co-relation 35387. Up to 10660 conditions per place. [2024-02-02 09:20:46,583 INFO L140 encePairwiseOnDemand]: 104/113 looper letters, 117 selfloop transitions, 7 changer transitions 1/158 dead transitions. [2024-02-02 09:20:46,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 158 transitions, 631 flow [2024-02-02 09:20:46,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-02 09:20:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-02 09:20:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 288 transitions. [2024-02-02 09:20:46,584 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6371681415929203 [2024-02-02 09:20:46,584 INFO L175 Difference]: Start difference. First operand has 101 places, 96 transitions, 234 flow. Second operand 4 states and 288 transitions. [2024-02-02 09:20:46,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 158 transitions, 631 flow [2024-02-02 09:20:46,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 158 transitions, 619 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:20:46,588 INFO L231 Difference]: Finished difference. Result has 103 places, 97 transitions, 253 flow [2024-02-02 09:20:46,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=253, PETRI_PLACES=103, PETRI_TRANSITIONS=97} [2024-02-02 09:20:46,589 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -16 predicate places. [2024-02-02 09:20:46,589 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 97 transitions, 253 flow [2024-02-02 09:20:46,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:46,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:46,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:20:46,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-02 09:20:46,590 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:46,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash -22116325, now seen corresponding path program 1 times [2024-02-02 09:20:46,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:46,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102446996] [2024-02-02 09:20:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:46,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-02 09:20:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-02 09:20:46,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-02 09:20:46,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102446996] [2024-02-02 09:20:46,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102446996] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-02 09:20:46,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-02 09:20:46,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-02 09:20:46,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456166542] [2024-02-02 09:20:46,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-02 09:20:46,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-02 09:20:46,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-02 09:20:46,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-02 09:20:46,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-02 09:20:46,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 113 [2024-02-02 09:20:46,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 97 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:46,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-02 09:20:46,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 113 [2024-02-02 09:20:46,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-02 09:20:48,189 INFO L124 PetriNetUnfolderBase]: 12579/21515 cut-off events. [2024-02-02 09:20:48,189 INFO L125 PetriNetUnfolderBase]: For 3741/3741 co-relation queries the response was YES. [2024-02-02 09:20:48,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44580 conditions, 21515 events. 12579/21515 cut-off events. For 3741/3741 co-relation queries the response was YES. Maximal size of possible extension queue 1137. Compared 189848 event pairs, 5316 based on Foata normal form. 0/14507 useless extension candidates. Maximal degree in co-relation 17460. Up to 13445 conditions per place. [2024-02-02 09:20:48,324 INFO L140 encePairwiseOnDemand]: 107/113 looper letters, 90 selfloop transitions, 7 changer transitions 0/130 dead transitions. [2024-02-02 09:20:48,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 130 transitions, 545 flow [2024-02-02 09:20:48,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-02 09:20:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-02 09:20:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2024-02-02 09:20:48,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.640117994100295 [2024-02-02 09:20:48,326 INFO L175 Difference]: Start difference. First operand has 103 places, 97 transitions, 253 flow. Second operand 3 states and 217 transitions. [2024-02-02 09:20:48,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 130 transitions, 545 flow [2024-02-02 09:20:48,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 130 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-02 09:20:48,339 INFO L231 Difference]: Finished difference. Result has 103 places, 100 transitions, 287 flow [2024-02-02 09:20:48,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=113, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=287, PETRI_PLACES=103, PETRI_TRANSITIONS=100} [2024-02-02 09:20:48,340 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -16 predicate places. [2024-02-02 09:20:48,340 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 100 transitions, 287 flow [2024-02-02 09:20:48,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-02 09:20:48,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-02 09:20:48,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:20:48,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-02-02 09:20:48,341 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 100 more)] === [2024-02-02 09:20:48,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-02 09:20:48,341 INFO L85 PathProgramCache]: Analyzing trace with hash -685605495, now seen corresponding path program 1 times [2024-02-02 09:20:48,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-02 09:20:48,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509130583] [2024-02-02 09:20:48,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-02 09:20:48,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-02 09:20:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:20:48,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-02 09:20:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-02 09:20:48,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-02 09:20:48,376 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-02 09:20:48,377 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 103 remaining) [2024-02-02 09:20:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 103 remaining) [2024-02-02 09:20:48,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 103 remaining) [2024-02-02 09:20:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 103 remaining) [2024-02-02 09:20:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 103 remaining) [2024-02-02 09:20:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 103 remaining) [2024-02-02 09:20:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 103 remaining) [2024-02-02 09:20:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 103 remaining) [2024-02-02 09:20:48,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 103 remaining) [2024-02-02 09:20:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 103 remaining) [2024-02-02 09:20:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 103 remaining) [2024-02-02 09:20:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 103 remaining) [2024-02-02 09:20:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 103 remaining) [2024-02-02 09:20:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 103 remaining) [2024-02-02 09:20:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 103 remaining) [2024-02-02 09:20:48,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 103 remaining) [2024-02-02 09:20:48,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 103 remaining) [2024-02-02 09:20:48,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 103 remaining) [2024-02-02 09:20:48,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 103 remaining) [2024-02-02 09:20:48,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 103 remaining) [2024-02-02 09:20:48,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 103 remaining) [2024-02-02 09:20:48,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 103 remaining) [2024-02-02 09:20:48,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 103 remaining) [2024-02-02 09:20:48,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 103 remaining) [2024-02-02 09:20:48,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 103 remaining) [2024-02-02 09:20:48,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 103 remaining) [2024-02-02 09:20:48,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 103 remaining) [2024-02-02 09:20:48,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 103 remaining) [2024-02-02 09:20:48,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 103 remaining) [2024-02-02 09:20:48,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 103 remaining) [2024-02-02 09:20:48,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 103 remaining) [2024-02-02 09:20:48,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 103 remaining) [2024-02-02 09:20:48,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 103 remaining) [2024-02-02 09:20:48,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 103 remaining) [2024-02-02 09:20:48,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 103 remaining) [2024-02-02 09:20:48,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 103 remaining) [2024-02-02 09:20:48,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 103 remaining) [2024-02-02 09:20:48,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 103 remaining) [2024-02-02 09:20:48,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 103 remaining) [2024-02-02 09:20:48,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 103 remaining) [2024-02-02 09:20:48,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 103 remaining) [2024-02-02 09:20:48,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 103 remaining) [2024-02-02 09:20:48,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 103 remaining) [2024-02-02 09:20:48,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 103 remaining) [2024-02-02 09:20:48,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 103 remaining) [2024-02-02 09:20:48,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 103 remaining) [2024-02-02 09:20:48,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 103 remaining) [2024-02-02 09:20:48,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 103 remaining) [2024-02-02 09:20:48,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 103 remaining) [2024-02-02 09:20:48,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 103 remaining) [2024-02-02 09:20:48,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 103 remaining) [2024-02-02 09:20:48,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 103 remaining) [2024-02-02 09:20:48,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 103 remaining) [2024-02-02 09:20:48,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 103 remaining) [2024-02-02 09:20:48,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (48 of 103 remaining) [2024-02-02 09:20:48,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 103 remaining) [2024-02-02 09:20:48,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 103 remaining) [2024-02-02 09:20:48,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 103 remaining) [2024-02-02 09:20:48,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 103 remaining) [2024-02-02 09:20:48,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 103 remaining) [2024-02-02 09:20:48,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 103 remaining) [2024-02-02 09:20:48,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 103 remaining) [2024-02-02 09:20:48,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 103 remaining) [2024-02-02 09:20:48,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 103 remaining) [2024-02-02 09:20:48,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 103 remaining) [2024-02-02 09:20:48,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 103 remaining) [2024-02-02 09:20:48,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 103 remaining) [2024-02-02 09:20:48,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 103 remaining) [2024-02-02 09:20:48,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 103 remaining) [2024-02-02 09:20:48,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 103 remaining) [2024-02-02 09:20:48,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 103 remaining) [2024-02-02 09:20:48,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 103 remaining) [2024-02-02 09:20:48,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 103 remaining) [2024-02-02 09:20:48,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 103 remaining) [2024-02-02 09:20:48,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 103 remaining) [2024-02-02 09:20:48,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 103 remaining) [2024-02-02 09:20:48,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 103 remaining) [2024-02-02 09:20:48,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 103 remaining) [2024-02-02 09:20:48,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 103 remaining) [2024-02-02 09:20:48,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 103 remaining) [2024-02-02 09:20:48,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 103 remaining) [2024-02-02 09:20:48,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 103 remaining) [2024-02-02 09:20:48,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 103 remaining) [2024-02-02 09:20:48,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 103 remaining) [2024-02-02 09:20:48,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 103 remaining) [2024-02-02 09:20:48,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 103 remaining) [2024-02-02 09:20:48,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 103 remaining) [2024-02-02 09:20:48,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 103 remaining) [2024-02-02 09:20:48,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 103 remaining) [2024-02-02 09:20:48,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 103 remaining) [2024-02-02 09:20:48,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 103 remaining) [2024-02-02 09:20:48,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 103 remaining) [2024-02-02 09:20:48,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 103 remaining) [2024-02-02 09:20:48,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 103 remaining) [2024-02-02 09:20:48,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 103 remaining) [2024-02-02 09:20:48,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 103 remaining) [2024-02-02 09:20:48,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 103 remaining) [2024-02-02 09:20:48,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 103 remaining) [2024-02-02 09:20:48,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 103 remaining) [2024-02-02 09:20:48,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 103 remaining) [2024-02-02 09:20:48,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 103 remaining) [2024-02-02 09:20:48,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 103 remaining) [2024-02-02 09:20:48,395 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 103 remaining) [2024-02-02 09:20:48,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-02-02 09:20:48,396 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-02 09:20:48,404 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-02 09:20:48,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-02 09:20:48,430 INFO L503 ceAbstractionStarter]: Automizer considered 54 witness invariants [2024-02-02 09:20:48,430 INFO L504 ceAbstractionStarter]: WitnessConsidered=54 [2024-02-02 09:20:48,432 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:20:48 BasicIcfg [2024-02-02 09:20:48,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-02 09:20:48,434 INFO L158 Benchmark]: Toolchain (without parser) took 15181.32ms. Allocated memory was 155.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 93.0MB in the beginning and 1.1GB in the end (delta: -965.0MB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-02-02 09:20:48,435 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory was 117.4MB in the beginning and 117.2MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:20:48,436 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-02 09:20:48,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.92ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 72.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-02-02 09:20:48,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.18ms. Allocated memory is still 155.2MB. Free memory was 72.9MB in the beginning and 70.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-02 09:20:48,437 INFO L158 Benchmark]: Boogie Preprocessor took 52.75ms. Allocated memory is still 155.2MB. Free memory was 70.3MB in the beginning and 67.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-02 09:20:48,437 INFO L158 Benchmark]: RCFGBuilder took 999.08ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 54.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-02-02 09:20:48,437 INFO L158 Benchmark]: TraceAbstraction took 13612.93ms. Allocated memory was 155.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 53.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2024-02-02 09:20:48,438 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory was 117.4MB in the beginning and 117.2MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.92ms. Allocated memory is still 155.2MB. Free memory was 92.6MB in the beginning and 72.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.18ms. Allocated memory is still 155.2MB. Free memory was 72.9MB in the beginning and 70.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.75ms. Allocated memory is still 155.2MB. Free memory was 70.3MB in the beginning and 67.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 999.08ms. Allocated memory is still 155.2MB. Free memory was 67.4MB in the beginning and 54.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13612.93ms. Allocated memory was 155.2MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 53.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 2.3GB. 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] int m1, m2, m3, s, t, x; [L39] _Bool b; [L102] pthread_t t1, t2, t3; VAL [b=0, m1=0, m2=0, m3=0, s=0, t1={6:0}, t2={3:0}, t3={5:0}, t=0, x=0] [L105] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[m2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[m3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L105] m1 = __VERIFIER_nondet_int() [L106] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[m3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L106] m2 = __VERIFIER_nondet_int() [L107] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L107] m3 = __VERIFIER_nondet_int() [L108] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L108] s = __VERIFIER_nondet_int() [L109] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L109] t = __VERIFIER_nondet_int() [L110] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L110] x = __VERIFIER_nondet_int() [L111] CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]] [L111] b = __VERIFIER_nondet_bool() [L114] CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [b=2, m1=0, m2=0, m3=0, s=0, t1={6:0}, t2={3:0}, t3={5:0}, t=0, x=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: 54]: 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: 60]: 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: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 73]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: 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: 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: 88]: 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: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 96]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 98]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 108]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 111]: 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: 124]: 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: 116]: 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: 118]: 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: 117]: 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 7 procedures, 197 locations, 103 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: 13.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1051 IncrementalHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 37 mSDtfsCounter, 1051 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=7, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-02 09:20:48,475 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