./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.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/popl20-mult-equiv.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27552612 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/popl20-mult-equiv.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-mult-equiv.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-2755261-m [2024-01-26 15:22:05,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 15:22:05,577 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-26 15:22:05,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 15:22:05,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 15:22:05,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 15:22:05,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 15:22:05,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 15:22:05,595 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-26 15:22:05,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-26 15:22:05,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 15:22:05,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 15:22:05,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 15:22:05,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 15:22:05,597 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 15:22:05,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 15:22:05,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 15:22:05,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 15:22:05,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 15:22:05,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 15:22:05,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 15:22:05,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 15:22:05,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 15:22:05,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 15:22:05,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-26 15:22:05,613 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 15:22:05,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 15:22:05,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 15:22:05,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 15:22:05,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 15:22:05,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-26 15:22:05,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 15:22:05,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:22:05,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 15:22:05,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 15:22:05,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 15:22:05,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 15:22:05,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 15:22:05,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 15:22:05,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-26 15:22:05,616 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 15:22:05,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-26 15:22:05,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-26 15:22:05,617 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-26 15:22:05,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 15:22:05,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 15:22:05,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 15:22:05,860 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-26 15:22:05,862 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-26 15:22:05,863 INFO L431 ainManager$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/popl20-mult-equiv.wvr.yml/witness.yml [2024-01-26 15:22:06,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 15:22:06,009 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 15:22:06,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-26 15:22:06,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 15:22:07,187 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 15:22:07,188 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-26 15:22:07,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdb3b5015/169b0b8874bd4dd197d8a628cab4b8aa/FLAG390aac144 [2024-01-26 15:22:07,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdb3b5015/169b0b8874bd4dd197d8a628cab4b8aa [2024-01-26 15:22:07,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 15:22:07,217 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 15:22:07,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 15:22:07,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 15:22:07,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 15:22:07,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:22:06" (1/2) ... [2024-01-26 15:22:07,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad5406d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:07, skipping insertion in model container [2024-01-26 15:22:07,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:22:06" (1/2) ... [2024-01-26 15:22:07,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dae5d17 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 26.01 03:22:07, skipping insertion in model container [2024-01-26 15:22:07,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:22:07" (2/2) ... [2024-01-26 15:22:07,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad5406d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07, skipping insertion in model container [2024-01-26 15:22:07,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 03:22:07" (2/2) ... [2024-01-26 15:22:07,228 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-26 15:22:07,254 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-26 15:22:07,255 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,255 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,255 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,255 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] N == 0U [2024-01-26 15:22:07,255 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] p == 0U [2024-01-26 15:22:07,256 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] q == 0U [2024-01-26 15:22:07,256 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,256 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 1U <= N [2024-01-26 15:22:07,256 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] N != 0U [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] p == 0U [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] q == 0U [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 2U <= N [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] N != 0U [2024-01-26 15:22:07,257 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,258 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] p == 0U [2024-01-26 15:22:07,258 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] M == 0U [2024-01-26 15:22:07,258 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] q == 0U [2024-01-26 15:22:07,258 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] N == 0U [2024-01-26 15:22:07,258 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,258 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,259 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,259 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 2U <= N [2024-01-26 15:22:07,259 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] N != 0U [2024-01-26 15:22:07,259 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,259 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] N == 0U [2024-01-26 15:22:07,259 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] M == 0U [2024-01-26 15:22:07,259 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] q == 0U [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] p == 0U [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] N != 0U [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 1U <= N [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Loop invariant at [L79-L84] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] N <= 4294967294U [2024-01-26 15:22:07,260 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,261 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,262 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,262 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,262 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,262 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,262 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] p == 0U [2024-01-26 15:22:07,262 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] q == 0U [2024-01-26 15:22:07,262 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] L == 0U [2024-01-26 15:22:07,263 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] N == 0U [2024-01-26 15:22:07,263 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] M == 0U [2024-01-26 15:22:07,263 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,263 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,263 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] N <= 4294967293U [2024-01-26 15:22:07,264 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L68] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,264 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,264 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,264 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,265 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,265 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,265 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,265 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,265 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-26 15:22:07,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 15:22:07,431 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/popl20-mult-equiv.wvr.c[2630,2643] [2024-01-26 15:22:07,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:22:07,445 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-26 15:22:07,522 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/popl20-mult-equiv.wvr.c[2630,2643] [2024-01-26 15:22:07,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 15:22:07,536 INFO L206 MainTranslator]: Completed translation [2024-01-26 15:22:07,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07 WrapperNode [2024-01-26 15:22:07,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 15:22:07,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 15:22:07,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 15:22:07,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 15:22:07,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,563 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-01-26 15:22:07,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 15:22:07,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 15:22:07,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 15:22:07,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 15:22:07,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,591 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]. [2024-01-26 15:22:07,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 15:22:07,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 15:22:07,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 15:22:07,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 15:22:07,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (1/1) ... [2024-01-26 15:22:07,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-26 15:22:07,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-26 15:22:07,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-26 15:22:07,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-26 15:22:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 15:22:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 15:22:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 15:22:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 15:22:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 15:22:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 15:22:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-26 15:22:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 15:22:07,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-26 15:22:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-26 15:22:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 15:22:07,683 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 15:22:07,790 INFO L244 CfgBuilder]: Building ICFG [2024-01-26 15:22:07,792 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 15:22:08,292 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-26 15:22:08,292 INFO L293 CfgBuilder]: Performing block encoding [2024-01-26 15:22:08,529 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 15:22:08,529 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 15:22:08,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:22:08 BoogieIcfgContainer [2024-01-26 15:22:08,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 15:22:08,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 15:22:08,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 15:22:08,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 15:22:08,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 26.01 03:22:06" (1/4) ... [2024-01-26 15:22:08,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585b9a61 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 26.01 03:22:08, skipping insertion in model container [2024-01-26 15:22:08,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 03:22:07" (2/4) ... [2024-01-26 15:22:08,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585b9a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:22:08, skipping insertion in model container [2024-01-26 15:22:08,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 03:22:07" (3/4) ... [2024-01-26 15:22:08,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@585b9a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 03:22:08, skipping insertion in model container [2024-01-26 15:22:08,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 03:22:08" (4/4) ... [2024-01-26 15:22:08,539 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-01-26 15:22:08,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 15:22:08,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-01-26 15:22:08,553 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 15:22:08,615 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 15:22:08,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 127 transitions, 275 flow [2024-01-26 15:22:08,699 INFO L124 PetriNetUnfolderBase]: 3/124 cut-off events. [2024-01-26 15:22:08,700 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-26 15:22:08,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 3/124 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 445 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-01-26 15:22:08,703 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 127 transitions, 275 flow [2024-01-26 15:22:08,709 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 123 transitions, 264 flow [2024-01-26 15:22:08,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-26 15:22:08,727 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;@3b059413, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 15:22:08,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2024-01-26 15:22:08,729 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-26 15:22:08,729 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-26 15:22:08,729 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-26 15:22:08,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:08,730 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-26 15:22:08,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-26 15:22:08,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:08,734 INFO L85 PathProgramCache]: Analyzing trace with hash 17378, now seen corresponding path program 1 times [2024-01-26 15:22:08,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:08,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583618141] [2024-01-26 15:22:08,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:08,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:08,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:08,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:08,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583618141] [2024-01-26 15:22:08,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583618141] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:08,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:08,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:08,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258378468] [2024-01-26 15:22:08,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:08,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:08,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:08,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:08,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:08,990 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 127 [2024-01-26 15:22:08,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 123 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:08,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:08,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 127 [2024-01-26 15:22:08,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:09,756 INFO L124 PetriNetUnfolderBase]: 3189/5673 cut-off events. [2024-01-26 15:22:09,756 INFO L125 PetriNetUnfolderBase]: For 99/99 co-relation queries the response was YES. [2024-01-26 15:22:09,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10608 conditions, 5673 events. 3189/5673 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 47312 event pairs, 3080 based on Foata normal form. 2/3404 useless extension candidates. Maximal degree in co-relation 9991. Up to 4616 conditions per place. [2024-01-26 15:22:09,791 INFO L140 encePairwiseOnDemand]: 101/127 looper letters, 39 selfloop transitions, 2 changer transitions 0/99 dead transitions. [2024-01-26 15:22:09,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 99 transitions, 298 flow [2024-01-26 15:22:09,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:22:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:22:09,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2024-01-26 15:22:09,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6509186351706037 [2024-01-26 15:22:09,803 INFO L175 Difference]: Start difference. First operand has 130 places, 123 transitions, 264 flow. Second operand 3 states and 248 transitions. [2024-01-26 15:22:09,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 99 transitions, 298 flow [2024-01-26 15:22:09,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 99 transitions, 286 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-26 15:22:09,814 INFO L231 Difference]: Finished difference. Result has 102 places, 99 transitions, 208 flow [2024-01-26 15:22:09,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=102, PETRI_TRANSITIONS=99} [2024-01-26 15:22:09,818 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -28 predicate places. [2024-01-26 15:22:09,818 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 99 transitions, 208 flow [2024-01-26 15:22:09,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:09,819 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:09,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-26 15:22:09,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 15:22:09,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-26 15:22:09,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 539348, now seen corresponding path program 1 times [2024-01-26 15:22:09,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:09,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534363896] [2024-01-26 15:22:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:09,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:09,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534363896] [2024-01-26 15:22:09,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534363896] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:09,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:09,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:09,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160112814] [2024-01-26 15:22:09,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:09,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:09,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:09,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:09,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:09,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 127 [2024-01-26 15:22:09,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 99 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:09,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:09,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 127 [2024-01-26 15:22:09,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:10,473 INFO L124 PetriNetUnfolderBase]: 3189/5670 cut-off events. [2024-01-26 15:22:10,473 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-01-26 15:22:10,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10423 conditions, 5670 events. 3189/5670 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 47446 event pairs, 3080 based on Foata normal form. 2/3403 useless extension candidates. Maximal degree in co-relation 10400. Up to 4615 conditions per place. [2024-01-26 15:22:10,521 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 39 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-26 15:22:10,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 96 transitions, 284 flow [2024-01-26 15:22:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:22:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:22:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-01-26 15:22:10,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5879265091863517 [2024-01-26 15:22:10,524 INFO L175 Difference]: Start difference. First operand has 102 places, 99 transitions, 208 flow. Second operand 3 states and 224 transitions. [2024-01-26 15:22:10,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 96 transitions, 284 flow [2024-01-26 15:22:10,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:22:10,527 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 202 flow [2024-01-26 15:22:10,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-01-26 15:22:10,528 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -31 predicate places. [2024-01-26 15:22:10,528 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 202 flow [2024-01-26 15:22:10,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:10,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:10,529 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-26 15:22:10,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-26 15:22:10,529 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-26 15:22:10,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:10,530 INFO L85 PathProgramCache]: Analyzing trace with hash 16720402, now seen corresponding path program 1 times [2024-01-26 15:22:10,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:10,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403429340] [2024-01-26 15:22:10,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:10,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:10,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:10,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403429340] [2024-01-26 15:22:10,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403429340] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:10,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:10,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:10,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352767111] [2024-01-26 15:22:10,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:10,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:10,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:10,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:10,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:10,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 127 [2024-01-26 15:22:10,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:10,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:10,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 127 [2024-01-26 15:22:10,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:11,080 INFO L124 PetriNetUnfolderBase]: 3766/6404 cut-off events. [2024-01-26 15:22:11,081 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-26 15:22:11,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11988 conditions, 6404 events. 3766/6404 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 52651 event pairs, 3657 based on Foata normal form. 1/3724 useless extension candidates. Maximal degree in co-relation 11960. Up to 5448 conditions per place. [2024-01-26 15:22:11,114 INFO L140 encePairwiseOnDemand]: 124/127 looper letters, 40 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2024-01-26 15:22:11,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 284 flow [2024-01-26 15:22:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:22:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:22:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-01-26 15:22:11,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5931758530183727 [2024-01-26 15:22:11,118 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 202 flow. Second operand 3 states and 226 transitions. [2024-01-26 15:22:11,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 284 flow [2024-01-26 15:22:11,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:22:11,121 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 200 flow [2024-01-26 15:22:11,121 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2024-01-26 15:22:11,122 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -32 predicate places. [2024-01-26 15:22:11,122 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 200 flow [2024-01-26 15:22:11,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:11,122 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:11,122 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-26 15:22:11,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-26 15:22:11,123 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-26 15:22:11,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:11,123 INFO L85 PathProgramCache]: Analyzing trace with hash 518333044, now seen corresponding path program 1 times [2024-01-26 15:22:11,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:11,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639756966] [2024-01-26 15:22:11,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:11,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:11,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:11,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639756966] [2024-01-26 15:22:11,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639756966] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:11,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:11,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:11,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142106254] [2024-01-26 15:22:11,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:11,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:11,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:11,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:11,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:11,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 127 [2024-01-26 15:22:11,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:11,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:11,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 127 [2024-01-26 15:22:11,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:11,780 INFO L124 PetriNetUnfolderBase]: 4869/9270 cut-off events. [2024-01-26 15:22:11,780 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-01-26 15:22:11,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16462 conditions, 9270 events. 4869/9270 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 84839 event pairs, 2367 based on Foata normal form. 4/5920 useless extension candidates. Maximal degree in co-relation 16448. Up to 3563 conditions per place. [2024-01-26 15:22:11,825 INFO L140 encePairwiseOnDemand]: 120/127 looper letters, 69 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-01-26 15:22:11,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 121 transitions, 397 flow [2024-01-26 15:22:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:22:11,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:22:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-26 15:22:11,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-26 15:22:11,827 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 200 flow. Second operand 3 states and 253 transitions. [2024-01-26 15:22:11,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 121 transitions, 397 flow [2024-01-26 15:22:11,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 121 transitions, 393 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-26 15:22:11,829 INFO L231 Difference]: Finished difference. Result has 95 places, 92 transitions, 200 flow [2024-01-26 15:22:11,830 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=95, PETRI_TRANSITIONS=92} [2024-01-26 15:22:11,830 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -35 predicate places. [2024-01-26 15:22:11,830 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 92 transitions, 200 flow [2024-01-26 15:22:11,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:11,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:11,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-26 15:22:11,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-26 15:22:11,831 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-26 15:22:11,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:11,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1111544262, now seen corresponding path program 1 times [2024-01-26 15:22:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:11,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637137063] [2024-01-26 15:22:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:11,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:11,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:11,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637137063] [2024-01-26 15:22:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637137063] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:11,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:11,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-26 15:22:11,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991754639] [2024-01-26 15:22:11,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:11,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-26 15:22:11,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-26 15:22:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-26 15:22:11,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 127 [2024-01-26 15:22:11,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 92 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:11,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:11,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 127 [2024-01-26 15:22:11,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:12,741 INFO L124 PetriNetUnfolderBase]: 7317/13284 cut-off events. [2024-01-26 15:22:12,741 INFO L125 PetriNetUnfolderBase]: For 770/787 co-relation queries the response was YES. [2024-01-26 15:22:12,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24702 conditions, 13284 events. 7317/13284 cut-off events. For 770/787 co-relation queries the response was YES. Maximal size of possible extension queue 933. Compared 118281 event pairs, 2255 based on Foata normal form. 1/9288 useless extension candidates. Maximal degree in co-relation 12045. Up to 6983 conditions per place. [2024-01-26 15:22:12,789 INFO L140 encePairwiseOnDemand]: 119/127 looper letters, 70 selfloop transitions, 3 changer transitions 0/119 dead transitions. [2024-01-26 15:22:12,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 119 transitions, 412 flow [2024-01-26 15:22:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-26 15:22:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-26 15:22:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-26 15:22:12,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-26 15:22:12,791 INFO L175 Difference]: Start difference. First operand has 95 places, 92 transitions, 200 flow. Second operand 3 states and 253 transitions. [2024-01-26 15:22:12,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 119 transitions, 412 flow [2024-01-26 15:22:12,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 119 transitions, 409 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-26 15:22:12,793 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 209 flow [2024-01-26 15:22:12,793 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2024-01-26 15:22:12,794 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -37 predicate places. [2024-01-26 15:22:12,794 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 209 flow [2024-01-26 15:22:12,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:12,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:12,794 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:22:12,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-26 15:22:12,795 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-26 15:22:12,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:12,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1775045757, now seen corresponding path program 1 times [2024-01-26 15:22:12,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:12,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748247220] [2024-01-26 15:22:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 15:22:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 15:22:12,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 15:22:12,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748247220] [2024-01-26 15:22:12,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748247220] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 15:22:12,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 15:22:12,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-26 15:22:12,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028521858] [2024-01-26 15:22:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 15:22:12,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-26 15:22:12,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 15:22:12,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-26 15:22:12,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-26 15:22:12,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 127 [2024-01-26 15:22:12,884 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 209 flow. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:12,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-26 15:22:12,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 127 [2024-01-26 15:22:12,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-26 15:22:13,461 INFO L124 PetriNetUnfolderBase]: 6021/10039 cut-off events. [2024-01-26 15:22:13,462 INFO L125 PetriNetUnfolderBase]: For 1455/1559 co-relation queries the response was YES. [2024-01-26 15:22:13,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20376 conditions, 10039 events. 6021/10039 cut-off events. For 1455/1559 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 80501 event pairs, 325 based on Foata normal form. 1420/9993 useless extension candidates. Maximal degree in co-relation 9969. Up to 7886 conditions per place. [2024-01-26 15:22:13,510 INFO L140 encePairwiseOnDemand]: 116/127 looper letters, 59 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-01-26 15:22:13,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 100 transitions, 362 flow [2024-01-26 15:22:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-26 15:22:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-26 15:22:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 289 transitions. [2024-01-26 15:22:13,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5688976377952756 [2024-01-26 15:22:13,512 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 209 flow. Second operand 4 states and 289 transitions. [2024-01-26 15:22:13,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 100 transitions, 362 flow [2024-01-26 15:22:13,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 100 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-26 15:22:13,514 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 192 flow [2024-01-26 15:22:13,514 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2024-01-26 15:22:13,515 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -44 predicate places. [2024-01-26 15:22:13,515 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 192 flow [2024-01-26 15:22:13,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 15:22:13,515 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-26 15:22:13,516 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:22:13,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-26 15:22:13,516 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-26 15:22:13,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 15:22:13,516 INFO L85 PathProgramCache]: Analyzing trace with hash 808157035, now seen corresponding path program 1 times [2024-01-26 15:22:13,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 15:22:13,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24043327] [2024-01-26 15:22:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 15:22:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 15:22:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:22:13,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-26 15:22:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-26 15:22:13,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-26 15:22:13,547 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-26 15:22:13,548 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 116 remaining) [2024-01-26 15:22:13,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 116 remaining) [2024-01-26 15:22:13,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 116 remaining) [2024-01-26 15:22:13,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 116 remaining) [2024-01-26 15:22:13,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 116 remaining) [2024-01-26 15:22:13,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 116 remaining) [2024-01-26 15:22:13,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 116 remaining) [2024-01-26 15:22:13,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 116 remaining) [2024-01-26 15:22:13,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 116 remaining) [2024-01-26 15:22:13,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 116 remaining) [2024-01-26 15:22:13,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 116 remaining) [2024-01-26 15:22:13,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 116 remaining) [2024-01-26 15:22:13,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 116 remaining) [2024-01-26 15:22:13,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 116 remaining) [2024-01-26 15:22:13,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 116 remaining) [2024-01-26 15:22:13,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 116 remaining) [2024-01-26 15:22:13,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 116 remaining) [2024-01-26 15:22:13,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 116 remaining) [2024-01-26 15:22:13,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 116 remaining) [2024-01-26 15:22:13,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 116 remaining) [2024-01-26 15:22:13,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 116 remaining) [2024-01-26 15:22:13,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 116 remaining) [2024-01-26 15:22:13,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 116 remaining) [2024-01-26 15:22:13,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 116 remaining) [2024-01-26 15:22:13,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 116 remaining) [2024-01-26 15:22:13,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 116 remaining) [2024-01-26 15:22:13,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 116 remaining) [2024-01-26 15:22:13,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 116 remaining) [2024-01-26 15:22:13,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 116 remaining) [2024-01-26 15:22:13,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 116 remaining) [2024-01-26 15:22:13,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 116 remaining) [2024-01-26 15:22:13,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 116 remaining) [2024-01-26 15:22:13,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 116 remaining) [2024-01-26 15:22:13,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 116 remaining) [2024-01-26 15:22:13,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 116 remaining) [2024-01-26 15:22:13,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 116 remaining) [2024-01-26 15:22:13,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 116 remaining) [2024-01-26 15:22:13,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 116 remaining) [2024-01-26 15:22:13,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 116 remaining) [2024-01-26 15:22:13,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 116 remaining) [2024-01-26 15:22:13,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 116 remaining) [2024-01-26 15:22:13,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 116 remaining) [2024-01-26 15:22:13,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 116 remaining) [2024-01-26 15:22:13,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 116 remaining) [2024-01-26 15:22:13,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 116 remaining) [2024-01-26 15:22:13,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 116 remaining) [2024-01-26 15:22:13,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 116 remaining) [2024-01-26 15:22:13,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 116 remaining) [2024-01-26 15:22:13,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 116 remaining) [2024-01-26 15:22:13,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 116 remaining) [2024-01-26 15:22:13,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 116 remaining) [2024-01-26 15:22:13,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 116 remaining) [2024-01-26 15:22:13,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 116 remaining) [2024-01-26 15:22:13,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 116 remaining) [2024-01-26 15:22:13,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 116 remaining) [2024-01-26 15:22:13,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 116 remaining) [2024-01-26 15:22:13,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 116 remaining) [2024-01-26 15:22:13,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 116 remaining) [2024-01-26 15:22:13,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 116 remaining) [2024-01-26 15:22:13,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 116 remaining) [2024-01-26 15:22:13,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 116 remaining) [2024-01-26 15:22:13,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 116 remaining) [2024-01-26 15:22:13,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 116 remaining) [2024-01-26 15:22:13,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 116 remaining) [2024-01-26 15:22:13,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (51 of 116 remaining) [2024-01-26 15:22:13,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 116 remaining) [2024-01-26 15:22:13,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 116 remaining) [2024-01-26 15:22:13,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 116 remaining) [2024-01-26 15:22:13,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 116 remaining) [2024-01-26 15:22:13,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 116 remaining) [2024-01-26 15:22:13,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 116 remaining) [2024-01-26 15:22:13,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 116 remaining) [2024-01-26 15:22:13,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 116 remaining) [2024-01-26 15:22:13,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 116 remaining) [2024-01-26 15:22:13,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 116 remaining) [2024-01-26 15:22:13,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 116 remaining) [2024-01-26 15:22:13,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 116 remaining) [2024-01-26 15:22:13,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 116 remaining) [2024-01-26 15:22:13,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 116 remaining) [2024-01-26 15:22:13,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 116 remaining) [2024-01-26 15:22:13,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 116 remaining) [2024-01-26 15:22:13,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 116 remaining) [2024-01-26 15:22:13,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 116 remaining) [2024-01-26 15:22:13,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 116 remaining) [2024-01-26 15:22:13,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 116 remaining) [2024-01-26 15:22:13,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 116 remaining) [2024-01-26 15:22:13,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 116 remaining) [2024-01-26 15:22:13,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 116 remaining) [2024-01-26 15:22:13,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 116 remaining) [2024-01-26 15:22:13,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 116 remaining) [2024-01-26 15:22:13,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 116 remaining) [2024-01-26 15:22:13,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 116 remaining) [2024-01-26 15:22:13,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 116 remaining) [2024-01-26 15:22:13,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 116 remaining) [2024-01-26 15:22:13,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 116 remaining) [2024-01-26 15:22:13,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 116 remaining) [2024-01-26 15:22:13,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 116 remaining) [2024-01-26 15:22:13,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 116 remaining) [2024-01-26 15:22:13,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 116 remaining) [2024-01-26 15:22:13,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 116 remaining) [2024-01-26 15:22:13,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 116 remaining) [2024-01-26 15:22:13,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 116 remaining) [2024-01-26 15:22:13,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 116 remaining) [2024-01-26 15:22:13,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 116 remaining) [2024-01-26 15:22:13,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 116 remaining) [2024-01-26 15:22:13,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 116 remaining) [2024-01-26 15:22:13,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 116 remaining) [2024-01-26 15:22:13,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 116 remaining) [2024-01-26 15:22:13,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 116 remaining) [2024-01-26 15:22:13,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 116 remaining) [2024-01-26 15:22:13,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 116 remaining) [2024-01-26 15:22:13,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 116 remaining) [2024-01-26 15:22:13,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 116 remaining) [2024-01-26 15:22:13,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 116 remaining) [2024-01-26 15:22:13,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 116 remaining) [2024-01-26 15:22:13,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 116 remaining) [2024-01-26 15:22:13,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-26 15:22:13,577 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-26 15:22:13,586 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 15:22:13,587 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 15:22:13,640 INFO L503 ceAbstractionStarter]: Automizer considered 63 witness invariants [2024-01-26 15:22:13,641 INFO L504 ceAbstractionStarter]: WitnessConsidered=63 [2024-01-26 15:22:13,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 03:22:13 BasicIcfg [2024-01-26 15:22:13,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 15:22:13,642 INFO L158 Benchmark]: Toolchain (without parser) took 6425.01ms. Allocated memory was 161.5MB in the beginning and 880.8MB in the end (delta: 719.3MB). Free memory was 128.9MB in the beginning and 417.3MB in the end (delta: -288.4MB). Peak memory consumption was 434.0MB. Max. memory is 16.1GB. [2024-01-26 15:22:13,642 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 88.1MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:22:13,642 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-26 15:22:13,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.83ms. Allocated memory is still 161.5MB. Free memory was 128.9MB in the beginning and 110.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-01-26 15:22:13,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.44ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-26 15:22:13,643 INFO L158 Benchmark]: Boogie Preprocessor took 38.56ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-26 15:22:13,643 INFO L158 Benchmark]: RCFGBuilder took 927.61ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 119.9MB in the end (delta: -13.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-01-26 15:22:13,644 INFO L158 Benchmark]: TraceAbstraction took 5107.34ms. Allocated memory was 161.5MB in the beginning and 880.8MB in the end (delta: 719.3MB). Free memory was 119.9MB in the beginning and 417.3MB in the end (delta: -297.5MB). Peak memory consumption was 422.9MB. Max. memory is 16.1GB. [2024-01-26 15:22:13,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 88.1MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 161.5MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.83ms. Allocated memory is still 161.5MB. Free memory was 128.9MB in the beginning and 110.4MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.44ms. Allocated memory is still 161.5MB. Free memory was 110.4MB in the beginning and 108.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.56ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 927.61ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 119.9MB in the end (delta: -13.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5107.34ms. Allocated memory was 161.5MB in the beginning and 880.8MB in the end (delta: 719.3MB). Free memory was 119.9MB in the beginning and 417.3MB in the end (delta: -297.5MB). Peak memory consumption was 422.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 unsigned int L, M, N, p, q; [L90] 0 pthread_t t1, t2, t3; VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[M],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[L],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] [L92] 0 L = __VERIFIER_nondet_uint() [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[M],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] [L93] 0 M = __VERIFIER_nondet_uint() [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] VAL [N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] [L94] 0 N = L VAL [L=4294967297, N=4294967297, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L97] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] VAL [L=4294967297, N=4294967297, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L97] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] [L97] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [L=4294967297, N=4294967297, _argptr={0:0}, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [L=4294967297, N=4294967297, _argptr={0:0}, _argptr={0:0}, p=0, q=0] [L42] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L42] 1 _Bool cond = N > 0; [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[M],IntegerLiteral[0U]]]] [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [L=4294967297, M=0, N=4294967297, _argptr={0:0}, _argptr={0:0}, cond=1, p=0, q=0] - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - 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: 43]: 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: 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: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: 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: 47]: 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: 48]: 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: 50]: 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: 44]: 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: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: 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: 66]: 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: 67]: 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: 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: 63]: 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: 80]: 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: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: 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: 92]: 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: 92]: 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: 93]: 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: 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: 94]: 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: 97]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: 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: 97]: 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: 99]: 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: 98]: 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, 209 locations, 116 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: 4.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 234 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 530 IncrementalHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 13 mSDtfsCounter, 530 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-26 15:22:13,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE