./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-threaded-sum-3.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3d25acf6 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-threaded-sum-3.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-3d25acf-m [2024-01-30 14:25:45,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-30 14:25:45,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-30 14:25:45,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-30 14:25:45,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-30 14:25:45,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-30 14:25:45,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-30 14:25:45,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-30 14:25:45,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-30 14:25:45,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-30 14:25:45,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-30 14:25:45,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-30 14:25:45,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-30 14:25:45,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-30 14:25:45,244 INFO L153 SettingsManager]: * Use SBE=true [2024-01-30 14:25:45,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-30 14:25:45,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-30 14:25:45,244 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-30 14:25:45,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-30 14:25:45,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-30 14:25:45,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-30 14:25:45,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-30 14:25:45,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-30 14:25:45,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-30 14:25:45,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-30 14:25:45,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-30 14:25:45,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-30 14:25:45,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-30 14:25:45,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-30 14:25:45,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-30 14:25:45,248 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-30 14:25:45,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-30 14:25:45,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:25:45,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-30 14:25:45,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-30 14:25:45,249 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-30 14:25:45,250 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-30 14:25:45,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-30 14:25:45,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-30 14:25:45,250 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-30 14:25:45,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-30 14:25:45,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-30 14:25:45,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-30 14:25:45,251 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-30 14:25:45,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-30 14:25:45,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-30 14:25:45,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-30 14:25:45,477 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-30 14:25:45,477 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-30 14:25:45,478 INFO L431 ainManager$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-threaded-sum-3.wvr.yml/witness.yml [2024-01-30 14:25:45,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-30 14:25:45,609 INFO L274 PluginConnector]: CDTParser initialized [2024-01-30 14:25:45,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-01-30 14:25:46,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-30 14:25:46,818 INFO L384 CDTParser]: Found 1 translation units. [2024-01-30 14:25:46,819 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-01-30 14:25:46,826 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e09370e/2c4cb24c4cb64ad4a28703030e9ed619/FLAG8146b14ce [2024-01-30 14:25:46,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84e09370e/2c4cb24c4cb64ad4a28703030e9ed619 [2024-01-30 14:25:46,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-30 14:25:46,842 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-30 14:25:46,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-30 14:25:46,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-30 14:25:46,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-30 14:25:46,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:25:45" (1/2) ... [2024-01-30 14:25:46,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab08425 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:25:46, skipping insertion in model container [2024-01-30 14:25:46,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:25:45" (1/2) ... [2024-01-30 14:25:46,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ca5815 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 30.01 02:25:46, skipping insertion in model container [2024-01-30 14:25:46,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:25:46" (2/2) ... [2024-01-30 14:25:46,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab08425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:46, skipping insertion in model container [2024-01-30 14:25:46,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.01 02:25:46" (2/2) ... [2024-01-30 14:25:46,852 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-30 14:25:46,887 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-30 14:25:46,891 INFO L98 nessWitnessExtractor]: Location invariant before [L103-L103] ((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U) [2024-01-30 14:25:46,891 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] ((1U <= s) && ((unsigned long )_argptr == 0UL)) && (s != 0U) [2024-01-30 14:25:46,892 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,892 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] ((t <= 4294967294U) && ((unsigned long )_argptr == 0UL)) && (t != 4294967295U) [2024-01-30 14:25:46,892 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,893 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,893 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,893 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,893 INFO L98 nessWitnessExtractor]: Location invariant before [L84-L84] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,893 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,893 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,893 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,894 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,894 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,894 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (t == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:25:46,894 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,894 INFO L98 nessWitnessExtractor]: Location invariant before [L110-L110] (m == 0U) && (c == 0U) [2024-01-30 14:25:46,894 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] ((s <= 4294967294U) && ((unsigned long )_argptr == 0UL)) && (s != 4294967295U) [2024-01-30 14:25:46,894 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:25:46,895 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (t == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:25:46,895 INFO L98 nessWitnessExtractor]: Location invariant before [L104-L104] (((t == 0U) && (m == 0U)) && (c == 0U)) && (u == 0U) [2024-01-30 14:25:46,895 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,895 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Location invariant before [L107-L107] (((1U <= S) && (m == 0U)) && (c == 0U)) && (S != 0U) [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L68] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Location invariant before [L102-L102] (((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U)) && (U == 0U) [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((1U <= t) && ((unsigned long )_argptr == 0UL)) && (t != 0U) [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Loop invariant at [L82-L92] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Location invariant before [L85-L85] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,896 INFO L98 nessWitnessExtractor]: Location invariant before [L87-L87] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,897 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (s == 0U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:25:46,897 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,897 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,897 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,897 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,897 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,897 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (s <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:25:46,899 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (T == 0U)) && (S == 0U)) && (u == 0U)) && (U == 0U) [2024-01-30 14:25:46,899 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] ((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (u == 0U)) && (U == 0U)) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:25:46,899 INFO L98 nessWitnessExtractor]: Location invariant before [L105-L105] ((m == 0U) && (c == 0U)) && (u == 0U) [2024-01-30 14:25:46,899 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,899 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (t <= 4294967294U) && ((unsigned long )_argptr == 0UL) [2024-01-30 14:25:46,900 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,900 INFO L98 nessWitnessExtractor]: Location invariant before [L88-L88] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,900 INFO L98 nessWitnessExtractor]: Location invariant before [L91-L91] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,900 INFO L98 nessWitnessExtractor]: Location invariant before [L101-L101] ((((((s == 0U) && (t == 0U)) && (m == 0U)) && (c == 0U)) && (T == 0U)) && (u == 0U)) && (U == 0U) [2024-01-30 14:25:46,900 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-30 14:25:46,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-30 14:25:47,108 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-threaded-sum-3.wvr.c[2996,3009] [2024-01-30 14:25:47,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:25:47,141 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 [2024-01-30 14:25:47,205 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-threaded-sum-3.wvr.c[2996,3009] [2024-01-30 14:25:47,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-30 14:25:47,218 INFO L206 MainTranslator]: Completed translation [2024-01-30 14:25:47,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47 WrapperNode [2024-01-30 14:25:47,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-30 14:25:47,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-30 14:25:47,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-30 14:25:47,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-30 14:25:47,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,266 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-01-30 14:25:47,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-30 14:25:47,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-30 14:25:47,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-30 14:25:47,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-30 14:25:47,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,290 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]. [2024-01-30 14:25:47,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-30 14:25:47,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-30 14:25:47,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-30 14:25:47,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-30 14:25:47,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (1/1) ... [2024-01-30 14:25:47,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-30 14:25:47,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-30 14:25:47,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-30 14:25:47,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-30 14:25:47,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-30 14:25:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-30 14:25:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-30 14:25:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-30 14:25:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-30 14:25:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-30 14:25:47,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-30 14:25:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-30 14:25:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-30 14:25:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-30 14:25:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-30 14:25:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-30 14:25:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-30 14:25:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-30 14:25:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-30 14:25:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-30 14:25:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-30 14:25:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-30 14:25:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-30 14:25:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-30 14:25:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-30 14:25:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-30 14:25:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-30 14:25:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-30 14:25:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-30 14:25:47,439 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-30 14:25:47,518 INFO L244 CfgBuilder]: Building ICFG [2024-01-30 14:25:47,520 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-30 14:25:47,873 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-30 14:25:47,874 INFO L293 CfgBuilder]: Performing block encoding [2024-01-30 14:25:48,092 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-30 14:25:48,092 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-30 14:25:48,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:25:48 BoogieIcfgContainer [2024-01-30 14:25:48,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-30 14:25:48,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-30 14:25:48,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-30 14:25:48,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-30 14:25:48,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 30.01 02:25:45" (1/4) ... [2024-01-30 14:25:48,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488c3d6e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 30.01 02:25:48, skipping insertion in model container [2024-01-30 14:25:48,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.01 02:25:46" (2/4) ... [2024-01-30 14:25:48,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488c3d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:25:48, skipping insertion in model container [2024-01-30 14:25:48,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.01 02:25:47" (3/4) ... [2024-01-30 14:25:48,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488c3d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 02:25:48, skipping insertion in model container [2024-01-30 14:25:48,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 02:25:48" (4/4) ... [2024-01-30 14:25:48,103 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-01-30 14:25:48,151 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-30 14:25:48,151 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-01-30 14:25:48,152 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-30 14:25:48,229 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-30 14:25:48,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 115 transitions, 251 flow [2024-01-30 14:25:48,315 INFO L124 PetriNetUnfolderBase]: 3/112 cut-off events. [2024-01-30 14:25:48,316 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-30 14:25:48,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 3/112 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 379 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2024-01-30 14:25:48,320 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 115 transitions, 251 flow [2024-01-30 14:25:48,325 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 111 transitions, 240 flow [2024-01-30 14:25:48,332 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-30 14:25:48,337 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;@3dd13ad1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-30 14:25:48,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-01-30 14:25:48,339 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-30 14:25:48,340 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-30 14:25:48,340 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-30 14:25:48,341 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:25:48,341 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-30 14:25:48,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-30 14:25:48,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:25:48,346 INFO L85 PathProgramCache]: Analyzing trace with hash 16852, now seen corresponding path program 1 times [2024-01-30 14:25:48,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:25:48,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780260349] [2024-01-30 14:25:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:25:48,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:25:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:25:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:25:48,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:25:48,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780260349] [2024-01-30 14:25:48,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780260349] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:25:48,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:25:48,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-30 14:25:48,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940230864] [2024-01-30 14:25:48,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:25:48,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:25:48,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:25:48,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:25:48,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:25:49,014 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 115 [2024-01-30 14:25:49,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 111 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:49,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:25:49,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 115 [2024-01-30 14:25:49,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:25:50,016 INFO L124 PetriNetUnfolderBase]: 5151/8698 cut-off events. [2024-01-30 14:25:50,017 INFO L125 PetriNetUnfolderBase]: For 168/168 co-relation queries the response was YES. [2024-01-30 14:25:50,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16502 conditions, 8698 events. 5151/8698 cut-off events. For 168/168 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 73018 event pairs, 5069 based on Foata normal form. 0/5197 useless extension candidates. Maximal degree in co-relation 15154. Up to 7486 conditions per place. [2024-01-30 14:25:50,121 INFO L140 encePairwiseOnDemand]: 99/115 looper letters, 52 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-01-30 14:25:50,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 97 transitions, 320 flow [2024-01-30 14:25:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:25:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:25:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2024-01-30 14:25:50,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5971014492753624 [2024-01-30 14:25:50,135 INFO L175 Difference]: Start difference. First operand has 118 places, 111 transitions, 240 flow. Second operand 3 states and 206 transitions. [2024-01-30 14:25:50,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 97 transitions, 320 flow [2024-01-30 14:25:50,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 308 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-30 14:25:50,167 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 204 flow [2024-01-30 14:25:50,168 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2024-01-30 14:25:50,171 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -18 predicate places. [2024-01-30 14:25:50,171 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 204 flow [2024-01-30 14:25:50,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:50,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:25:50,171 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-30 14:25:50,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-30 14:25:50,172 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-30 14:25:50,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:25:50,173 INFO L85 PathProgramCache]: Analyzing trace with hash 523010, now seen corresponding path program 1 times [2024-01-30 14:25:50,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:25:50,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345226815] [2024-01-30 14:25:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:25:50,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:25:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:25:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:25:50,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:25:50,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345226815] [2024-01-30 14:25:50,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345226815] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:25:50,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:25:50,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:25:50,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234506523] [2024-01-30 14:25:50,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:25:50,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:25:50,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:25:50,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:25:50,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:25:50,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 115 [2024-01-30 14:25:50,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:50,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:25:50,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 115 [2024-01-30 14:25:50,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:25:50,991 INFO L124 PetriNetUnfolderBase]: 5151/8697 cut-off events. [2024-01-30 14:25:50,991 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-01-30 14:25:51,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16288 conditions, 8697 events. 5151/8697 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 625. Compared 72926 event pairs, 5069 based on Foata normal form. 0/5197 useless extension candidates. Maximal degree in co-relation 16279. Up to 7484 conditions per place. [2024-01-30 14:25:51,061 INFO L140 encePairwiseOnDemand]: 112/115 looper letters, 51 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2024-01-30 14:25:51,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 96 transitions, 308 flow [2024-01-30 14:25:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:25:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:25:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2024-01-30 14:25:51,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5652173913043478 [2024-01-30 14:25:51,067 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 204 flow. Second operand 3 states and 195 transitions. [2024-01-30 14:25:51,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 96 transitions, 308 flow [2024-01-30 14:25:51,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:25:51,070 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 202 flow [2024-01-30 14:25:51,070 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, 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} [2024-01-30 14:25:51,071 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-01-30 14:25:51,071 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 202 flow [2024-01-30 14:25:51,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:51,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:25:51,071 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-30 14:25:51,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-30 14:25:51,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-30 14:25:51,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:25:51,074 INFO L85 PathProgramCache]: Analyzing trace with hash 16213845, now seen corresponding path program 1 times [2024-01-30 14:25:51,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:25:51,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720826685] [2024-01-30 14:25:51,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:25:51,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:25:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:25:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:25:51,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:25:51,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720826685] [2024-01-30 14:25:51,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720826685] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:25:51,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:25:51,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:25:51,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051639631] [2024-01-30 14:25:51,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:25:51,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:25:51,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:25:51,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:25:51,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:25:51,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 115 [2024-01-30 14:25:51,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:51,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:25:51,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 115 [2024-01-30 14:25:51,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:25:52,362 INFO L124 PetriNetUnfolderBase]: 7866/14531 cut-off events. [2024-01-30 14:25:52,362 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-01-30 14:25:52,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25843 conditions, 14531 events. 7866/14531 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 907. Compared 134680 event pairs, 2784 based on Foata normal form. 0/9204 useless extension candidates. Maximal degree in co-relation 25832. Up to 5935 conditions per place. [2024-01-30 14:25:52,453 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 82 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2024-01-30 14:25:52,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 130 transitions, 449 flow [2024-01-30 14:25:52,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:25:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:25:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 232 transitions. [2024-01-30 14:25:52,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.672463768115942 [2024-01-30 14:25:52,455 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 202 flow. Second operand 3 states and 232 transitions. [2024-01-30 14:25:52,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 130 transitions, 449 flow [2024-01-30 14:25:52,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 130 transitions, 445 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:25:52,458 INFO L231 Difference]: Finished difference. Result has 99 places, 97 transitions, 219 flow [2024-01-30 14:25:52,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=99, PETRI_TRANSITIONS=97} [2024-01-30 14:25:52,458 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-01-30 14:25:52,459 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 97 transitions, 219 flow [2024-01-30 14:25:52,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:52,459 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:25:52,459 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-30 14:25:52,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-30 14:25:52,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-30 14:25:52,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:25:52,460 INFO L85 PathProgramCache]: Analyzing trace with hash 502629790, now seen corresponding path program 1 times [2024-01-30 14:25:52,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:25:52,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752884001] [2024-01-30 14:25:52,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:25:52,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:25:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:25:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:25:52,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:25:52,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752884001] [2024-01-30 14:25:52,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752884001] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:25:52,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:25:52,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:25:52,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055446038] [2024-01-30 14:25:52,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:25:52,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:25:52,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:25:52,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:25:52,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:25:52,525 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 115 [2024-01-30 14:25:52,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 97 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:52,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:25:52,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 115 [2024-01-30 14:25:52,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:25:53,758 INFO L124 PetriNetUnfolderBase]: 8714/15984 cut-off events. [2024-01-30 14:25:53,758 INFO L125 PetriNetUnfolderBase]: For 1378/1392 co-relation queries the response was YES. [2024-01-30 14:25:53,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29453 conditions, 15984 events. 8714/15984 cut-off events. For 1378/1392 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 143055 event pairs, 3264 based on Foata normal form. 8/10823 useless extension candidates. Maximal degree in co-relation 6028. Up to 6317 conditions per place. [2024-01-30 14:25:53,867 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 81 selfloop transitions, 5 changer transitions 0/129 dead transitions. [2024-01-30 14:25:53,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 129 transitions, 460 flow [2024-01-30 14:25:53,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:25:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:25:53,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-01-30 14:25:53,869 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6782608695652174 [2024-01-30 14:25:53,869 INFO L175 Difference]: Start difference. First operand has 99 places, 97 transitions, 219 flow. Second operand 3 states and 234 transitions. [2024-01-30 14:25:53,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 129 transitions, 460 flow [2024-01-30 14:25:53,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 129 transitions, 455 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-30 14:25:53,875 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 222 flow [2024-01-30 14:25:53,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-01-30 14:25:53,876 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-01-30 14:25:53,876 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 222 flow [2024-01-30 14:25:53,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:53,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:25:53,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-30 14:25:53,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-30 14:25:53,877 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-30 14:25:53,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:25:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1598345187, now seen corresponding path program 1 times [2024-01-30 14:25:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:25:53,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401623287] [2024-01-30 14:25:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:25:53,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:25:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:25:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:25:53,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:25:53,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401623287] [2024-01-30 14:25:53,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401623287] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:25:53,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:25:53,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:25:53,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395350259] [2024-01-30 14:25:53,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:25:53,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:25:53,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:25:53,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:25:53,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:25:53,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 115 [2024-01-30 14:25:53,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:53,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:25:53,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 115 [2024-01-30 14:25:53,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:25:55,435 INFO L124 PetriNetUnfolderBase]: 11370/20033 cut-off events. [2024-01-30 14:25:55,448 INFO L125 PetriNetUnfolderBase]: For 2374/2388 co-relation queries the response was YES. [2024-01-30 14:25:55,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37685 conditions, 20033 events. 11370/20033 cut-off events. For 2374/2388 co-relation queries the response was YES. Maximal size of possible extension queue 1091. Compared 179539 event pairs, 5812 based on Foata normal form. 8/13534 useless extension candidates. Maximal degree in co-relation 6090. Up to 12189 conditions per place. [2024-01-30 14:25:55,674 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 79 selfloop transitions, 6 changer transitions 0/128 dead transitions. [2024-01-30 14:25:55,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 128 transitions, 469 flow [2024-01-30 14:25:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:25:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:25:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 234 transitions. [2024-01-30 14:25:55,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6782608695652174 [2024-01-30 14:25:55,676 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 222 flow. Second operand 3 states and 234 transitions. [2024-01-30 14:25:55,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 128 transitions, 469 flow [2024-01-30 14:25:55,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 128 transitions, 455 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-30 14:25:55,679 INFO L231 Difference]: Finished difference. Result has 99 places, 98 transitions, 244 flow [2024-01-30 14:25:55,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=99, PETRI_TRANSITIONS=98} [2024-01-30 14:25:55,681 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -19 predicate places. [2024-01-30 14:25:55,681 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 98 transitions, 244 flow [2024-01-30 14:25:55,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:55,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:25:55,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:25:55,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-30 14:25:55,682 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-30 14:25:55,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:25:55,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1990907258, now seen corresponding path program 1 times [2024-01-30 14:25:55,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:25:55,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358272547] [2024-01-30 14:25:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:25:55,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:25:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-30 14:25:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-30 14:25:55,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-30 14:25:55,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358272547] [2024-01-30 14:25:55,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358272547] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-30 14:25:55,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-30 14:25:55,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-30 14:25:55,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185466394] [2024-01-30 14:25:55,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-30 14:25:55,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-30 14:25:55,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-30 14:25:55,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-30 14:25:55,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-30 14:25:55,768 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 115 [2024-01-30 14:25:55,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 98 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:55,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-30 14:25:55,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 115 [2024-01-30 14:25:55,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-30 14:25:57,466 INFO L124 PetriNetUnfolderBase]: 11846/20772 cut-off events. [2024-01-30 14:25:57,466 INFO L125 PetriNetUnfolderBase]: For 3844/3902 co-relation queries the response was YES. [2024-01-30 14:25:57,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40339 conditions, 20772 events. 11846/20772 cut-off events. For 3844/3902 co-relation queries the response was YES. Maximal size of possible extension queue 1145. Compared 186564 event pairs, 6188 based on Foata normal form. 24/14797 useless extension candidates. Maximal degree in co-relation 6475. Up to 12223 conditions per place. [2024-01-30 14:25:57,677 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 79 selfloop transitions, 7 changer transitions 0/129 dead transitions. [2024-01-30 14:25:57,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 129 transitions, 487 flow [2024-01-30 14:25:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-30 14:25:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-30 14:25:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2024-01-30 14:25:57,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6840579710144927 [2024-01-30 14:25:57,679 INFO L175 Difference]: Start difference. First operand has 99 places, 98 transitions, 244 flow. Second operand 3 states and 236 transitions. [2024-01-30 14:25:57,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 129 transitions, 487 flow [2024-01-30 14:25:57,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 129 transitions, 481 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-30 14:25:57,682 INFO L231 Difference]: Finished difference. Result has 100 places, 99 transitions, 269 flow [2024-01-30 14:25:57,683 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=100, PETRI_TRANSITIONS=99} [2024-01-30 14:25:57,686 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -18 predicate places. [2024-01-30 14:25:57,686 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 99 transitions, 269 flow [2024-01-30 14:25:57,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-30 14:25:57,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-30 14:25:57,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:25:57,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-30 14:25:57,687 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 95 more)] === [2024-01-30 14:25:57,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-30 14:25:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1588583456, now seen corresponding path program 1 times [2024-01-30 14:25:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-30 14:25:57,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571453772] [2024-01-30 14:25:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-30 14:25:57,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-30 14:25:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:25:57,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-30 14:25:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-30 14:25:57,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-30 14:25:57,730 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-30 14:25:57,731 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 98 remaining) [2024-01-30 14:25:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 98 remaining) [2024-01-30 14:25:57,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 98 remaining) [2024-01-30 14:25:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 98 remaining) [2024-01-30 14:25:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 98 remaining) [2024-01-30 14:25:57,734 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 98 remaining) [2024-01-30 14:25:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 98 remaining) [2024-01-30 14:25:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 98 remaining) [2024-01-30 14:25:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 98 remaining) [2024-01-30 14:25:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 98 remaining) [2024-01-30 14:25:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 98 remaining) [2024-01-30 14:25:57,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 98 remaining) [2024-01-30 14:25:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 98 remaining) [2024-01-30 14:25:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 98 remaining) [2024-01-30 14:25:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 98 remaining) [2024-01-30 14:25:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 98 remaining) [2024-01-30 14:25:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 98 remaining) [2024-01-30 14:25:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 98 remaining) [2024-01-30 14:25:57,736 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 98 remaining) [2024-01-30 14:25:57,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 98 remaining) [2024-01-30 14:25:57,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 98 remaining) [2024-01-30 14:25:57,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 98 remaining) [2024-01-30 14:25:57,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 98 remaining) [2024-01-30 14:25:57,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 98 remaining) [2024-01-30 14:25:57,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 98 remaining) [2024-01-30 14:25:57,737 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 98 remaining) [2024-01-30 14:25:57,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 98 remaining) [2024-01-30 14:25:57,738 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 98 remaining) [2024-01-30 14:25:57,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 98 remaining) [2024-01-30 14:25:57,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 98 remaining) [2024-01-30 14:25:57,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 98 remaining) [2024-01-30 14:25:57,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 98 remaining) [2024-01-30 14:25:57,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 98 remaining) [2024-01-30 14:25:57,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 98 remaining) [2024-01-30 14:25:57,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 98 remaining) [2024-01-30 14:25:57,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 98 remaining) [2024-01-30 14:25:57,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 98 remaining) [2024-01-30 14:25:57,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 98 remaining) [2024-01-30 14:25:57,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 98 remaining) [2024-01-30 14:25:57,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 98 remaining) [2024-01-30 14:25:57,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 98 remaining) [2024-01-30 14:25:57,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 98 remaining) [2024-01-30 14:25:57,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 98 remaining) [2024-01-30 14:25:57,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 98 remaining) [2024-01-30 14:25:57,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 98 remaining) [2024-01-30 14:25:57,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 98 remaining) [2024-01-30 14:25:57,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 98 remaining) [2024-01-30 14:25:57,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 98 remaining) [2024-01-30 14:25:57,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 98 remaining) [2024-01-30 14:25:57,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 98 remaining) [2024-01-30 14:25:57,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 98 remaining) [2024-01-30 14:25:57,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (46 of 98 remaining) [2024-01-30 14:25:57,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 98 remaining) [2024-01-30 14:25:57,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 98 remaining) [2024-01-30 14:25:57,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 98 remaining) [2024-01-30 14:25:57,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 98 remaining) [2024-01-30 14:25:57,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 98 remaining) [2024-01-30 14:25:57,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 98 remaining) [2024-01-30 14:25:57,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 98 remaining) [2024-01-30 14:25:57,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 98 remaining) [2024-01-30 14:25:57,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 98 remaining) [2024-01-30 14:25:57,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 98 remaining) [2024-01-30 14:25:57,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 98 remaining) [2024-01-30 14:25:57,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 98 remaining) [2024-01-30 14:25:57,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 98 remaining) [2024-01-30 14:25:57,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 98 remaining) [2024-01-30 14:25:57,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 98 remaining) [2024-01-30 14:25:57,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 98 remaining) [2024-01-30 14:25:57,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 98 remaining) [2024-01-30 14:25:57,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 98 remaining) [2024-01-30 14:25:57,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 98 remaining) [2024-01-30 14:25:57,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 98 remaining) [2024-01-30 14:25:57,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 98 remaining) [2024-01-30 14:25:57,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 98 remaining) [2024-01-30 14:25:57,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 98 remaining) [2024-01-30 14:25:57,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 98 remaining) [2024-01-30 14:25:57,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 98 remaining) [2024-01-30 14:25:57,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 98 remaining) [2024-01-30 14:25:57,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 98 remaining) [2024-01-30 14:25:57,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 98 remaining) [2024-01-30 14:25:57,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 98 remaining) [2024-01-30 14:25:57,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 98 remaining) [2024-01-30 14:25:57,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 98 remaining) [2024-01-30 14:25:57,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 98 remaining) [2024-01-30 14:25:57,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 98 remaining) [2024-01-30 14:25:57,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 98 remaining) [2024-01-30 14:25:57,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 98 remaining) [2024-01-30 14:25:57,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 98 remaining) [2024-01-30 14:25:57,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 98 remaining) [2024-01-30 14:25:57,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 98 remaining) [2024-01-30 14:25:57,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 98 remaining) [2024-01-30 14:25:57,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 98 remaining) [2024-01-30 14:25:57,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 98 remaining) [2024-01-30 14:25:57,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 98 remaining) [2024-01-30 14:25:57,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 98 remaining) [2024-01-30 14:25:57,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 98 remaining) [2024-01-30 14:25:57,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 98 remaining) [2024-01-30 14:25:57,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 98 remaining) [2024-01-30 14:25:57,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-30 14:25:57,753 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-30 14:25:57,760 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-30 14:25:57,760 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-30 14:25:57,782 INFO L503 ceAbstractionStarter]: Automizer considered 51 witness invariants [2024-01-30 14:25:57,782 INFO L504 ceAbstractionStarter]: WitnessConsidered=51 [2024-01-30 14:25:57,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 02:25:57 BasicIcfg [2024-01-30 14:25:57,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-30 14:25:57,784 INFO L158 Benchmark]: Toolchain (without parser) took 10941.94ms. Allocated memory was 148.9MB in the beginning and 3.8GB in the end (delta: 3.7GB). Free memory was 69.4MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 546.1MB. Max. memory is 16.1GB. [2024-01-30 14:25:57,785 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:25:57,785 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-30 14:25:57,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.64ms. Allocated memory is still 148.9MB. Free memory was 69.2MB in the beginning and 114.8MB in the end (delta: -45.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-01-30 14:25:57,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 112.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:25:57,786 INFO L158 Benchmark]: Boogie Preprocessor took 52.14ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 109.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-30 14:25:57,786 INFO L158 Benchmark]: RCFGBuilder took 774.64ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 109.6MB in the beginning and 154.6MB in the end (delta: -45.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-01-30 14:25:57,786 INFO L158 Benchmark]: TraceAbstraction took 9686.49ms. Allocated memory was 192.9MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 154.6MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 585.6MB. Max. memory is 16.1GB. [2024-01-30 14:25:57,787 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 0.16ms. Allocated memory is still 148.9MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 148.9MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.64ms. Allocated memory is still 148.9MB. Free memory was 69.2MB in the beginning and 114.8MB in the end (delta: -45.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 112.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.14ms. Allocated memory is still 148.9MB. Free memory was 112.7MB in the beginning and 109.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 774.64ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 109.6MB in the beginning and 154.6MB in the end (delta: -45.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9686.49ms. Allocated memory was 192.9MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 154.6MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 585.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 107]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] unsigned int s, t, m, c, T, S, u, U; [L98] pthread_t t1, t2, t3; VAL [S=0, T=0, U=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L100] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[S],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]]] [L100] S = __VERIFIER_nondet_uint() [L101] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[T],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]]] [L101] T = __VERIFIER_nondet_uint() [L102] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[U],IntegerLiteral[0U]]]]] [L102] U = __VERIFIER_nondet_uint() [L103] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[s],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]]] [L103] s = S VAL [S=0, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=0, u=0] [L104] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[t],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]]] [L104] t = T VAL [S=0, T=50, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=0] [L105] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[u],IntegerLiteral[0U]]]]] [L105] u = U VAL [S=0, T=50, U=49, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=49] [L107] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1U],IdentifierExpression[S]],BinaryExpression[COMPEQ,IdentifierExpression[m],IntegerLiteral[0U]]],BinaryExpression[COMPEQ,IdentifierExpression[c],IntegerLiteral[0U]]],BinaryExpression[COMPNEQ,IdentifierExpression[S],IntegerLiteral[0U]]]]] VAL [S=0, T=50, U=49, c=0, m=0, s=0, t1={5:0}, t2={6:0}, t3={3:0}, t=50, u=49] - 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: 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: 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: 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: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 101]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 104]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: 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: 112]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 110]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 111]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 197 locations, 98 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: 9.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 703 IncrementalHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 25 mSDtfsCounter, 703 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=269occurred in iteration=6, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 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! [2024-01-30 14:25:57,841 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