./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/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/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:49:51,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:49:51,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:49:51,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:49:51,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:49:51,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:49:51,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:49:51,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:49:51,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:49:51,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:49:51,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:49:51,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:49:51,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:49:51,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:49:51,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:49:51,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:49:51,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:49:51,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:49:51,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:49:51,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:49:51,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:49:51,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:49:51,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:49:51,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:49:51,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:49:51,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:49:51,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:49:51,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:49:51,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:49:51,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:49:51,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:49:51,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:49:51,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:49:51,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:49:51,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:49:51,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:49:51,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:49:51,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:49:51,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:49:51,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:49:51,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:49:51,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:49:51,484 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:49:51,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:49:51,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:49:51,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:49:51,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:49:51,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:49:51,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:49:51,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:49:51,486 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:49:51,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:49:51,487 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:49:51,488 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:49:51,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:49:51,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:49:51,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:49:51,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:49:51,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:49:51,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:49:51,489 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:49:51,489 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:49:51,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:49:51,490 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:49:51,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:49:51,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:49:51,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:49:51,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:49:51,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:49:51,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:49:51,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:49:51,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:49:51,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:49:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:49:51,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:49:51,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:49:51,492 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:49:51,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:49:51,493 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:49:51,493 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:49:51,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:49:51,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:49:51,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:49:51,824 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:49:51,826 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:49:51,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-29 01:49:53,071 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:49:53,506 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:49:53,507 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-29 01:49:53,543 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f09d7f5/ddef2a3e23c54f8d88320c03c50a2267/FLAG3b6993244 [2023-08-29 01:49:53,559 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f09d7f5/ddef2a3e23c54f8d88320c03c50a2267 [2023-08-29 01:49:53,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:49:53,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:49:53,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:49:53,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:49:53,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:49:53,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:49:53" (1/1) ... [2023-08-29 01:49:53,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c8d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:53, skipping insertion in model container [2023-08-29 01:49:53,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:49:53" (1/1) ... [2023-08-29 01:49:53,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:49:53,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:49:53,972 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2023-08-29 01:49:56,596 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:49:57,024 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:57,027 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:57,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:49:57,140 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:49:57,165 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2023-08-29 01:49:57,387 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:49:57,480 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:57,481 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:57,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:49:58,164 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:58,165 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:58,165 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:58,165 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:58,165 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:58,165 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:58,165 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:58,171 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:49:58,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58 WrapperNode [2023-08-29 01:49:58,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:49:58,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:49:58,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:49:58,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:49:58,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,464 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 910 [2023-08-29 01:49:58,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:49:58,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:49:58,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:49:58,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:49:58,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,539 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:49:58,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:49:58,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:49:58,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:49:58,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (1/1) ... [2023-08-29 01:49:58,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:49:58,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:49:58,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:49:58,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:49:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:49:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:49:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:49:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:49:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:49:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:49:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 01:49:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 01:49:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:49:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 01:49:58,620 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 01:49:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:49:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:49:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:49:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:49:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:49:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:49:58,624 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:49:59,167 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:49:59,170 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:50:00,079 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:50:00,097 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:50:00,097 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-08-29 01:50:00,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:50:00 BoogieIcfgContainer [2023-08-29 01:50:00,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:50:00,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:50:00,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:50:00,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:50:00,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:49:53" (1/3) ... [2023-08-29 01:50:00,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23731694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:50:00, skipping insertion in model container [2023-08-29 01:50:00,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:58" (2/3) ... [2023-08-29 01:50:00,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23731694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:50:00, skipping insertion in model container [2023-08-29 01:50:00,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:50:00" (3/3) ... [2023-08-29 01:50:00,109 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-29 01:50:00,116 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:50:00,124 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:50:00,124 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 79 error locations. [2023-08-29 01:50:00,125 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:50:00,268 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:50:00,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1006 places, 1043 transitions, 2102 flow [2023-08-29 01:50:00,590 INFO L130 PetriNetUnfolder]: 44/1041 cut-off events. [2023-08-29 01:50:00,590 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:50:00,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 1041 events. 44/1041 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1398 event pairs, 0 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 01:50:00,598 INFO L82 GeneralOperation]: Start removeDead. Operand has 1006 places, 1043 transitions, 2102 flow [2023-08-29 01:50:00,607 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 996 places, 1033 transitions, 2075 flow [2023-08-29 01:50:00,610 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:50:00,617 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 996 places, 1033 transitions, 2075 flow [2023-08-29 01:50:00,619 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 996 places, 1033 transitions, 2075 flow [2023-08-29 01:50:00,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 996 places, 1033 transitions, 2075 flow [2023-08-29 01:50:00,808 INFO L130 PetriNetUnfolder]: 44/1033 cut-off events. [2023-08-29 01:50:00,808 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:50:00,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 1033 events. 44/1033 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1327 event pairs, 0 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 01:50:00,815 INFO L119 LiptonReduction]: Number of co-enabled transitions 11680 [2023-08-29 01:51:38,413 WARN L222 SmtUtils]: Spent 25.91s on a formula simplification that was a NOOP. DAG size: 565 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:51:50,868 WARN L222 SmtUtils]: Spent 12.44s on a formula simplification that was a NOOP. DAG size: 498 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:52:07,073 WARN L222 SmtUtils]: Spent 16.20s on a formula simplification that was a NOOP. DAG size: 565 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:52:20,684 WARN L222 SmtUtils]: Spent 13.60s on a formula simplification that was a NOOP. DAG size: 498 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:54:32,170 WARN L222 SmtUtils]: Spent 1.86m on a formula simplification. DAG size of input: 613 DAG size of output: 611 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:55:26,570 WARN L222 SmtUtils]: Spent 54.39s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:56:23,607 WARN L222 SmtUtils]: Spent 57.03s on a formula simplification. DAG size of input: 616 DAG size of output: 614 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:57:27,526 WARN L222 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:57:32,773 WARN L222 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 310 DAG size of output: 303 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:57:44,338 WARN L222 SmtUtils]: Spent 8.99s on a formula simplification. DAG size of input: 331 DAG size of output: 325 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:57:49,336 INFO L134 LiptonReduction]: Checked pairs total: 39342 [2023-08-29 01:57:49,337 INFO L136 LiptonReduction]: Total number of compositions: 1256 [2023-08-29 01:57:49,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:57:49,354 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6f92f48, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:57:49,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2023-08-29 01:57:49,356 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:57:49,356 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:49,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:49,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:57:49,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:57:49,361 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:49,361 INFO L85 PathProgramCache]: Analyzing trace with hash 3636, now seen corresponding path program 1 times [2023-08-29 01:57:49,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:49,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363816745] [2023-08-29 01:57:49,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:49,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:49,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:49,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363816745] [2023-08-29 01:57:49,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363816745] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:49,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:49,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:57:49,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355875702] [2023-08-29 01:57:49,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:49,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:57:49,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:49,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:57:49,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:57:49,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1011 out of 2299 [2023-08-29 01:57:49,630 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 155 transitions, 319 flow. Second operand has 2 states, 2 states have (on average 1011.5) internal successors, (2023), 2 states have internal predecessors, (2023), 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) [2023-08-29 01:57:49,630 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:49,630 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1011 of 2299 [2023-08-29 01:57:49,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:49,973 INFO L130 PetriNetUnfolder]: 92/347 cut-off events. [2023-08-29 01:57:49,975 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 01:57:49,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 347 events. 92/347 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1573 event pairs, 81 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 443. Up to 185 conditions per place. [2023-08-29 01:57:49,980 INFO L137 encePairwiseOnDemand]: 2218/2299 looper letters, 40 selfloop transitions, 0 changer transitions 0/74 dead transitions. [2023-08-29 01:57:49,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 237 flow [2023-08-29 01:57:49,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:57:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:57:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2143 transitions. [2023-08-29 01:57:50,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46607220530665505 [2023-08-29 01:57:50,006 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2143 transitions. [2023-08-29 01:57:50,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2143 transitions. [2023-08-29 01:57:50,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:50,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2143 transitions. [2023-08-29 01:57:50,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1071.5) internal successors, (2143), 2 states have internal predecessors, (2143), 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) [2023-08-29 01:57:50,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2299.0) internal successors, (6897), 3 states have internal predecessors, (6897), 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) [2023-08-29 01:57:50,042 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2299.0) internal successors, (6897), 3 states have internal predecessors, (6897), 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) [2023-08-29 01:57:50,043 INFO L175 Difference]: Start difference. First operand has 141 places, 155 transitions, 319 flow. Second operand 2 states and 2143 transitions. [2023-08-29 01:57:50,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 237 flow [2023-08-29 01:57:50,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 232 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:57:50,049 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 152 flow [2023-08-29 01:57:50,051 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=152, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2023-08-29 01:57:50,055 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -73 predicate places. [2023-08-29 01:57:50,055 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 152 flow [2023-08-29 01:57:50,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1011.5) internal successors, (2023), 2 states have internal predecessors, (2023), 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) [2023-08-29 01:57:50,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:50,057 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:57:50,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:57:50,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:57:50,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:50,058 INFO L85 PathProgramCache]: Analyzing trace with hash 3679146, now seen corresponding path program 1 times [2023-08-29 01:57:50,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:50,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896919363] [2023-08-29 01:57:50,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:50,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:50,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896919363] [2023-08-29 01:57:50,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896919363] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:50,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:50,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:57:50,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481121915] [2023-08-29 01:57:50,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:50,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:50,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:50,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:50,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:50,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 992 out of 2299 [2023-08-29 01:57:50,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 993.0) internal successors, (2979), 3 states have internal predecessors, (2979), 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) [2023-08-29 01:57:50,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:50,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 992 of 2299 [2023-08-29 01:57:50,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:50,966 INFO L130 PetriNetUnfolder]: 92/345 cut-off events. [2023-08-29 01:57:50,966 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:50,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 345 events. 92/345 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1540 event pairs, 81 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 544. Up to 182 conditions per place. [2023-08-29 01:57:50,970 INFO L137 encePairwiseOnDemand]: 2294/2299 looper letters, 37 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2023-08-29 01:57:50,970 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 228 flow [2023-08-29 01:57:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3018 transitions. [2023-08-29 01:57:50,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43758155719878206 [2023-08-29 01:57:50,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3018 transitions. [2023-08-29 01:57:50,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3018 transitions. [2023-08-29 01:57:50,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:50,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3018 transitions. [2023-08-29 01:57:50,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1006.0) internal successors, (3018), 3 states have internal predecessors, (3018), 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) [2023-08-29 01:57:50,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 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) [2023-08-29 01:57:51,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 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) [2023-08-29 01:57:51,000 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 152 flow. Second operand 3 states and 3018 transitions. [2023-08-29 01:57:51,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 228 flow [2023-08-29 01:57:51,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 72 transitions, 228 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:57:51,003 INFO L231 Difference]: Finished difference. Result has 68 places, 72 transitions, 154 flow [2023-08-29 01:57:51,003 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=68, PETRI_TRANSITIONS=72} [2023-08-29 01:57:51,005 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -73 predicate places. [2023-08-29 01:57:51,005 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 72 transitions, 154 flow [2023-08-29 01:57:51,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 993.0) internal successors, (2979), 3 states have internal predecessors, (2979), 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) [2023-08-29 01:57:51,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:51,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:51,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:57:51,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:57:51,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:51,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2116983376, now seen corresponding path program 1 times [2023-08-29 01:57:51,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:51,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113449235] [2023-08-29 01:57:51,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:51,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:51,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113449235] [2023-08-29 01:57:51,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113449235] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:51,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:51,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:57:51,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91286628] [2023-08-29 01:57:51,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:51,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:51,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:51,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:51,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:51,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 2299 [2023-08-29 01:57:51,380 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 72 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2023-08-29 01:57:51,380 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:51,380 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 2299 [2023-08-29 01:57:51,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:52,078 INFO L130 PetriNetUnfolder]: 90/342 cut-off events. [2023-08-29 01:57:52,079 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:52,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 342 events. 90/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1532 event pairs, 81 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 540. Up to 181 conditions per place. [2023-08-29 01:57:52,081 INFO L137 encePairwiseOnDemand]: 2296/2299 looper letters, 36 selfloop transitions, 1 changer transitions 0/69 dead transitions. [2023-08-29 01:57:52,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 220 flow [2023-08-29 01:57:52,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3060 transitions. [2023-08-29 01:57:52,088 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4436711613745107 [2023-08-29 01:57:52,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3060 transitions. [2023-08-29 01:57:52,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3060 transitions. [2023-08-29 01:57:52,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:52,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3060 transitions. [2023-08-29 01:57:52,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1020.0) internal successors, (3060), 3 states have internal predecessors, (3060), 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) [2023-08-29 01:57:52,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 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) [2023-08-29 01:57:52,109 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 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) [2023-08-29 01:57:52,109 INFO L175 Difference]: Start difference. First operand has 68 places, 72 transitions, 154 flow. Second operand 3 states and 3060 transitions. [2023-08-29 01:57:52,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 220 flow [2023-08-29 01:57:52,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 69 transitions, 218 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:57:52,111 INFO L231 Difference]: Finished difference. Result has 68 places, 69 transitions, 146 flow [2023-08-29 01:57:52,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=68, PETRI_TRANSITIONS=69} [2023-08-29 01:57:52,112 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -73 predicate places. [2023-08-29 01:57:52,112 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 69 transitions, 146 flow [2023-08-29 01:57:52,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2023-08-29 01:57:52,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:52,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:52,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:57:52,114 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:57:52,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash -648737237, now seen corresponding path program 1 times [2023-08-29 01:57:52,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:52,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733569369] [2023-08-29 01:57:52,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:52,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:53,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:53,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733569369] [2023-08-29 01:57:53,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733569369] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:53,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:53,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:53,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53951343] [2023-08-29 01:57:53,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:53,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:53,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:53,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:53,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:53,648 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 2299 [2023-08-29 01:57:53,659 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 146 flow. Second operand has 6 states, 6 states have (on average 989.6666666666666) internal successors, (5938), 6 states have internal predecessors, (5938), 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) [2023-08-29 01:57:53,660 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:53,660 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 2299 [2023-08-29 01:57:53,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:54,228 INFO L130 PetriNetUnfolder]: 186/495 cut-off events. [2023-08-29 01:57:54,229 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:54,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 495 events. 186/495 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2184 event pairs, 105 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 886. Up to 226 conditions per place. [2023-08-29 01:57:54,232 INFO L137 encePairwiseOnDemand]: 2293/2299 looper letters, 64 selfloop transitions, 5 changer transitions 0/92 dead transitions. [2023-08-29 01:57:54,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 92 transitions, 338 flow [2023-08-29 01:57:54,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:57:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:57:54,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5998 transitions. [2023-08-29 01:57:54,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43482673626214297 [2023-08-29 01:57:54,246 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5998 transitions. [2023-08-29 01:57:54,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5998 transitions. [2023-08-29 01:57:54,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:54,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5998 transitions. [2023-08-29 01:57:54,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 999.6666666666666) internal successors, (5998), 6 states have internal predecessors, (5998), 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) [2023-08-29 01:57:54,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:57:54,276 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:57:54,277 INFO L175 Difference]: Start difference. First operand has 68 places, 69 transitions, 146 flow. Second operand 6 states and 5998 transitions. [2023-08-29 01:57:54,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 92 transitions, 338 flow [2023-08-29 01:57:54,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 92 transitions, 337 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:57:54,281 INFO L231 Difference]: Finished difference. Result has 71 places, 68 transitions, 153 flow [2023-08-29 01:57:54,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=153, PETRI_PLACES=71, PETRI_TRANSITIONS=68} [2023-08-29 01:57:54,282 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -70 predicate places. [2023-08-29 01:57:54,282 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 68 transitions, 153 flow [2023-08-29 01:57:54,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 989.6666666666666) internal successors, (5938), 6 states have internal predecessors, (5938), 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) [2023-08-29 01:57:54,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:54,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:54,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:57:54,285 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:57:54,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1502343817, now seen corresponding path program 1 times [2023-08-29 01:57:54,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:54,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183161932] [2023-08-29 01:57:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:54,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:55,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:55,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183161932] [2023-08-29 01:57:55,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183161932] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:55,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:55,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:55,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730177072] [2023-08-29 01:57:55,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:55,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:55,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:55,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:55,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:55,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 2299 [2023-08-29 01:57:55,676 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 68 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 989.0) internal successors, (5934), 6 states have internal predecessors, (5934), 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) [2023-08-29 01:57:55,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:55,676 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 2299 [2023-08-29 01:57:55,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:56,642 INFO L130 PetriNetUnfolder]: 751/1562 cut-off events. [2023-08-29 01:57:56,642 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2023-08-29 01:57:56,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2904 conditions, 1562 events. 751/1562 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9503 event pairs, 267 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 2900. Up to 732 conditions per place. [2023-08-29 01:57:56,652 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 84 selfloop transitions, 21 changer transitions 0/126 dead transitions. [2023-08-29 01:57:56,652 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 126 transitions, 488 flow [2023-08-29 01:57:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:57:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:57:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6028 transitions. [2023-08-29 01:57:56,665 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4370015948963317 [2023-08-29 01:57:56,665 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6028 transitions. [2023-08-29 01:57:56,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6028 transitions. [2023-08-29 01:57:56,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:56,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6028 transitions. [2023-08-29 01:57:56,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1004.6666666666666) internal successors, (6028), 6 states have internal predecessors, (6028), 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) [2023-08-29 01:57:56,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:57:56,696 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:57:56,696 INFO L175 Difference]: Start difference. First operand has 71 places, 68 transitions, 153 flow. Second operand 6 states and 6028 transitions. [2023-08-29 01:57:56,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 126 transitions, 488 flow [2023-08-29 01:57:56,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 126 transitions, 470 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:57:56,699 INFO L231 Difference]: Finished difference. Result has 76 places, 88 transitions, 285 flow [2023-08-29 01:57:56,700 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=76, PETRI_TRANSITIONS=88} [2023-08-29 01:57:56,700 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -65 predicate places. [2023-08-29 01:57:56,700 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 88 transitions, 285 flow [2023-08-29 01:57:56,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 989.0) internal successors, (5934), 6 states have internal predecessors, (5934), 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) [2023-08-29 01:57:56,702 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:56,702 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:56,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:57:56,702 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:57:56,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash 489531121, now seen corresponding path program 1 times [2023-08-29 01:57:56,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:56,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444672733] [2023-08-29 01:57:56,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:56,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:57,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:57,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444672733] [2023-08-29 01:57:57,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444672733] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:57,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:57,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:57,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814070264] [2023-08-29 01:57:57,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:57,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:57,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:57,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:57,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:58,188 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 986 out of 2299 [2023-08-29 01:57:58,192 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 88 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 988.0) internal successors, (5928), 6 states have internal predecessors, (5928), 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) [2023-08-29 01:57:58,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:58,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 986 of 2299 [2023-08-29 01:57:58,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:59,112 INFO L130 PetriNetUnfolder]: 1200/2801 cut-off events. [2023-08-29 01:57:59,113 INFO L131 PetriNetUnfolder]: For 992/1069 co-relation queries the response was YES. [2023-08-29 01:57:59,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6177 conditions, 2801 events. 1200/2801 cut-off events. For 992/1069 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 20351 event pairs, 174 based on Foata normal form. 4/2681 useless extension candidates. Maximal degree in co-relation 6169. Up to 1296 conditions per place. [2023-08-29 01:57:59,136 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 98 selfloop transitions, 85 changer transitions 0/209 dead transitions. [2023-08-29 01:57:59,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 209 transitions, 1185 flow [2023-08-29 01:57:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:57:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:57:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6020 transitions. [2023-08-29 01:57:59,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4364216325938814 [2023-08-29 01:57:59,151 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6020 transitions. [2023-08-29 01:57:59,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6020 transitions. [2023-08-29 01:57:59,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:59,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6020 transitions. [2023-08-29 01:57:59,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1003.3333333333334) internal successors, (6020), 6 states have internal predecessors, (6020), 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) [2023-08-29 01:57:59,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:57:59,221 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:57:59,222 INFO L175 Difference]: Start difference. First operand has 76 places, 88 transitions, 285 flow. Second operand 6 states and 6020 transitions. [2023-08-29 01:57:59,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 209 transitions, 1185 flow [2023-08-29 01:57:59,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 209 transitions, 1185 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:57:59,234 INFO L231 Difference]: Finished difference. Result has 86 places, 172 transitions, 1131 flow [2023-08-29 01:57:59,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1131, PETRI_PLACES=86, PETRI_TRANSITIONS=172} [2023-08-29 01:57:59,237 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -55 predicate places. [2023-08-29 01:57:59,237 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 172 transitions, 1131 flow [2023-08-29 01:57:59,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 988.0) internal successors, (5928), 6 states have internal predecessors, (5928), 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) [2023-08-29 01:57:59,239 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:59,239 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:59,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:57:59,239 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:57:59,240 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:59,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1603140428, now seen corresponding path program 1 times [2023-08-29 01:57:59,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:59,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71855902] [2023-08-29 01:57:59,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:59,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:59,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71855902] [2023-08-29 01:57:59,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71855902] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:59,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:59,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:59,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788374337] [2023-08-29 01:57:59,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:59,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:59,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:59,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:59,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:58:00,354 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 949 out of 2299 [2023-08-29 01:58:00,359 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 172 transitions, 1131 flow. Second operand has 6 states, 6 states have (on average 951.6666666666666) internal successors, (5710), 6 states have internal predecessors, (5710), 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) [2023-08-29 01:58:00,359 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:00,359 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 949 of 2299 [2023-08-29 01:58:00,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:02,024 INFO L130 PetriNetUnfolder]: 4100/7246 cut-off events. [2023-08-29 01:58:02,025 INFO L131 PetriNetUnfolder]: For 7405/7552 co-relation queries the response was YES. [2023-08-29 01:58:02,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21681 conditions, 7246 events. 4100/7246 cut-off events. For 7405/7552 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 45413 event pairs, 2069 based on Foata normal form. 0/7036 useless extension candidates. Maximal degree in co-relation 21668. Up to 6276 conditions per place. [2023-08-29 01:58:02,073 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 163 selfloop transitions, 70 changer transitions 0/241 dead transitions. [2023-08-29 01:58:02,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 241 transitions, 1911 flow [2023-08-29 01:58:02,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:58:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:58:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5816 transitions. [2023-08-29 01:58:02,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42163259388139773 [2023-08-29 01:58:02,086 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5816 transitions. [2023-08-29 01:58:02,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5816 transitions. [2023-08-29 01:58:02,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:02,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5816 transitions. [2023-08-29 01:58:02,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 969.3333333333334) internal successors, (5816), 6 states have internal predecessors, (5816), 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) [2023-08-29 01:58:02,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:58:02,115 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 01:58:02,115 INFO L175 Difference]: Start difference. First operand has 86 places, 172 transitions, 1131 flow. Second operand 6 states and 5816 transitions. [2023-08-29 01:58:02,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 241 transitions, 1911 flow [2023-08-29 01:58:02,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 241 transitions, 1911 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:58:02,166 INFO L231 Difference]: Finished difference. Result has 95 places, 217 transitions, 1639 flow [2023-08-29 01:58:02,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1639, PETRI_PLACES=95, PETRI_TRANSITIONS=217} [2023-08-29 01:58:02,166 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -46 predicate places. [2023-08-29 01:58:02,167 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 217 transitions, 1639 flow [2023-08-29 01:58:02,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 951.6666666666666) internal successors, (5710), 6 states have internal predecessors, (5710), 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) [2023-08-29 01:58:02,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:02,168 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:02,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:58:02,168 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:02,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:02,169 INFO L85 PathProgramCache]: Analyzing trace with hash -847406760, now seen corresponding path program 1 times [2023-08-29 01:58:02,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:02,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413695733] [2023-08-29 01:58:02,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:02,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:03,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:03,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413695733] [2023-08-29 01:58:03,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413695733] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:03,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:03,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:58:03,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250049638] [2023-08-29 01:58:03,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:03,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:58:03,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:03,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:58:03,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:58:04,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 01:58:04,983 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 217 transitions, 1639 flow. Second operand has 11 states, 11 states have (on average 980.5454545454545) internal successors, (10786), 11 states have internal predecessors, (10786), 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) [2023-08-29 01:58:04,984 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:04,984 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 01:58:04,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:06,819 INFO L130 PetriNetUnfolder]: 3052/6132 cut-off events. [2023-08-29 01:58:06,819 INFO L131 PetriNetUnfolder]: For 9729/10142 co-relation queries the response was YES. [2023-08-29 01:58:06,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21131 conditions, 6132 events. 3052/6132 cut-off events. For 9729/10142 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 46152 event pairs, 178 based on Foata normal form. 287/6324 useless extension candidates. Maximal degree in co-relation 21113. Up to 1915 conditions per place. [2023-08-29 01:58:06,874 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 325 selfloop transitions, 31 changer transitions 0/396 dead transitions. [2023-08-29 01:58:06,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 396 transitions, 3681 flow [2023-08-29 01:58:06,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:58:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:58:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9905 transitions. [2023-08-29 01:58:06,893 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43083949543279687 [2023-08-29 01:58:06,893 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9905 transitions. [2023-08-29 01:58:06,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9905 transitions. [2023-08-29 01:58:06,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:06,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9905 transitions. [2023-08-29 01:58:06,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 990.5) internal successors, (9905), 10 states have internal predecessors, (9905), 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) [2023-08-29 01:58:06,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:58:06,927 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:58:06,927 INFO L175 Difference]: Start difference. First operand has 95 places, 217 transitions, 1639 flow. Second operand 10 states and 9905 transitions. [2023-08-29 01:58:06,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 396 transitions, 3681 flow [2023-08-29 01:58:06,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 396 transitions, 3609 flow, removed 36 selfloop flow, removed 0 redundant places. [2023-08-29 01:58:06,996 INFO L231 Difference]: Finished difference. Result has 109 places, 240 transitions, 1869 flow [2023-08-29 01:58:06,997 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1869, PETRI_PLACES=109, PETRI_TRANSITIONS=240} [2023-08-29 01:58:06,997 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -32 predicate places. [2023-08-29 01:58:06,998 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 240 transitions, 1869 flow [2023-08-29 01:58:06,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.5454545454545) internal successors, (10786), 11 states have internal predecessors, (10786), 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) [2023-08-29 01:58:06,999 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:06,999 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:07,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:58:07,000 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:07,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:07,000 INFO L85 PathProgramCache]: Analyzing trace with hash 63709240, now seen corresponding path program 2 times [2023-08-29 01:58:07,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:07,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530992458] [2023-08-29 01:58:07,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:07,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:08,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:08,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530992458] [2023-08-29 01:58:08,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530992458] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:08,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:08,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:58:08,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230981338] [2023-08-29 01:58:08,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:08,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:58:08,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:08,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:58:08,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:58:10,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 01:58:10,013 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 240 transitions, 1869 flow. Second operand has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 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) [2023-08-29 01:58:10,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:10,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 01:58:10,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:12,453 INFO L130 PetriNetUnfolder]: 3423/7143 cut-off events. [2023-08-29 01:58:12,453 INFO L131 PetriNetUnfolder]: For 17207/17741 co-relation queries the response was YES. [2023-08-29 01:58:12,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26699 conditions, 7143 events. 3423/7143 cut-off events. For 17207/17741 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 57206 event pairs, 606 based on Foata normal form. 297/7309 useless extension candidates. Maximal degree in co-relation 26675. Up to 3296 conditions per place. [2023-08-29 01:58:12,523 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 199 selfloop transitions, 105 changer transitions 0/344 dead transitions. [2023-08-29 01:58:12,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 344 transitions, 3154 flow [2023-08-29 01:58:12,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:58:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:58:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8932 transitions. [2023-08-29 01:58:12,539 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43168527379053695 [2023-08-29 01:58:12,539 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8932 transitions. [2023-08-29 01:58:12,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8932 transitions. [2023-08-29 01:58:12,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:12,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8932 transitions. [2023-08-29 01:58:12,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 992.4444444444445) internal successors, (8932), 9 states have internal predecessors, (8932), 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) [2023-08-29 01:58:12,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:58:12,570 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:58:12,570 INFO L175 Difference]: Start difference. First operand has 109 places, 240 transitions, 1869 flow. Second operand 9 states and 8932 transitions. [2023-08-29 01:58:12,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 344 transitions, 3154 flow [2023-08-29 01:58:12,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 344 transitions, 3150 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:58:12,697 INFO L231 Difference]: Finished difference. Result has 118 places, 268 transitions, 2575 flow [2023-08-29 01:58:12,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=1865, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2575, PETRI_PLACES=118, PETRI_TRANSITIONS=268} [2023-08-29 01:58:12,699 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -23 predicate places. [2023-08-29 01:58:12,699 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 268 transitions, 2575 flow [2023-08-29 01:58:12,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 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) [2023-08-29 01:58:12,701 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:12,701 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:12,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:58:12,701 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:12,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1960543191, now seen corresponding path program 1 times [2023-08-29 01:58:12,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:12,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914500267] [2023-08-29 01:58:12,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:12,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:13,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:13,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914500267] [2023-08-29 01:58:13,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914500267] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:13,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:13,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:58:13,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924915185] [2023-08-29 01:58:13,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:13,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:58:13,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:13,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:58:13,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:58:14,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 2299 [2023-08-29 01:58:14,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 268 transitions, 2575 flow. Second operand has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 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) [2023-08-29 01:58:14,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:14,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 2299 [2023-08-29 01:58:14,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:16,483 INFO L130 PetriNetUnfolder]: 6871/12273 cut-off events. [2023-08-29 01:58:16,483 INFO L131 PetriNetUnfolder]: For 41718/42116 co-relation queries the response was YES. [2023-08-29 01:58:16,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49846 conditions, 12273 events. 6871/12273 cut-off events. For 41718/42116 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 86989 event pairs, 1728 based on Foata normal form. 82/12051 useless extension candidates. Maximal degree in co-relation 49819. Up to 9242 conditions per place. [2023-08-29 01:58:16,598 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 253 selfloop transitions, 118 changer transitions 0/383 dead transitions. [2023-08-29 01:58:16,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 383 transitions, 4252 flow [2023-08-29 01:58:16,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:58:16,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:58:16,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8632 transitions. [2023-08-29 01:58:16,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41718621622927843 [2023-08-29 01:58:16,613 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8632 transitions. [2023-08-29 01:58:16,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8632 transitions. [2023-08-29 01:58:16,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:16,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8632 transitions. [2023-08-29 01:58:16,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 959.1111111111111) internal successors, (8632), 9 states have internal predecessors, (8632), 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) [2023-08-29 01:58:16,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:58:16,757 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:58:16,758 INFO L175 Difference]: Start difference. First operand has 118 places, 268 transitions, 2575 flow. Second operand 9 states and 8632 transitions. [2023-08-29 01:58:16,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 383 transitions, 4252 flow [2023-08-29 01:58:17,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 383 transitions, 4129 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:58:17,051 INFO L231 Difference]: Finished difference. Result has 125 places, 316 transitions, 3423 flow [2023-08-29 01:58:17,052 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3423, PETRI_PLACES=125, PETRI_TRANSITIONS=316} [2023-08-29 01:58:17,052 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -16 predicate places. [2023-08-29 01:58:17,053 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 316 transitions, 3423 flow [2023-08-29 01:58:17,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 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) [2023-08-29 01:58:17,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:17,054 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:17,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:58:17,055 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:17,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:17,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1419657842, now seen corresponding path program 3 times [2023-08-29 01:58:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:17,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070662126] [2023-08-29 01:58:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:18,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:18,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070662126] [2023-08-29 01:58:18,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070662126] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:18,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:18,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:58:18,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107033215] [2023-08-29 01:58:18,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:18,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:58:18,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:18,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:58:18,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:58:20,679 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 01:58:20,683 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 316 transitions, 3423 flow. Second operand has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 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) [2023-08-29 01:58:20,684 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:20,684 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 01:58:20,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:23,220 INFO L130 PetriNetUnfolder]: 4709/9851 cut-off events. [2023-08-29 01:58:23,220 INFO L131 PetriNetUnfolder]: For 42461/43247 co-relation queries the response was YES. [2023-08-29 01:58:23,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44521 conditions, 9851 events. 4709/9851 cut-off events. For 42461/43247 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 83480 event pairs, 835 based on Foata normal form. 390/10036 useless extension candidates. Maximal degree in co-relation 44490. Up to 3939 conditions per place. [2023-08-29 01:58:23,289 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 285 selfloop transitions, 136 changer transitions 0/478 dead transitions. [2023-08-29 01:58:23,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 478 transitions, 5785 flow [2023-08-29 01:58:23,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:58:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:58:23,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9924 transitions. [2023-08-29 01:58:23,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4316659417137886 [2023-08-29 01:58:23,305 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9924 transitions. [2023-08-29 01:58:23,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9924 transitions. [2023-08-29 01:58:23,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:23,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9924 transitions. [2023-08-29 01:58:23,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 992.4) internal successors, (9924), 10 states have internal predecessors, (9924), 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) [2023-08-29 01:58:23,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:58:23,344 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:58:23,345 INFO L175 Difference]: Start difference. First operand has 125 places, 316 transitions, 3423 flow. Second operand 10 states and 9924 transitions. [2023-08-29 01:58:23,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 478 transitions, 5785 flow [2023-08-29 01:58:23,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 478 transitions, 5741 flow, removed 20 selfloop flow, removed 2 redundant places. [2023-08-29 01:58:23,662 INFO L231 Difference]: Finished difference. Result has 137 places, 361 transitions, 4680 flow [2023-08-29 01:58:23,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=3391, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4680, PETRI_PLACES=137, PETRI_TRANSITIONS=361} [2023-08-29 01:58:23,663 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -4 predicate places. [2023-08-29 01:58:23,663 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 361 transitions, 4680 flow [2023-08-29 01:58:23,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 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) [2023-08-29 01:58:23,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:23,665 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:23,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:58:23,666 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:23,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1985113934, now seen corresponding path program 1 times [2023-08-29 01:58:23,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:23,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193767369] [2023-08-29 01:58:23,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:25,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:25,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193767369] [2023-08-29 01:58:25,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193767369] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:25,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:25,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:58:25,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682892868] [2023-08-29 01:58:25,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:25,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:58:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:25,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:58:25,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:58:26,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 01:58:26,835 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 361 transitions, 4680 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 01:58:26,835 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:26,835 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 01:58:26,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:30,491 INFO L130 PetriNetUnfolder]: 4772/11233 cut-off events. [2023-08-29 01:58:30,492 INFO L131 PetriNetUnfolder]: For 69955/71274 co-relation queries the response was YES. [2023-08-29 01:58:30,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51745 conditions, 11233 events. 4772/11233 cut-off events. For 69955/71274 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 106671 event pairs, 509 based on Foata normal form. 653/11615 useless extension candidates. Maximal degree in co-relation 51709. Up to 4361 conditions per place. [2023-08-29 01:58:30,566 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 255 selfloop transitions, 165 changer transitions 0/492 dead transitions. [2023-08-29 01:58:30,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 492 transitions, 7197 flow [2023-08-29 01:58:30,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:58:30,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:58:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7958 transitions. [2023-08-29 01:58:30,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43268812527185735 [2023-08-29 01:58:30,576 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 7958 transitions. [2023-08-29 01:58:30,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 7958 transitions. [2023-08-29 01:58:30,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:30,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 7958 transitions. [2023-08-29 01:58:30,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 994.75) internal successors, (7958), 8 states have internal predecessors, (7958), 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) [2023-08-29 01:58:30,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 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) [2023-08-29 01:58:30,597 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 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) [2023-08-29 01:58:30,598 INFO L175 Difference]: Start difference. First operand has 137 places, 361 transitions, 4680 flow. Second operand 8 states and 7958 transitions. [2023-08-29 01:58:30,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 492 transitions, 7197 flow [2023-08-29 01:58:30,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 492 transitions, 7081 flow, removed 12 selfloop flow, removed 5 redundant places. [2023-08-29 01:58:30,979 INFO L231 Difference]: Finished difference. Result has 142 places, 404 transitions, 6061 flow [2023-08-29 01:58:30,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=4594, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6061, PETRI_PLACES=142, PETRI_TRANSITIONS=404} [2023-08-29 01:58:30,980 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 1 predicate places. [2023-08-29 01:58:30,980 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 404 transitions, 6061 flow [2023-08-29 01:58:30,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 01:58:30,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:30,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:30,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:58:30,982 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:30,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:30,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1103943064, now seen corresponding path program 4 times [2023-08-29 01:58:30,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:30,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538045492] [2023-08-29 01:58:30,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:30,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:32,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:32,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538045492] [2023-08-29 01:58:32,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538045492] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:32,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:32,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:58:32,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417358847] [2023-08-29 01:58:32,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:32,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:58:32,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:32,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:58:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:58:33,831 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 01:58:33,834 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 404 transitions, 6061 flow. Second operand has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 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) [2023-08-29 01:58:33,834 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:33,834 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 01:58:33,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:37,577 INFO L130 PetriNetUnfolder]: 7570/16097 cut-off events. [2023-08-29 01:58:37,577 INFO L131 PetriNetUnfolder]: For 106151/107090 co-relation queries the response was YES. [2023-08-29 01:58:37,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79544 conditions, 16097 events. 7570/16097 cut-off events. For 106151/107090 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 149763 event pairs, 1194 based on Foata normal form. 668/16375 useless extension candidates. Maximal degree in co-relation 79506. Up to 3293 conditions per place. [2023-08-29 01:58:37,706 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 489 selfloop transitions, 201 changer transitions 0/747 dead transitions. [2023-08-29 01:58:37,706 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 747 transitions, 12619 flow [2023-08-29 01:58:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:58:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:58:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9927 transitions. [2023-08-29 01:58:37,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4317964332318399 [2023-08-29 01:58:37,721 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9927 transitions. [2023-08-29 01:58:37,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9927 transitions. [2023-08-29 01:58:37,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:37,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9927 transitions. [2023-08-29 01:58:37,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 992.7) internal successors, (9927), 10 states have internal predecessors, (9927), 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) [2023-08-29 01:58:37,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:58:37,752 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:58:37,753 INFO L175 Difference]: Start difference. First operand has 142 places, 404 transitions, 6061 flow. Second operand 10 states and 9927 transitions. [2023-08-29 01:58:37,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 747 transitions, 12619 flow [2023-08-29 01:58:38,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 747 transitions, 12432 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 01:58:38,754 INFO L231 Difference]: Finished difference. Result has 153 places, 508 transitions, 8968 flow [2023-08-29 01:58:38,755 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=5958, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8968, PETRI_PLACES=153, PETRI_TRANSITIONS=508} [2023-08-29 01:58:38,755 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 12 predicate places. [2023-08-29 01:58:38,756 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 508 transitions, 8968 flow [2023-08-29 01:58:38,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 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) [2023-08-29 01:58:38,757 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:38,757 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:38,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:58:38,757 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:38,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:38,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1367660786, now seen corresponding path program 2 times [2023-08-29 01:58:38,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:38,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023115190] [2023-08-29 01:58:38,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:38,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:41,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:41,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023115190] [2023-08-29 01:58:41,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023115190] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:41,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:41,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:58:41,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977159598] [2023-08-29 01:58:41,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:41,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:58:41,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:41,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:58:41,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:58:42,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 01:58:42,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 508 transitions, 8968 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 01:58:42,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:42,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 01:58:42,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:49,202 INFO L130 PetriNetUnfolder]: 10158/23711 cut-off events. [2023-08-29 01:58:49,202 INFO L131 PetriNetUnfolder]: For 198984/201820 co-relation queries the response was YES. [2023-08-29 01:58:49,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123088 conditions, 23711 events. 10158/23711 cut-off events. For 198984/201820 co-relation queries the response was YES. Maximal size of possible extension queue 1423. Compared 255598 event pairs, 918 based on Foata normal form. 1412/24536 useless extension candidates. Maximal degree in co-relation 123044. Up to 5918 conditions per place. [2023-08-29 01:58:49,413 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 720 selfloop transitions, 300 changer transitions 0/1107 dead transitions. [2023-08-29 01:58:49,413 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 1107 transitions, 22300 flow [2023-08-29 01:58:49,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:58:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:58:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8955 transitions. [2023-08-29 01:58:49,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4327968682035668 [2023-08-29 01:58:49,427 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8955 transitions. [2023-08-29 01:58:49,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8955 transitions. [2023-08-29 01:58:49,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:49,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8955 transitions. [2023-08-29 01:58:49,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 995.0) internal successors, (8955), 9 states have internal predecessors, (8955), 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) [2023-08-29 01:58:49,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:58:49,456 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:58:49,457 INFO L175 Difference]: Start difference. First operand has 153 places, 508 transitions, 8968 flow. Second operand 9 states and 8955 transitions. [2023-08-29 01:58:49,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 1107 transitions, 22300 flow [2023-08-29 01:58:51,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1107 transitions, 22150 flow, removed 73 selfloop flow, removed 2 redundant places. [2023-08-29 01:58:51,690 INFO L231 Difference]: Finished difference. Result has 165 places, 710 transitions, 14589 flow [2023-08-29 01:58:51,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=8884, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14589, PETRI_PLACES=165, PETRI_TRANSITIONS=710} [2023-08-29 01:58:51,691 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 24 predicate places. [2023-08-29 01:58:51,691 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 710 transitions, 14589 flow [2023-08-29 01:58:51,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 01:58:51,692 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:51,693 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:51,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 01:58:51,693 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:58:51,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:51,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1255201092, now seen corresponding path program 3 times [2023-08-29 01:58:51,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:51,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221568989] [2023-08-29 01:58:51,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:51,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:53,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:53,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221568989] [2023-08-29 01:58:53,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221568989] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:53,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:53,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:58:53,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063920445] [2023-08-29 01:58:53,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:53,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:58:53,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:53,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:58:53,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:58:54,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 983 out of 2299 [2023-08-29 01:58:54,670 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 710 transitions, 14589 flow. Second operand has 9 states, 9 states have (on average 984.7777777777778) internal successors, (8863), 9 states have internal predecessors, (8863), 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) [2023-08-29 01:58:54,670 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:54,670 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 983 of 2299 [2023-08-29 01:58:54,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:00,491 INFO L130 PetriNetUnfolder]: 9788/22902 cut-off events. [2023-08-29 01:59:00,491 INFO L131 PetriNetUnfolder]: For 225749/228413 co-relation queries the response was YES. [2023-08-29 01:59:00,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126681 conditions, 22902 events. 9788/22902 cut-off events. For 225749/228413 co-relation queries the response was YES. Maximal size of possible extension queue 1353. Compared 245161 event pairs, 931 based on Foata normal form. 1453/23875 useless extension candidates. Maximal degree in co-relation 126631. Up to 7416 conditions per place. [2023-08-29 01:59:00,722 INFO L137 encePairwiseOnDemand]: 2291/2299 looper letters, 908 selfloop transitions, 66 changer transitions 0/1061 dead transitions. [2023-08-29 01:59:00,723 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 1061 transitions, 22620 flow [2023-08-29 01:59:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:59:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:59:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8958 transitions. [2023-08-29 01:59:00,732 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43294185877917934 [2023-08-29 01:59:00,732 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8958 transitions. [2023-08-29 01:59:00,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8958 transitions. [2023-08-29 01:59:00,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:00,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8958 transitions. [2023-08-29 01:59:00,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 995.3333333333334) internal successors, (8958), 9 states have internal predecessors, (8958), 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) [2023-08-29 01:59:00,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:59:00,762 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:59:00,762 INFO L175 Difference]: Start difference. First operand has 165 places, 710 transitions, 14589 flow. Second operand 9 states and 8958 transitions. [2023-08-29 01:59:00,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 1061 transitions, 22620 flow [2023-08-29 01:59:03,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 1061 transitions, 22537 flow, removed 41 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:03,164 INFO L231 Difference]: Finished difference. Result has 177 places, 732 transitions, 14986 flow [2023-08-29 01:59:03,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=14508, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14986, PETRI_PLACES=177, PETRI_TRANSITIONS=732} [2023-08-29 01:59:03,165 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 36 predicate places. [2023-08-29 01:59:03,165 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 732 transitions, 14986 flow [2023-08-29 01:59:03,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 984.7777777777778) internal successors, (8863), 9 states have internal predecessors, (8863), 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) [2023-08-29 01:59:03,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:03,166 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:03,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 01:59:03,166 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:03,167 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:03,167 INFO L85 PathProgramCache]: Analyzing trace with hash 385309848, now seen corresponding path program 1 times [2023-08-29 01:59:03,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:03,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097657669] [2023-08-29 01:59:03,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:03,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:05,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:05,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097657669] [2023-08-29 01:59:05,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097657669] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:05,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:05,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:59:05,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626749405] [2023-08-29 01:59:05,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:05,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:59:05,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:05,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:59:05,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:59:06,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 2299 [2023-08-29 01:59:06,130 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 732 transitions, 14986 flow. Second operand has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 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) [2023-08-29 01:59:06,130 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:06,130 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 2299 [2023-08-29 01:59:06,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:15,583 INFO L130 PetriNetUnfolder]: 21703/40276 cut-off events. [2023-08-29 01:59:15,583 INFO L131 PetriNetUnfolder]: For 402134/404512 co-relation queries the response was YES. [2023-08-29 01:59:15,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228094 conditions, 40276 events. 21703/40276 cut-off events. For 402134/404512 co-relation queries the response was YES. Maximal size of possible extension queue 1581. Compared 362328 event pairs, 6476 based on Foata normal form. 478/40077 useless extension candidates. Maximal degree in co-relation 228039. Up to 30087 conditions per place. [2023-08-29 01:59:16,038 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 515 selfloop transitions, 411 changer transitions 0/941 dead transitions. [2023-08-29 01:59:16,038 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 941 transitions, 20023 flow [2023-08-29 01:59:16,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:59:16,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:59:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7688 transitions. [2023-08-29 01:59:16,045 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41800782949108306 [2023-08-29 01:59:16,045 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 7688 transitions. [2023-08-29 01:59:16,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 7688 transitions. [2023-08-29 01:59:16,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:16,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 7688 transitions. [2023-08-29 01:59:16,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 961.0) internal successors, (7688), 8 states have internal predecessors, (7688), 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) [2023-08-29 01:59:16,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 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) [2023-08-29 01:59:16,066 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 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) [2023-08-29 01:59:16,067 INFO L175 Difference]: Start difference. First operand has 177 places, 732 transitions, 14986 flow. Second operand 8 states and 7688 transitions. [2023-08-29 01:59:16,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 941 transitions, 20023 flow [2023-08-29 01:59:21,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 941 transitions, 19916 flow, removed 53 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:21,609 INFO L231 Difference]: Finished difference. Result has 187 places, 857 transitions, 18847 flow [2023-08-29 01:59:21,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=14925, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18847, PETRI_PLACES=187, PETRI_TRANSITIONS=857} [2023-08-29 01:59:21,610 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 46 predicate places. [2023-08-29 01:59:21,610 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 857 transitions, 18847 flow [2023-08-29 01:59:21,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 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) [2023-08-29 01:59:21,612 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:21,612 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:21,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 01:59:21,612 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:21,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:21,612 INFO L85 PathProgramCache]: Analyzing trace with hash -31237930, now seen corresponding path program 5 times [2023-08-29 01:59:21,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:21,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994324212] [2023-08-29 01:59:21,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:21,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:23,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:23,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994324212] [2023-08-29 01:59:23,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994324212] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:23,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:23,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:59:23,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300505648] [2023-08-29 01:59:23,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:23,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:59:23,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:23,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:59:23,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:59:24,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 01:59:24,579 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 857 transitions, 18847 flow. Second operand has 11 states, 11 states have (on average 981.4545454545455) internal successors, (10796), 11 states have internal predecessors, (10796), 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) [2023-08-29 01:59:24,579 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:24,579 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 01:59:24,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:32,838 INFO L130 PetriNetUnfolder]: 14482/30923 cut-off events. [2023-08-29 01:59:32,839 INFO L131 PetriNetUnfolder]: For 390493/394177 co-relation queries the response was YES. [2023-08-29 01:59:33,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194365 conditions, 30923 events. 14482/30923 cut-off events. For 390493/394177 co-relation queries the response was YES. Maximal size of possible extension queue 1629. Compared 321546 event pairs, 1953 based on Foata normal form. 1861/32170 useless extension candidates. Maximal degree in co-relation 194306. Up to 10474 conditions per place. [2023-08-29 01:59:33,144 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 756 selfloop transitions, 434 changer transitions 0/1298 dead transitions. [2023-08-29 01:59:33,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 1298 transitions, 29868 flow [2023-08-29 01:59:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:59:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:59:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9935 transitions. [2023-08-29 01:59:33,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43214441061331016 [2023-08-29 01:59:33,150 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9935 transitions. [2023-08-29 01:59:33,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9935 transitions. [2023-08-29 01:59:33,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:33,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9935 transitions. [2023-08-29 01:59:33,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 993.5) internal successors, (9935), 10 states have internal predecessors, (9935), 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) [2023-08-29 01:59:33,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:59:33,174 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 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) [2023-08-29 01:59:33,174 INFO L175 Difference]: Start difference. First operand has 187 places, 857 transitions, 18847 flow. Second operand 10 states and 9935 transitions. [2023-08-29 01:59:33,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 1298 transitions, 29868 flow [2023-08-29 01:59:38,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 1298 transitions, 29273 flow, removed 36 selfloop flow, removed 6 redundant places. [2023-08-29 01:59:38,348 INFO L231 Difference]: Finished difference. Result has 193 places, 973 transitions, 23341 flow [2023-08-29 01:59:38,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=18359, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=23341, PETRI_PLACES=193, PETRI_TRANSITIONS=973} [2023-08-29 01:59:38,349 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 52 predicate places. [2023-08-29 01:59:38,349 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 973 transitions, 23341 flow [2023-08-29 01:59:38,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 981.4545454545455) internal successors, (10796), 11 states have internal predecessors, (10796), 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) [2023-08-29 01:59:38,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:38,351 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:38,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 01:59:38,351 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:38,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:38,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1084901268, now seen corresponding path program 4 times [2023-08-29 01:59:38,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:38,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910553825] [2023-08-29 01:59:38,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:40,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:40,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910553825] [2023-08-29 01:59:40,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910553825] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:40,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:40,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:59:40,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986832362] [2023-08-29 01:59:40,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:40,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:59:40,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:40,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:59:40,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:59:41,820 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 01:59:41,822 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 973 transitions, 23341 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 01:59:41,823 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:41,823 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 01:59:41,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:50,492 INFO L130 PetriNetUnfolder]: 13807/32507 cut-off events. [2023-08-29 01:59:50,493 INFO L131 PetriNetUnfolder]: For 451670/456363 co-relation queries the response was YES. [2023-08-29 01:59:50,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207734 conditions, 32507 events. 13807/32507 cut-off events. For 451670/456363 co-relation queries the response was YES. Maximal size of possible extension queue 2036. Compared 369402 event pairs, 1311 based on Foata normal form. 2806/34730 useless extension candidates. Maximal degree in co-relation 207675. Up to 12628 conditions per place. [2023-08-29 01:59:50,877 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 623 selfloop transitions, 564 changer transitions 0/1316 dead transitions. [2023-08-29 01:59:50,877 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 1316 transitions, 33491 flow [2023-08-29 01:59:50,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:59:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:59:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8951 transitions. [2023-08-29 01:59:50,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326035474360833 [2023-08-29 01:59:50,885 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8951 transitions. [2023-08-29 01:59:50,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8951 transitions. [2023-08-29 01:59:50,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:50,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8951 transitions. [2023-08-29 01:59:50,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 994.5555555555555) internal successors, (8951), 9 states have internal predecessors, (8951), 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) [2023-08-29 01:59:50,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:59:50,912 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 01:59:50,913 INFO L175 Difference]: Start difference. First operand has 193 places, 973 transitions, 23341 flow. Second operand 9 states and 8951 transitions. [2023-08-29 01:59:50,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 1316 transitions, 33491 flow [2023-08-29 01:59:56,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 1316 transitions, 33219 flow, removed 90 selfloop flow, removed 4 redundant places. [2023-08-29 01:59:56,460 INFO L231 Difference]: Finished difference. Result has 202 places, 1114 transitions, 29668 flow [2023-08-29 01:59:56,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=23083, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=29668, PETRI_PLACES=202, PETRI_TRANSITIONS=1114} [2023-08-29 01:59:56,461 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 61 predicate places. [2023-08-29 01:59:56,461 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 1114 transitions, 29668 flow [2023-08-29 01:59:56,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 01:59:56,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:56,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:56,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 01:59:56,462 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:56,462 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:56,462 INFO L85 PathProgramCache]: Analyzing trace with hash 497556308, now seen corresponding path program 5 times [2023-08-29 01:59:56,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:56,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613397044] [2023-08-29 01:59:56,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:58,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:58,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613397044] [2023-08-29 01:59:58,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613397044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:58,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:58,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:59:58,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112653680] [2023-08-29 01:59:58,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:58,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:59:58,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:58,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:59:58,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:59:59,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 01:59:59,798 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 1114 transitions, 29668 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 01:59:59,798 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:59,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 01:59:59,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:10,132 INFO L130 PetriNetUnfolder]: 14474/34370 cut-off events. [2023-08-29 02:00:10,132 INFO L131 PetriNetUnfolder]: For 565384/570615 co-relation queries the response was YES. [2023-08-29 02:00:10,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228929 conditions, 34370 events. 14474/34370 cut-off events. For 565384/570615 co-relation queries the response was YES. Maximal size of possible extension queue 2248. Compared 398265 event pairs, 1193 based on Foata normal form. 3237/36961 useless extension candidates. Maximal degree in co-relation 228866. Up to 10092 conditions per place. [2023-08-29 02:00:10,511 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 923 selfloop transitions, 596 changer transitions 0/1648 dead transitions. [2023-08-29 02:00:10,511 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 1648 transitions, 46173 flow [2023-08-29 02:00:10,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:00:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:00:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8952 transitions. [2023-08-29 02:00:10,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326518776279542 [2023-08-29 02:00:10,516 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8952 transitions. [2023-08-29 02:00:10,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8952 transitions. [2023-08-29 02:00:10,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:10,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8952 transitions. [2023-08-29 02:00:10,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 994.6666666666666) internal successors, (8952), 9 states have internal predecessors, (8952), 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) [2023-08-29 02:00:10,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 02:00:10,537 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 02:00:10,537 INFO L175 Difference]: Start difference. First operand has 202 places, 1114 transitions, 29668 flow. Second operand 9 states and 8952 transitions. [2023-08-29 02:00:10,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 1648 transitions, 46173 flow [2023-08-29 02:00:17,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 1648 transitions, 45076 flow, removed 105 selfloop flow, removed 8 redundant places. [2023-08-29 02:00:18,057 INFO L231 Difference]: Finished difference. Result has 205 places, 1280 transitions, 36557 flow [2023-08-29 02:00:18,058 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=28772, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=446, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36557, PETRI_PLACES=205, PETRI_TRANSITIONS=1280} [2023-08-29 02:00:18,058 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 64 predicate places. [2023-08-29 02:00:18,058 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 1280 transitions, 36557 flow [2023-08-29 02:00:18,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 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) [2023-08-29 02:00:18,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:18,060 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:18,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 02:00:18,060 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:18,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:18,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2048960161, now seen corresponding path program 1 times [2023-08-29 02:00:18,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:18,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263475032] [2023-08-29 02:00:18,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:18,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:00:19,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263475032] [2023-08-29 02:00:19,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263475032] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:19,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:19,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:00:19,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732852035] [2023-08-29 02:00:19,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:19,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:00:19,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:19,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:00:19,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:00:20,837 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 943 out of 2299 [2023-08-29 02:00:20,840 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 1280 transitions, 36557 flow. Second operand has 11 states, 11 states have (on average 945.0) internal successors, (10395), 11 states have internal predecessors, (10395), 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) [2023-08-29 02:00:20,840 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:20,840 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 943 of 2299 [2023-08-29 02:00:20,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:38,428 INFO L130 PetriNetUnfolder]: 28385/54447 cut-off events. [2023-08-29 02:00:38,428 INFO L131 PetriNetUnfolder]: For 716220/717684 co-relation queries the response was YES. [2023-08-29 02:00:38,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349110 conditions, 54447 events. 28385/54447 cut-off events. For 716220/717684 co-relation queries the response was YES. Maximal size of possible extension queue 2298. Compared 530623 event pairs, 8546 based on Foata normal form. 1049/54931 useless extension candidates. Maximal degree in co-relation 349048. Up to 28452 conditions per place. [2023-08-29 02:00:39,145 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 377 selfloop transitions, 1007 changer transitions 0/1398 dead transitions. [2023-08-29 02:00:39,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 1398 transitions, 40627 flow [2023-08-29 02:00:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:00:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:00:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8618 transitions. [2023-08-29 02:00:39,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41650959354308636 [2023-08-29 02:00:39,150 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8618 transitions. [2023-08-29 02:00:39,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8618 transitions. [2023-08-29 02:00:39,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:39,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8618 transitions. [2023-08-29 02:00:39,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 957.5555555555555) internal successors, (8618), 9 states have internal predecessors, (8618), 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) [2023-08-29 02:00:39,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 02:00:39,166 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 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) [2023-08-29 02:00:39,166 INFO L175 Difference]: Start difference. First operand has 205 places, 1280 transitions, 36557 flow. Second operand 9 states and 8618 transitions. [2023-08-29 02:00:39,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 1398 transitions, 40627 flow [2023-08-29 02:00:49,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 1398 transitions, 40222 flow, removed 96 selfloop flow, removed 4 redundant places. [2023-08-29 02:00:49,690 INFO L231 Difference]: Finished difference. Result has 208 places, 1279 transitions, 38216 flow [2023-08-29 02:00:49,690 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=36202, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38216, PETRI_PLACES=208, PETRI_TRANSITIONS=1279} [2023-08-29 02:00:49,691 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 67 predicate places. [2023-08-29 02:00:49,691 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 1279 transitions, 38216 flow [2023-08-29 02:00:49,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 945.0) internal successors, (10395), 11 states have internal predecessors, (10395), 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) [2023-08-29 02:00:49,692 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:49,692 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:49,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 02:00:49,693 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:49,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:49,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1140013306, now seen corresponding path program 1 times [2023-08-29 02:00:49,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:49,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079553383] [2023-08-29 02:00:49,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:49,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:00:50,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:50,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079553383] [2023-08-29 02:00:50,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079553383] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:50,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:50,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107003517] [2023-08-29 02:00:50,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:50,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:50,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:50,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:50,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:50,657 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 2299 [2023-08-29 02:00:50,659 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 1279 transitions, 38216 flow. Second operand has 6 states, 6 states have (on average 989.8333333333334) internal successors, (5939), 6 states have internal predecessors, (5939), 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) [2023-08-29 02:00:50,659 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:50,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 2299 [2023-08-29 02:00:50,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:01:01,350 INFO L130 PetriNetUnfolder]: 14898/34375 cut-off events. [2023-08-29 02:01:01,350 INFO L131 PetriNetUnfolder]: For 695630/700807 co-relation queries the response was YES. [2023-08-29 02:01:01,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238712 conditions, 34375 events. 14898/34375 cut-off events. For 695630/700807 co-relation queries the response was YES. Maximal size of possible extension queue 2195. Compared 388395 event pairs, 1769 based on Foata normal form. 2430/36192 useless extension candidates. Maximal degree in co-relation 238651. Up to 16016 conditions per place. [2023-08-29 02:01:01,912 INFO L137 encePairwiseOnDemand]: 2294/2299 looper letters, 1092 selfloop transitions, 4 changer transitions 0/1322 dead transitions. [2023-08-29 02:01:01,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 1322 transitions, 40866 flow [2023-08-29 02:01:01,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:01:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:01:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5992 transitions. [2023-08-29 02:01:01,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4343917645353052 [2023-08-29 02:01:01,917 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5992 transitions. [2023-08-29 02:01:01,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5992 transitions. [2023-08-29 02:01:01,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:01:01,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5992 transitions. [2023-08-29 02:01:01,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 998.6666666666666) internal successors, (5992), 6 states have internal predecessors, (5992), 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) [2023-08-29 02:01:01,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 02:01:01,928 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 02:01:01,928 INFO L175 Difference]: Start difference. First operand has 208 places, 1279 transitions, 38216 flow. Second operand 6 states and 5992 transitions. [2023-08-29 02:01:01,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 1322 transitions, 40866 flow [2023-08-29 02:01:08,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 1322 transitions, 39816 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 02:01:08,977 INFO L231 Difference]: Finished difference. Result has 206 places, 1278 transitions, 37172 flow [2023-08-29 02:01:08,978 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=37164, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=37172, PETRI_PLACES=206, PETRI_TRANSITIONS=1278} [2023-08-29 02:01:08,979 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 65 predicate places. [2023-08-29 02:01:08,979 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 1278 transitions, 37172 flow [2023-08-29 02:01:08,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 989.8333333333334) internal successors, (5939), 6 states have internal predecessors, (5939), 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) [2023-08-29 02:01:08,980 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:01:08,980 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:01:08,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 02:01:08,980 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:01:08,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:01:08,981 INFO L85 PathProgramCache]: Analyzing trace with hash -889650334, now seen corresponding path program 1 times [2023-08-29 02:01:08,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:01:08,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391756200] [2023-08-29 02:01:08,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:01:08,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:01:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:01:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 02:01:09,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:01:09,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391756200] [2023-08-29 02:01:09,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391756200] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:01:09,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:01:09,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:01:09,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355565276] [2023-08-29 02:01:09,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:01:09,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:01:09,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:01:09,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:01:09,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:01:10,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 2299 [2023-08-29 02:01:10,007 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 1278 transitions, 37172 flow. Second operand has 6 states, 6 states have (on average 990.8333333333334) internal successors, (5945), 6 states have internal predecessors, (5945), 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) [2023-08-29 02:01:10,007 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:01:10,007 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 2299 [2023-08-29 02:01:10,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:01:20,054 INFO L130 PetriNetUnfolder]: 13978/32241 cut-off events. [2023-08-29 02:01:20,054 INFO L131 PetriNetUnfolder]: For 644464/649650 co-relation queries the response was YES. [2023-08-29 02:01:20,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225463 conditions, 32241 events. 13978/32241 cut-off events. For 644464/649650 co-relation queries the response was YES. Maximal size of possible extension queue 2164. Compared 363740 event pairs, 2686 based on Foata normal form. 2438/34232 useless extension candidates. Maximal degree in co-relation 225402. Up to 18922 conditions per place. [2023-08-29 02:01:20,315 INFO L137 encePairwiseOnDemand]: 2294/2299 looper letters, 0 selfloop transitions, 0 changer transitions 1309/1309 dead transitions. [2023-08-29 02:01:20,316 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 1309 transitions, 39766 flow [2023-08-29 02:01:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:01:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:01:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5980 transitions. [2023-08-29 02:01:20,319 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4335218210816297 [2023-08-29 02:01:20,319 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5980 transitions. [2023-08-29 02:01:20,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5980 transitions. [2023-08-29 02:01:20,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:01:20,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5980 transitions. [2023-08-29 02:01:20,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 996.6666666666666) internal successors, (5980), 6 states have internal predecessors, (5980), 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) [2023-08-29 02:01:20,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 02:01:20,328 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 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) [2023-08-29 02:01:20,328 INFO L175 Difference]: Start difference. First operand has 206 places, 1278 transitions, 37172 flow. Second operand 6 states and 5980 transitions. [2023-08-29 02:01:20,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 1309 transitions, 39766 flow [2023-08-29 02:01:27,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 1309 transitions, 39759 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 02:01:27,691 INFO L231 Difference]: Finished difference. Result has 206 places, 0 transitions, 0 flow [2023-08-29 02:01:27,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=37163, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=206, PETRI_TRANSITIONS=0} [2023-08-29 02:01:27,692 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 65 predicate places. [2023-08-29 02:01:27,692 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 0 transitions, 0 flow [2023-08-29 02:01:27,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 990.8333333333334) internal successors, (5945), 6 states have internal predecessors, (5945), 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) [2023-08-29 02:01:27,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (88 of 89 remaining) [2023-08-29 02:01:27,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (87 of 89 remaining) [2023-08-29 02:01:27,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (86 of 89 remaining) [2023-08-29 02:01:27,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (85 of 89 remaining) [2023-08-29 02:01:27,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (84 of 89 remaining) [2023-08-29 02:01:27,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (83 of 89 remaining) [2023-08-29 02:01:27,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (82 of 89 remaining) [2023-08-29 02:01:27,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (81 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (80 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (79 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (78 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (77 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (76 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (75 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (74 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (73 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (72 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (71 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (70 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (69 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (68 of 89 remaining) [2023-08-29 02:01:27,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (67 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (66 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (65 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (64 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (63 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (62 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (61 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (60 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (59 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (58 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (57 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (56 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (55 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (54 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (53 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (52 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (51 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (50 of 89 remaining) [2023-08-29 02:01:27,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (49 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (48 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (47 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (46 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (45 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (44 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (43 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (42 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (41 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (40 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (39 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (38 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (37 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (36 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (35 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (34 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (33 of 89 remaining) [2023-08-29 02:01:27,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (32 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (31 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (30 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (29 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (28 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (27 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (26 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (25 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (24 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (23 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (22 of 89 remaining) [2023-08-29 02:01:27,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (21 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (20 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (19 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (18 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (17 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (16 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (15 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (14 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (13 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 89 remaining) [2023-08-29 02:01:27,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (10 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (9 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (8 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (7 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (6 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (5 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (4 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (3 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (2 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (1 of 89 remaining) [2023-08-29 02:01:27,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (0 of 89 remaining) [2023-08-29 02:01:27,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 02:01:27,702 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:01:27,706 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:01:27,707 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:01:27,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:01:27 BasicIcfg [2023-08-29 02:01:27,710 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:01:27,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:01:27,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:01:27,710 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:01:27,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:50:00" (3/4) ... [2023-08-29 02:01:27,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:01:27,717 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 02:01:27,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 02:01:27,732 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 02:01:27,733 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 02:01:27,735 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 02:01:27,736 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:01:27,809 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:01:27,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:01:27,810 INFO L158 Benchmark]: Toolchain (without parser) took 694245.36ms. Allocated memory was 79.7MB in the beginning and 11.8GB in the end (delta: 11.8GB). Free memory was 45.6MB in the beginning and 6.7GB in the end (delta: -6.7GB). Peak memory consumption was 5.1GB. Max. memory is 16.1GB. [2023-08-29 02:01:27,810 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:01:27,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4607.19ms. Allocated memory was 79.7MB in the beginning and 134.2MB in the end (delta: 54.5MB). Free memory was 45.4MB in the beginning and 34.4MB in the end (delta: 11.0MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2023-08-29 02:01:27,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 291.25ms. Allocated memory is still 134.2MB. Free memory was 34.4MB in the beginning and 50.7MB in the end (delta: -16.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-08-29 02:01:27,811 INFO L158 Benchmark]: Boogie Preprocessor took 86.66ms. Allocated memory is still 134.2MB. Free memory was 50.7MB in the beginning and 43.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 02:01:27,811 INFO L158 Benchmark]: RCFGBuilder took 1547.47ms. Allocated memory was 134.2MB in the beginning and 245.4MB in the end (delta: 111.1MB). Free memory was 42.9MB in the beginning and 148.5MB in the end (delta: -105.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-08-29 02:01:27,812 INFO L158 Benchmark]: TraceAbstraction took 687606.38ms. Allocated memory was 245.4MB in the beginning and 11.8GB in the end (delta: 11.6GB). Free memory was 147.5MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-08-29 02:01:27,812 INFO L158 Benchmark]: Witness Printer took 99.35ms. Allocated memory is still 11.8GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 02:01:27,813 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4607.19ms. Allocated memory was 79.7MB in the beginning and 134.2MB in the end (delta: 54.5MB). Free memory was 45.4MB in the beginning and 34.4MB in the end (delta: 11.0MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 291.25ms. Allocated memory is still 134.2MB. Free memory was 34.4MB in the beginning and 50.7MB in the end (delta: -16.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.66ms. Allocated memory is still 134.2MB. Free memory was 50.7MB in the beginning and 43.7MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1547.47ms. Allocated memory was 134.2MB in the beginning and 245.4MB in the end (delta: 111.1MB). Free memory was 42.9MB in the beginning and 148.5MB in the end (delta: -105.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 687606.38ms. Allocated memory was 245.4MB in the beginning and 11.8GB in the end (delta: 11.6GB). Free memory was 147.5MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. * Witness Printer took 99.35ms. Allocated memory is still 11.8GB. Free memory was 6.7GB in the beginning and 6.7GB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 468.7s, 996 PlacesBefore, 141 PlacesAfterwards, 1033 TransitionsBefore, 155 TransitionsAfterwards, 11680 CoEnabledTransitionPairs, 12 FixpointIterations, 1074 TrivialSequentialCompositions, 98 ConcurrentSequentialCompositions, 49 TrivialYvCompositions, 12 ConcurrentYvCompositions, 23 ChoiceCompositions, 1256 TotalNumberOfCompositions, 39342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11319, independent: 10338, independent conditional: 0, independent unconditional: 10338, dependent: 981, dependent conditional: 0, dependent unconditional: 981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5782, independent: 5714, independent conditional: 0, independent unconditional: 5714, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11319, independent: 4624, independent conditional: 0, independent unconditional: 4624, dependent: 913, dependent conditional: 0, dependent unconditional: 913, unknown: 5782, unknown conditional: 0, unknown unconditional: 5782] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 197, Positive conditional cache size: 0, Positive unconditional cache size: 197, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1663]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6883]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6884]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7042]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7043]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7044]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7045]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7046]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7047]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7048]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7049]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7050]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7051]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7052]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7053]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7054]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7055]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7056]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7057]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7058]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7059]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7060]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7061]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7062]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7063]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7064]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7065]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7070]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7071]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6901]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7017]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6834]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1123 locations, 89 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: 687.4s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 189.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 469.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12609 SdHoareTripleChecker+Valid, 42.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9412 mSDsluCounter, 6290 SdHoareTripleChecker+Invalid, 38.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6068 mSDsCounter, 3746 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36363 IncrementalHoareTripleChecker+Invalid, 40109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3746 mSolverCounterUnsat, 222 mSDtfsCounter, 36363 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38216occurred in iteration=20, InterpolantAutomatonStates: 163, 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 6314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 - AllSpecificationsHoldResult: All specifications hold 79 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:01:27,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE