./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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_change_pc8736x_gpio_configure.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 fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 16:59:05,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 16:59:05,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 16:59:05,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 16:59:05,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 16:59:05,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 16:59:05,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 16:59:05,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 16:59:05,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 16:59:05,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 16:59:05,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 16:59:05,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 16:59:05,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 16:59:05,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 16:59:05,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 16:59:05,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 16:59:05,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 16:59:05,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 16:59:05,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 16:59:05,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 16:59:05,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 16:59:05,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 16:59:05,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 16:59:05,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 16:59:05,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 16:59:05,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 16:59:05,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 16:59:05,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 16:59:05,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 16:59:05,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 16:59:05,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 16:59:05,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 16:59:05,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 16:59:05,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 16:59:05,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 16:59:05,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 16:59:05,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 16:59:05,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 16:59:05,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 16:59:05,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 16:59:05,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 16:59:05,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 16:59:05,395 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 16:59:05,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 16:59:05,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 16:59:05,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 16:59:05,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 16:59:05,398 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 16:59:05,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 16:59:05,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 16:59:05,398 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 16:59:05,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 16:59:05,399 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 16:59:05,400 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 16:59:05,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 16:59:05,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 16:59:05,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 16:59:05,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 16:59:05,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 16:59:05,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 16:59:05,401 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 16:59:05,401 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 16:59:05,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 16:59:05,402 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 16:59:05,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 16:59:05,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 16:59:05,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 16:59:05,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 16:59:05,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:59:05,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 16:59:05,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 16:59:05,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 16:59:05,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 16:59:05,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 16:59:05,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 16:59:05,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 16:59:05,405 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 16:59:05,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 16:59:05,405 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 16:59:05,405 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 16:59:05,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 16:59:05,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 16:59:05,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 16:59:05,745 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 16:59:05,746 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 16:59:05,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-08-29 16:59:06,944 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 16:59:07,356 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 16:59:07,357 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-08-29 16:59:07,403 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a2c2d96/154cb9c498a24b498d24465b348f2787/FLAGc3f552c60 [2023-08-29 16:59:07,417 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a2c2d96/154cb9c498a24b498d24465b348f2787 [2023-08-29 16:59:07,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 16:59:07,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 16:59:07,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 16:59:07,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 16:59:07,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 16:59:07,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:59:07" (1/1) ... [2023-08-29 16:59:07,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d71eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:07, skipping insertion in model container [2023-08-29 16:59:07,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:59:07" (1/1) ... [2023-08-29 16:59:07,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 16:59:07,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 16:59:07,841 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_change_pc8736x_gpio_configure.i[5469,5482] [2023-08-29 16:59:10,391 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 16:59:10,902 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 16:59:10,905 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 16:59:10,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:59:11,005 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 16:59:11,031 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_change_pc8736x_gpio_configure.i[5469,5482] [2023-08-29 16:59:11,384 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 16:59:11,493 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 16:59:11,494 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 16:59:11,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:59:12,205 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:59:12,206 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:59:12,206 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:59:12,206 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:59:12,206 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:59:12,206 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:59:12,206 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:59:12,212 INFO L208 MainTranslator]: Completed translation [2023-08-29 16:59:12,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12 WrapperNode [2023-08-29 16:59:12,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 16:59:12,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 16:59:12,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 16:59:12,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 16:59:12,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,436 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 75, statements flattened = 1159 [2023-08-29 16:59:12,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 16:59:12,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 16:59:12,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 16:59:12,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 16:59:12,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 16:59:12,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 16:59:12,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 16:59:12,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 16:59:12,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (1/1) ... [2023-08-29 16:59:12,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:59:12,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 16:59:12,589 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 16:59:12,617 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 16:59:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 16:59:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 16:59:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 16:59:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 16:59:12,636 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 16:59:12,636 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 16:59:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 16:59:12,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 16:59:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 16:59:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 16:59:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 16:59:12,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 16:59:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 16:59:12,638 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 16:59:12,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 16:59:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 16:59:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 16:59:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 16:59:12,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 16:59:12,641 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 16:59:13,167 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 16:59:13,169 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 16:59:14,116 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 16:59:14,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 16:59:14,187 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-08-29 16:59:14,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:59:14 BoogieIcfgContainer [2023-08-29 16:59:14,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 16:59:14,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 16:59:14,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 16:59:14,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 16:59:14,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:59:07" (1/3) ... [2023-08-29 16:59:14,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ddc676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:59:14, skipping insertion in model container [2023-08-29 16:59:14,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:59:12" (2/3) ... [2023-08-29 16:59:14,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ddc676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:59:14, skipping insertion in model container [2023-08-29 16:59:14,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:59:14" (3/3) ... [2023-08-29 16:59:14,200 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-08-29 16:59:14,206 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 16:59:14,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 16:59:14,215 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2023-08-29 16:59:14,216 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 16:59:14,428 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 16:59:14,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1268 places, 1321 transitions, 2658 flow [2023-08-29 16:59:14,961 INFO L130 PetriNetUnfolder]: 60/1319 cut-off events. [2023-08-29 16:59:14,961 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 16:59:14,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1328 conditions, 1319 events. 60/1319 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 2582 event pairs, 0 based on Foata normal form. 0/1157 useless extension candidates. Maximal degree in co-relation 1099. Up to 9 conditions per place. [2023-08-29 16:59:14,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 1268 places, 1321 transitions, 2658 flow [2023-08-29 16:59:14,989 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1258 places, 1311 transitions, 2631 flow [2023-08-29 16:59:14,992 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 16:59:15,000 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1258 places, 1311 transitions, 2631 flow [2023-08-29 16:59:15,002 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1258 places, 1311 transitions, 2631 flow [2023-08-29 16:59:15,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1258 places, 1311 transitions, 2631 flow [2023-08-29 16:59:15,309 INFO L130 PetriNetUnfolder]: 60/1311 cut-off events. [2023-08-29 16:59:15,310 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 16:59:15,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1319 conditions, 1311 events. 60/1311 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 2355 event pairs, 0 based on Foata normal form. 0/1149 useless extension candidates. Maximal degree in co-relation 1099. Up to 9 conditions per place. [2023-08-29 16:59:15,347 INFO L119 LiptonReduction]: Number of co-enabled transitions 94800 [2023-08-29 17:00:53,824 WARN L222 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 435 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:04:35,939 WARN L222 SmtUtils]: Spent 3.02m on a formula simplification. DAG size of input: 664 DAG size of output: 662 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:05:28,391 WARN L222 SmtUtils]: Spent 52.43s 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 17:08:10,604 WARN L222 SmtUtils]: Spent 2.70m on a formula simplification. DAG size of input: 667 DAG size of output: 665 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:09:29,058 WARN L222 SmtUtils]: Spent 1.31m 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 17:09:44,522 WARN L222 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 313 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:09:48,460 INFO L134 LiptonReduction]: Checked pairs total: 206601 [2023-08-29 17:09:48,460 INFO L136 LiptonReduction]: Total number of compositions: 1597 [2023-08-29 17:09:48,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:09:48,476 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;@5442ac12, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:09:48,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2023-08-29 17:09:48,478 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:09:48,478 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:09:48,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:48,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:09:48,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:48,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:48,483 INFO L85 PathProgramCache]: Analyzing trace with hash 4960, now seen corresponding path program 1 times [2023-08-29 17:09:48,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:48,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756732515] [2023-08-29 17:09:48,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:48,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:48,675 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 17:09:48,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:48,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756732515] [2023-08-29 17:09:48,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756732515] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:48,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:48,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:09:48,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652191049] [2023-08-29 17:09:48,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:48,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:09:48,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:48,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:09:48,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:09:48,717 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1280 out of 2918 [2023-08-29 17:09:48,724 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 203 transitions, 415 flow. Second operand has 2 states, 2 states have (on average 1280.5) internal successors, (2561), 2 states have internal predecessors, (2561), 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 17:09:48,724 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:48,724 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1280 of 2918 [2023-08-29 17:09:48,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:49,571 INFO L130 PetriNetUnfolder]: 293/962 cut-off events. [2023-08-29 17:09:49,572 INFO L131 PetriNetUnfolder]: For 57/89 co-relation queries the response was YES. [2023-08-29 17:09:49,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1542 conditions, 962 events. 293/962 cut-off events. For 57/89 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5357 event pairs, 282 based on Foata normal form. 46/965 useless extension candidates. Maximal degree in co-relation 1223. Up to 546 conditions per place. [2023-08-29 17:09:49,579 INFO L137 encePairwiseOnDemand]: 2819/2918 looper letters, 53 selfloop transitions, 0 changer transitions 0/104 dead transitions. [2023-08-29 17:09:49,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 104 transitions, 323 flow [2023-08-29 17:09:49,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:09:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:09:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2712 transitions. [2023-08-29 17:09:49,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46470185058259084 [2023-08-29 17:09:49,605 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2712 transitions. [2023-08-29 17:09:49,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2712 transitions. [2023-08-29 17:09:49,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:49,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2712 transitions. [2023-08-29 17:09:49,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1356.0) internal successors, (2712), 2 states have internal predecessors, (2712), 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 17:09:49,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2918.0) internal successors, (8754), 3 states have internal predecessors, (8754), 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 17:09:49,645 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2918.0) internal successors, (8754), 3 states have internal predecessors, (8754), 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 17:09:49,647 INFO L175 Difference]: Start difference. First operand has 186 places, 203 transitions, 415 flow. Second operand 2 states and 2712 transitions. [2023-08-29 17:09:49,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 104 transitions, 323 flow [2023-08-29 17:09:49,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 104 transitions, 318 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:09:49,655 INFO L231 Difference]: Finished difference. Result has 98 places, 104 transitions, 212 flow [2023-08-29 17:09:49,657 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=212, PETRI_PLACES=98, PETRI_TRANSITIONS=104} [2023-08-29 17:09:49,660 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -88 predicate places. [2023-08-29 17:09:49,660 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 104 transitions, 212 flow [2023-08-29 17:09:49,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1280.5) internal successors, (2561), 2 states have internal predecessors, (2561), 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 17:09:49,663 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:49,663 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:09:49,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:09:49,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:49,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash 4993522, now seen corresponding path program 1 times [2023-08-29 17:09:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:49,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275625796] [2023-08-29 17:09:49,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:49,995 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 17:09:49,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:49,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275625796] [2023-08-29 17:09:49,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275625796] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:49,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:49,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:09:49,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867646145] [2023-08-29 17:09:49,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:49,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:09:49,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:49,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:09:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:09:50,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1261 out of 2918 [2023-08-29 17:09:50,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 104 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 1262.0) internal successors, (3786), 3 states have internal predecessors, (3786), 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 17:09:50,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:50,029 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1261 of 2918 [2023-08-29 17:09:50,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:50,966 INFO L130 PetriNetUnfolder]: 293/960 cut-off events. [2023-08-29 17:09:50,966 INFO L131 PetriNetUnfolder]: For 17/49 co-relation queries the response was YES. [2023-08-29 17:09:50,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 960 events. 293/960 cut-off events. For 17/49 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5333 event pairs, 282 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1516. Up to 543 conditions per place. [2023-08-29 17:09:50,972 INFO L137 encePairwiseOnDemand]: 2913/2918 looper letters, 50 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2023-08-29 17:09:50,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 314 flow [2023-08-29 17:09:50,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:09:50,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:09:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3838 transitions. [2023-08-29 17:09:50,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4384281471327393 [2023-08-29 17:09:50,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3838 transitions. [2023-08-29 17:09:50,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3838 transitions. [2023-08-29 17:09:50,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:50,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3838 transitions. [2023-08-29 17:09:50,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1279.3333333333333) internal successors, (3838), 3 states have internal predecessors, (3838), 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 17:09:51,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:51,013 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:51,013 INFO L175 Difference]: Start difference. First operand has 98 places, 104 transitions, 212 flow. Second operand 3 states and 3838 transitions. [2023-08-29 17:09:51,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 314 flow [2023-08-29 17:09:51,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 102 transitions, 314 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:09:51,016 INFO L231 Difference]: Finished difference. Result has 98 places, 102 transitions, 214 flow [2023-08-29 17:09:51,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=98, PETRI_TRANSITIONS=102} [2023-08-29 17:09:51,017 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -88 predicate places. [2023-08-29 17:09:51,017 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 102 transitions, 214 flow [2023-08-29 17:09:51,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1262.0) internal successors, (3786), 3 states have internal predecessors, (3786), 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 17:09:51,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:51,020 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:09:51,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:09:51,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:51,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:51,021 INFO L85 PathProgramCache]: Analyzing trace with hash 505374179, now seen corresponding path program 1 times [2023-08-29 17:09:51,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:51,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147265695] [2023-08-29 17:09:51,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:51,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:51,290 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 17:09:51,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:51,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147265695] [2023-08-29 17:09:51,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147265695] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:51,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:51,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:09:51,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158928273] [2023-08-29 17:09:51,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:51,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:09:51,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:51,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:09:51,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:09:51,320 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1276 out of 2918 [2023-08-29 17:09:51,325 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 102 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 1277.3333333333333) internal successors, (3832), 3 states have internal predecessors, (3832), 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 17:09:51,325 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:51,325 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1276 of 2918 [2023-08-29 17:09:51,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:51,767 INFO L130 PetriNetUnfolder]: 291/957 cut-off events. [2023-08-29 17:09:51,767 INFO L131 PetriNetUnfolder]: For 17/49 co-relation queries the response was YES. [2023-08-29 17:09:51,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 957 events. 291/957 cut-off events. For 17/49 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5297 event pairs, 282 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1512. Up to 542 conditions per place. [2023-08-29 17:09:51,773 INFO L137 encePairwiseOnDemand]: 2915/2918 looper letters, 49 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2023-08-29 17:09:51,773 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 99 transitions, 306 flow [2023-08-29 17:09:51,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:09:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:09:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3880 transitions. [2023-08-29 17:09:51,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44322595384966873 [2023-08-29 17:09:51,784 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3880 transitions. [2023-08-29 17:09:51,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3880 transitions. [2023-08-29 17:09:51,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:51,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3880 transitions. [2023-08-29 17:09:51,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1293.3333333333333) internal successors, (3880), 3 states have internal predecessors, (3880), 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 17:09:51,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:51,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:51,819 INFO L175 Difference]: Start difference. First operand has 98 places, 102 transitions, 214 flow. Second operand 3 states and 3880 transitions. [2023-08-29 17:09:51,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 99 transitions, 306 flow [2023-08-29 17:09:51,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 99 transitions, 304 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:09:51,823 INFO L231 Difference]: Finished difference. Result has 98 places, 99 transitions, 206 flow [2023-08-29 17:09:51,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=98, PETRI_TRANSITIONS=99} [2023-08-29 17:09:51,824 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -88 predicate places. [2023-08-29 17:09:51,825 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 99 transitions, 206 flow [2023-08-29 17:09:51,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1277.3333333333333) internal successors, (3832), 3 states have internal predecessors, (3832), 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 17:09:51,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:51,827 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 17:09:51,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:09:51,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:51,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:51,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1471486874, now seen corresponding path program 1 times [2023-08-29 17:09:51,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:51,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5050927] [2023-08-29 17:09:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:51,993 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 17:09:51,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:51,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5050927] [2023-08-29 17:09:51,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5050927] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:51,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:51,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:09:51,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224224942] [2023-08-29 17:09:51,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:51,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:09:51,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:51,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:09:51,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:09:52,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1264 out of 2918 [2023-08-29 17:09:52,020 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 99 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 1266.0) internal successors, (3798), 3 states have internal predecessors, (3798), 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 17:09:52,021 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:52,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1264 of 2918 [2023-08-29 17:09:52,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:52,774 INFO L130 PetriNetUnfolder]: 519/1540 cut-off events. [2023-08-29 17:09:52,775 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2023-08-29 17:09:52,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2496 conditions, 1540 events. 519/1540 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8912 event pairs, 510 based on Foata normal form. 0/1510 useless extension candidates. Maximal degree in co-relation 2492. Up to 930 conditions per place. [2023-08-29 17:09:52,782 INFO L137 encePairwiseOnDemand]: 2913/2918 looper letters, 53 selfloop transitions, 1 changer transitions 0/95 dead transitions. [2023-08-29 17:09:52,783 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 95 transitions, 306 flow [2023-08-29 17:09:52,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:09:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:09:52,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3850 transitions. [2023-08-29 17:09:52,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.439798949051862 [2023-08-29 17:09:52,792 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3850 transitions. [2023-08-29 17:09:52,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3850 transitions. [2023-08-29 17:09:52,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:52,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3850 transitions. [2023-08-29 17:09:52,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1283.3333333333333) internal successors, (3850), 3 states have internal predecessors, (3850), 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 17:09:52,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:52,813 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:52,813 INFO L175 Difference]: Start difference. First operand has 98 places, 99 transitions, 206 flow. Second operand 3 states and 3850 transitions. [2023-08-29 17:09:52,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 95 transitions, 306 flow [2023-08-29 17:09:52,814 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 95 transitions, 305 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:09:52,815 INFO L231 Difference]: Finished difference. Result has 95 places, 95 transitions, 199 flow [2023-08-29 17:09:52,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=95, PETRI_TRANSITIONS=95} [2023-08-29 17:09:52,816 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -91 predicate places. [2023-08-29 17:09:52,817 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 95 transitions, 199 flow [2023-08-29 17:09:52,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1266.0) internal successors, (3798), 3 states have internal predecessors, (3798), 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 17:09:52,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:52,818 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:09:52,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:09:52,818 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:52,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:52,819 INFO L85 PathProgramCache]: Analyzing trace with hash -198036105, now seen corresponding path program 1 times [2023-08-29 17:09:52,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:52,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620694357] [2023-08-29 17:09:52,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:52,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:53,168 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 17:09:53,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:53,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620694357] [2023-08-29 17:09:53,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620694357] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:53,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:53,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:09:53,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607744981] [2023-08-29 17:09:53,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:53,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:09:53,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:53,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:09:53,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:09:53,385 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1258 out of 2918 [2023-08-29 17:09:53,388 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 95 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 1261.6666666666667) internal successors, (3785), 3 states have internal predecessors, (3785), 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 17:09:53,388 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:53,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1258 of 2918 [2023-08-29 17:09:53,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:54,177 INFO L130 PetriNetUnfolder]: 417/1252 cut-off events. [2023-08-29 17:09:54,178 INFO L131 PetriNetUnfolder]: For 23/92 co-relation queries the response was YES. [2023-08-29 17:09:54,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2059 conditions, 1252 events. 417/1252 cut-off events. For 23/92 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7445 event pairs, 138 based on Foata normal form. 0/1194 useless extension candidates. Maximal degree in co-relation 2055. Up to 449 conditions per place. [2023-08-29 17:09:54,183 INFO L137 encePairwiseOnDemand]: 2909/2918 looper letters, 68 selfloop transitions, 7 changer transitions 0/116 dead transitions. [2023-08-29 17:09:54,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 116 transitions, 392 flow [2023-08-29 17:09:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:09:54,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:09:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3851 transitions. [2023-08-29 17:09:54,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43991318254512224 [2023-08-29 17:09:54,193 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3851 transitions. [2023-08-29 17:09:54,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3851 transitions. [2023-08-29 17:09:54,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:54,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3851 transitions. [2023-08-29 17:09:54,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1283.6666666666667) internal successors, (3851), 3 states have internal predecessors, (3851), 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 17:09:54,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:54,213 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:09:54,213 INFO L175 Difference]: Start difference. First operand has 95 places, 95 transitions, 199 flow. Second operand 3 states and 3851 transitions. [2023-08-29 17:09:54,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 116 transitions, 392 flow [2023-08-29 17:09:54,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 116 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:09:54,216 INFO L231 Difference]: Finished difference. Result has 98 places, 101 transitions, 254 flow [2023-08-29 17:09:54,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=254, PETRI_PLACES=98, PETRI_TRANSITIONS=101} [2023-08-29 17:09:54,217 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -88 predicate places. [2023-08-29 17:09:54,217 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 101 transitions, 254 flow [2023-08-29 17:09:54,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1261.6666666666667) internal successors, (3785), 3 states have internal predecessors, (3785), 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 17:09:54,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:54,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:09:54,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:09:54,219 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:54,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:54,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1350625703, now seen corresponding path program 1 times [2023-08-29 17:09:54,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:54,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873604010] [2023-08-29 17:09:54,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:54,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:55,070 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 17:09:55,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:55,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873604010] [2023-08-29 17:09:55,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873604010] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:55,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:55,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:09:55,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463195488] [2023-08-29 17:09:55,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:55,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:09:55,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:55,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:09:55,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:09:55,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1259 out of 2918 [2023-08-29 17:09:55,642 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 101 transitions, 254 flow. Second operand has 6 states, 6 states have (on average 1261.0) internal successors, (7566), 6 states have internal predecessors, (7566), 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 17:09:55,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:55,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1259 of 2918 [2023-08-29 17:09:55,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:57,179 INFO L130 PetriNetUnfolder]: 2124/4911 cut-off events. [2023-08-29 17:09:57,180 INFO L131 PetriNetUnfolder]: For 1392/1462 co-relation queries the response was YES. [2023-08-29 17:09:57,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9909 conditions, 4911 events. 2124/4911 cut-off events. For 1392/1462 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 36731 event pairs, 578 based on Foata normal form. 26/4758 useless extension candidates. Maximal degree in co-relation 9904. Up to 2030 conditions per place. [2023-08-29 17:09:57,206 INFO L137 encePairwiseOnDemand]: 2909/2918 looper letters, 146 selfloop transitions, 29 changer transitions 0/215 dead transitions. [2023-08-29 17:09:57,206 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 215 transitions, 953 flow [2023-08-29 17:09:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:09:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:09:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7705 transitions. [2023-08-29 17:09:57,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4400845327850126 [2023-08-29 17:09:57,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7705 transitions. [2023-08-29 17:09:57,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7705 transitions. [2023-08-29 17:09:57,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:57,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7705 transitions. [2023-08-29 17:09:57,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1284.1666666666667) internal successors, (7705), 6 states have internal predecessors, (7705), 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 17:09:57,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2918.0) internal successors, (20426), 7 states have internal predecessors, (20426), 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 17:09:57,263 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2918.0) internal successors, (20426), 7 states have internal predecessors, (20426), 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 17:09:57,264 INFO L175 Difference]: Start difference. First operand has 98 places, 101 transitions, 254 flow. Second operand 6 states and 7705 transitions. [2023-08-29 17:09:57,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 215 transitions, 953 flow [2023-08-29 17:09:57,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 215 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:09:57,275 INFO L231 Difference]: Finished difference. Result has 106 places, 129 transitions, 482 flow [2023-08-29 17:09:57,276 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=482, PETRI_PLACES=106, PETRI_TRANSITIONS=129} [2023-08-29 17:09:57,278 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -80 predicate places. [2023-08-29 17:09:57,278 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 129 transitions, 482 flow [2023-08-29 17:09:57,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1261.0) internal successors, (7566), 6 states have internal predecessors, (7566), 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 17:09:57,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:57,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:09:57,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:09:57,281 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:57,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:57,282 INFO L85 PathProgramCache]: Analyzing trace with hash 651276783, now seen corresponding path program 1 times [2023-08-29 17:09:57,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:57,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028495067] [2023-08-29 17:09:57,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:57,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:58,028 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 17:09:58,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:58,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028495067] [2023-08-29 17:09:58,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028495067] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:58,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:58,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 17:09:58,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419412316] [2023-08-29 17:09:58,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:58,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 17:09:58,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:58,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 17:09:58,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 17:09:58,455 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1257 out of 2918 [2023-08-29 17:09:58,459 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 129 transitions, 482 flow. Second operand has 5 states, 5 states have (on average 1259.8) internal successors, (6299), 5 states have internal predecessors, (6299), 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 17:09:58,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:58,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1257 of 2918 [2023-08-29 17:09:58,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:59,705 INFO L130 PetriNetUnfolder]: 1084/3172 cut-off events. [2023-08-29 17:09:59,705 INFO L131 PetriNetUnfolder]: For 2719/2877 co-relation queries the response was YES. [2023-08-29 17:09:59,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7230 conditions, 3172 events. 1084/3172 cut-off events. For 2719/2877 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 24317 event pairs, 382 based on Foata normal form. 14/3055 useless extension candidates. Maximal degree in co-relation 7221. Up to 1278 conditions per place. [2023-08-29 17:09:59,731 INFO L137 encePairwiseOnDemand]: 2913/2918 looper letters, 80 selfloop transitions, 12 changer transitions 0/137 dead transitions. [2023-08-29 17:09:59,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 137 transitions, 707 flow [2023-08-29 17:09:59,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 17:09:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 17:09:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5089 transitions. [2023-08-29 17:09:59,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43600068540095954 [2023-08-29 17:09:59,744 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 5089 transitions. [2023-08-29 17:09:59,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5089 transitions. [2023-08-29 17:09:59,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:59,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 5089 transitions. [2023-08-29 17:09:59,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1272.25) internal successors, (5089), 4 states have internal predecessors, (5089), 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 17:09:59,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2918.0) internal successors, (14590), 5 states have internal predecessors, (14590), 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 17:09:59,772 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2918.0) internal successors, (14590), 5 states have internal predecessors, (14590), 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 17:09:59,773 INFO L175 Difference]: Start difference. First operand has 106 places, 129 transitions, 482 flow. Second operand 4 states and 5089 transitions. [2023-08-29 17:09:59,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 137 transitions, 707 flow [2023-08-29 17:09:59,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 137 transitions, 707 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:09:59,779 INFO L231 Difference]: Finished difference. Result has 107 places, 127 transitions, 498 flow [2023-08-29 17:09:59,780 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=498, PETRI_PLACES=107, PETRI_TRANSITIONS=127} [2023-08-29 17:09:59,780 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -79 predicate places. [2023-08-29 17:09:59,781 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 127 transitions, 498 flow [2023-08-29 17:09:59,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1259.8) internal successors, (6299), 5 states have internal predecessors, (6299), 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 17:09:59,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:59,783 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:09:59,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:09:59,783 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:09:59,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:59,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1127508751, now seen corresponding path program 1 times [2023-08-29 17:09:59,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:59,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981219176] [2023-08-29 17:09:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:59,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:01,879 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 17:10:01,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:01,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981219176] [2023-08-29 17:10:01,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981219176] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:01,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:01,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:10:01,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35249667] [2023-08-29 17:10:01,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:01,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:10:01,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:01,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:10:01,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:10:02,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1258 out of 2918 [2023-08-29 17:10:02,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 127 transitions, 498 flow. Second operand has 9 states, 9 states have (on average 1259.6666666666667) internal successors, (11337), 9 states have internal predecessors, (11337), 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 17:10:02,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:02,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1258 of 2918 [2023-08-29 17:10:02,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:05,100 INFO L130 PetriNetUnfolder]: 2043/4517 cut-off events. [2023-08-29 17:10:05,101 INFO L131 PetriNetUnfolder]: For 2284/2342 co-relation queries the response was YES. [2023-08-29 17:10:05,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11533 conditions, 4517 events. 2043/4517 cut-off events. For 2284/2342 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 32526 event pairs, 372 based on Foata normal form. 107/4504 useless extension candidates. Maximal degree in co-relation 11523. Up to 1233 conditions per place. [2023-08-29 17:10:05,121 INFO L137 encePairwiseOnDemand]: 2908/2918 looper letters, 168 selfloop transitions, 27 changer transitions 0/233 dead transitions. [2023-08-29 17:10:05,121 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 233 transitions, 1223 flow [2023-08-29 17:10:05,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:10:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:10:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10215 transitions. [2023-08-29 17:10:05,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43758567511994517 [2023-08-29 17:10:05,140 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 10215 transitions. [2023-08-29 17:10:05,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10215 transitions. [2023-08-29 17:10:05,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:05,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 10215 transitions. [2023-08-29 17:10:05,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1276.875) internal successors, (10215), 8 states have internal predecessors, (10215), 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 17:10:05,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2918.0) internal successors, (26262), 9 states have internal predecessors, (26262), 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 17:10:05,179 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2918.0) internal successors, (26262), 9 states have internal predecessors, (26262), 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 17:10:05,179 INFO L175 Difference]: Start difference. First operand has 107 places, 127 transitions, 498 flow. Second operand 8 states and 10215 transitions. [2023-08-29 17:10:05,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 233 transitions, 1223 flow [2023-08-29 17:10:05,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 233 transitions, 1183 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:10:05,195 INFO L231 Difference]: Finished difference. Result has 116 places, 139 transitions, 658 flow [2023-08-29 17:10:05,196 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=658, PETRI_PLACES=116, PETRI_TRANSITIONS=139} [2023-08-29 17:10:05,196 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -70 predicate places. [2023-08-29 17:10:05,197 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 139 transitions, 658 flow [2023-08-29 17:10:05,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1259.6666666666667) internal successors, (11337), 9 states have internal predecessors, (11337), 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 17:10:05,199 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:05,199 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 17:10:05,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:10:05,200 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:05,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:05,200 INFO L85 PathProgramCache]: Analyzing trace with hash 823864064, now seen corresponding path program 1 times [2023-08-29 17:10:05,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:05,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663024796] [2023-08-29 17:10:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:05,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:06,052 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 17:10:06,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:06,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663024796] [2023-08-29 17:10:06,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663024796] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:06,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:06,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566369521] [2023-08-29 17:10:06,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:06,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:10:06,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:06,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:10:06,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:10:06,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1240 out of 2918 [2023-08-29 17:10:06,702 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 139 transitions, 658 flow. Second operand has 6 states, 6 states have (on average 1242.8333333333333) internal successors, (7457), 6 states have internal predecessors, (7457), 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 17:10:06,702 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:06,702 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1240 of 2918 [2023-08-29 17:10:06,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:08,591 INFO L130 PetriNetUnfolder]: 2748/6033 cut-off events. [2023-08-29 17:10:08,592 INFO L131 PetriNetUnfolder]: For 8878/9186 co-relation queries the response was YES. [2023-08-29 17:10:08,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17303 conditions, 6033 events. 2748/6033 cut-off events. For 8878/9186 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 44428 event pairs, 367 based on Foata normal form. 32/5768 useless extension candidates. Maximal degree in co-relation 17288. Up to 2744 conditions per place. [2023-08-29 17:10:08,624 INFO L137 encePairwiseOnDemand]: 2891/2918 looper letters, 131 selfloop transitions, 98 changer transitions 0/261 dead transitions. [2023-08-29 17:10:08,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 261 transitions, 1778 flow [2023-08-29 17:10:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:10:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:10:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7576 transitions. [2023-08-29 17:10:08,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4327164724697281 [2023-08-29 17:10:08,639 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7576 transitions. [2023-08-29 17:10:08,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7576 transitions. [2023-08-29 17:10:08,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:08,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7576 transitions. [2023-08-29 17:10:08,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1262.6666666666667) internal successors, (7576), 6 states have internal predecessors, (7576), 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 17:10:08,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2918.0) internal successors, (20426), 7 states have internal predecessors, (20426), 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 17:10:08,664 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2918.0) internal successors, (20426), 7 states have internal predecessors, (20426), 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 17:10:08,665 INFO L175 Difference]: Start difference. First operand has 116 places, 139 transitions, 658 flow. Second operand 6 states and 7576 transitions. [2023-08-29 17:10:08,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 261 transitions, 1778 flow [2023-08-29 17:10:08,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 261 transitions, 1766 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-29 17:10:08,697 INFO L231 Difference]: Finished difference. Result has 124 places, 227 transitions, 1722 flow [2023-08-29 17:10:08,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1722, PETRI_PLACES=124, PETRI_TRANSITIONS=227} [2023-08-29 17:10:08,699 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -62 predicate places. [2023-08-29 17:10:08,699 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 227 transitions, 1722 flow [2023-08-29 17:10:08,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1242.8333333333333) internal successors, (7457), 6 states have internal predecessors, (7457), 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 17:10:08,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:08,701 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, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:08,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:10:08,701 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:08,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:08,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1542345968, now seen corresponding path program 1 times [2023-08-29 17:10:08,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:08,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519150714] [2023-08-29 17:10:08,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:10,120 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 17:10:10,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519150714] [2023-08-29 17:10:10,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519150714] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:10,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:10,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:10:10,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980455759] [2023-08-29 17:10:10,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:10,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:10:10,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:10:10,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:10:11,087 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1239 out of 2918 [2023-08-29 17:10:11,092 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 227 transitions, 1722 flow. Second operand has 8 states, 8 states have (on average 1241.5) internal successors, (9932), 8 states have internal predecessors, (9932), 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 17:10:11,093 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:11,093 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1239 of 2918 [2023-08-29 17:10:11,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:13,394 INFO L130 PetriNetUnfolder]: 2604/5711 cut-off events. [2023-08-29 17:10:13,394 INFO L131 PetriNetUnfolder]: For 17177/17619 co-relation queries the response was YES. [2023-08-29 17:10:13,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20474 conditions, 5711 events. 2604/5711 cut-off events. For 17177/17619 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 41766 event pairs, 581 based on Foata normal form. 146/5602 useless extension candidates. Maximal degree in co-relation 20455. Up to 3141 conditions per place. [2023-08-29 17:10:13,428 INFO L137 encePairwiseOnDemand]: 2908/2918 looper letters, 211 selfloop transitions, 35 changer transitions 0/278 dead transitions. [2023-08-29 17:10:13,428 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 278 transitions, 2608 flow [2023-08-29 17:10:13,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 17:10:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 17:10:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8771 transitions. [2023-08-29 17:10:13,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4294037011651816 [2023-08-29 17:10:13,444 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 8771 transitions. [2023-08-29 17:10:13,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8771 transitions. [2023-08-29 17:10:13,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:13,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 8771 transitions. [2023-08-29 17:10:13,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 1253.0) internal successors, (8771), 7 states have internal predecessors, (8771), 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 17:10:13,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 2918.0) internal successors, (23344), 8 states have internal predecessors, (23344), 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 17:10:13,516 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 2918.0) internal successors, (23344), 8 states have internal predecessors, (23344), 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 17:10:13,517 INFO L175 Difference]: Start difference. First operand has 124 places, 227 transitions, 1722 flow. Second operand 7 states and 8771 transitions. [2023-08-29 17:10:13,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 278 transitions, 2608 flow [2023-08-29 17:10:13,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 278 transitions, 2579 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:10:13,550 INFO L231 Difference]: Finished difference. Result has 125 places, 223 transitions, 1754 flow [2023-08-29 17:10:13,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=1684, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1754, PETRI_PLACES=125, PETRI_TRANSITIONS=223} [2023-08-29 17:10:13,551 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -61 predicate places. [2023-08-29 17:10:13,552 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 223 transitions, 1754 flow [2023-08-29 17:10:13,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1241.5) internal successors, (9932), 8 states have internal predecessors, (9932), 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 17:10:13,554 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:13,554 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] [2023-08-29 17:10:13,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:10:13,554 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:13,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:13,555 INFO L85 PathProgramCache]: Analyzing trace with hash -56494040, now seen corresponding path program 1 times [2023-08-29 17:10:13,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:13,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50028551] [2023-08-29 17:10:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:13,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:14,454 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 17:10:14,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:14,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50028551] [2023-08-29 17:10:14,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50028551] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:14,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:14,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:14,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859827418] [2023-08-29 17:10:14,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:14,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:10:14,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:14,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:10:14,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:10:14,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1259 out of 2918 [2023-08-29 17:10:14,980 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 223 transitions, 1754 flow. Second operand has 6 states, 6 states have (on average 1262.0) internal successors, (7572), 6 states have internal predecessors, (7572), 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 17:10:14,980 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:14,980 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1259 of 2918 [2023-08-29 17:10:14,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:16,827 INFO L130 PetriNetUnfolder]: 2242/5335 cut-off events. [2023-08-29 17:10:16,827 INFO L131 PetriNetUnfolder]: For 15471/15890 co-relation queries the response was YES. [2023-08-29 17:10:16,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17899 conditions, 5335 events. 2242/5335 cut-off events. For 15471/15890 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 40916 event pairs, 591 based on Foata normal form. 62/5254 useless extension candidates. Maximal degree in co-relation 17880. Up to 2666 conditions per place. [2023-08-29 17:10:16,858 INFO L137 encePairwiseOnDemand]: 2911/2918 looper letters, 253 selfloop transitions, 29 changer transitions 4/343 dead transitions. [2023-08-29 17:10:16,859 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 343 transitions, 3026 flow [2023-08-29 17:10:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:10:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:10:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7687 transitions. [2023-08-29 17:10:16,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4390564313456706 [2023-08-29 17:10:16,871 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7687 transitions. [2023-08-29 17:10:16,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7687 transitions. [2023-08-29 17:10:16,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:16,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7687 transitions. [2023-08-29 17:10:16,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1281.1666666666667) internal successors, (7687), 6 states have internal predecessors, (7687), 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 17:10:16,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2918.0) internal successors, (20426), 7 states have internal predecessors, (20426), 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 17:10:16,893 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2918.0) internal successors, (20426), 7 states have internal predecessors, (20426), 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 17:10:16,893 INFO L175 Difference]: Start difference. First operand has 125 places, 223 transitions, 1754 flow. Second operand 6 states and 7687 transitions. [2023-08-29 17:10:16,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 343 transitions, 3026 flow [2023-08-29 17:10:16,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 343 transitions, 2908 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 17:10:16,921 INFO L231 Difference]: Finished difference. Result has 129 places, 251 transitions, 2162 flow [2023-08-29 17:10:16,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=1684, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2162, PETRI_PLACES=129, PETRI_TRANSITIONS=251} [2023-08-29 17:10:16,922 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -57 predicate places. [2023-08-29 17:10:16,922 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 251 transitions, 2162 flow [2023-08-29 17:10:16,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1262.0) internal successors, (7572), 6 states have internal predecessors, (7572), 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 17:10:16,923 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:16,923 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, 1, 1, 1, 1, 1] [2023-08-29 17:10:16,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:10:16,924 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:16,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:16,925 INFO L85 PathProgramCache]: Analyzing trace with hash 405193148, now seen corresponding path program 1 times [2023-08-29 17:10:16,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:16,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441070706] [2023-08-29 17:10:16,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:16,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:17,236 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 17:10:17,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:17,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441070706] [2023-08-29 17:10:17,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441070706] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:17,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:17,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:17,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251066554] [2023-08-29 17:10:17,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:17,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:17,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:17,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:17,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:17,392 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1213 out of 2918 [2023-08-29 17:10:17,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 251 transitions, 2162 flow. Second operand has 3 states, 3 states have (on average 1226.6666666666667) internal successors, (3680), 3 states have internal predecessors, (3680), 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 17:10:17,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:17,394 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1213 of 2918 [2023-08-29 17:10:17,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:19,541 INFO L130 PetriNetUnfolder]: 5714/10457 cut-off events. [2023-08-29 17:10:19,541 INFO L131 PetriNetUnfolder]: For 29575/29581 co-relation queries the response was YES. [2023-08-29 17:10:19,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40553 conditions, 10457 events. 5714/10457 cut-off events. For 29575/29581 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 69061 event pairs, 3292 based on Foata normal form. 0/10233 useless extension candidates. Maximal degree in co-relation 40530. Up to 9915 conditions per place. [2023-08-29 17:10:19,604 INFO L137 encePairwiseOnDemand]: 2905/2918 looper letters, 191 selfloop transitions, 64 changer transitions 0/269 dead transitions. [2023-08-29 17:10:19,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 269 transitions, 2755 flow [2023-08-29 17:10:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3734 transitions. [2023-08-29 17:10:19,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42654786383367604 [2023-08-29 17:10:19,609 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3734 transitions. [2023-08-29 17:10:19,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3734 transitions. [2023-08-29 17:10:19,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:19,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3734 transitions. [2023-08-29 17:10:19,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1244.6666666666667) internal successors, (3734), 3 states have internal predecessors, (3734), 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 17:10:19,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:10:19,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:10:19,622 INFO L175 Difference]: Start difference. First operand has 129 places, 251 transitions, 2162 flow. Second operand 3 states and 3734 transitions. [2023-08-29 17:10:19,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 269 transitions, 2755 flow [2023-08-29 17:10:19,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 269 transitions, 2755 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:10:19,736 INFO L231 Difference]: Finished difference. Result has 132 places, 264 transitions, 2454 flow [2023-08-29 17:10:19,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=2162, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2454, PETRI_PLACES=132, PETRI_TRANSITIONS=264} [2023-08-29 17:10:19,737 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -54 predicate places. [2023-08-29 17:10:19,737 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 264 transitions, 2454 flow [2023-08-29 17:10:19,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1226.6666666666667) internal successors, (3680), 3 states have internal predecessors, (3680), 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 17:10:19,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:19,738 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, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:19,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:10:19,739 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:19,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:19,739 INFO L85 PathProgramCache]: Analyzing trace with hash -577895595, now seen corresponding path program 1 times [2023-08-29 17:10:19,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:19,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891224315] [2023-08-29 17:10:19,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:19,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:24,787 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 17:10:24,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:24,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891224315] [2023-08-29 17:10:24,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891224315] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:24,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:24,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:24,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725680474] [2023-08-29 17:10:24,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:24,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 17:10:24,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:24,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 17:10:24,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 17:10:25,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1200 out of 2918 [2023-08-29 17:10:25,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 264 transitions, 2454 flow. Second operand has 7 states, 7 states have (on average 1206.142857142857) internal successors, (8443), 7 states have internal predecessors, (8443), 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 17:10:25,526 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:25,526 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1200 of 2918 [2023-08-29 17:10:25,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:28,317 INFO L130 PetriNetUnfolder]: 5700/10442 cut-off events. [2023-08-29 17:10:28,317 INFO L131 PetriNetUnfolder]: For 34435/34443 co-relation queries the response was YES. [2023-08-29 17:10:28,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42025 conditions, 10442 events. 5700/10442 cut-off events. For 34435/34443 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 69045 event pairs, 3254 based on Foata normal form. 2/10242 useless extension candidates. Maximal degree in co-relation 42000. Up to 9812 conditions per place. [2023-08-29 17:10:28,374 INFO L137 encePairwiseOnDemand]: 2906/2918 looper letters, 197 selfloop transitions, 75 changer transitions 0/286 dead transitions. [2023-08-29 17:10:28,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 286 transitions, 3154 flow [2023-08-29 17:10:28,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:10:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:10:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6095 transitions. [2023-08-29 17:10:28,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4177518848526388 [2023-08-29 17:10:28,382 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 6095 transitions. [2023-08-29 17:10:28,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6095 transitions. [2023-08-29 17:10:28,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:28,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 6095 transitions. [2023-08-29 17:10:28,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1219.0) internal successors, (6095), 5 states have internal predecessors, (6095), 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 17:10:28,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:10:28,402 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:10:28,402 INFO L175 Difference]: Start difference. First operand has 132 places, 264 transitions, 2454 flow. Second operand 5 states and 6095 transitions. [2023-08-29 17:10:28,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 286 transitions, 3154 flow [2023-08-29 17:10:28,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 286 transitions, 3066 flow, removed 12 selfloop flow, removed 1 redundant places. [2023-08-29 17:10:28,536 INFO L231 Difference]: Finished difference. Result has 136 places, 276 transitions, 2718 flow [2023-08-29 17:10:28,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=2366, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2718, PETRI_PLACES=136, PETRI_TRANSITIONS=276} [2023-08-29 17:10:28,538 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -50 predicate places. [2023-08-29 17:10:28,538 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 276 transitions, 2718 flow [2023-08-29 17:10:28,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1206.142857142857) internal successors, (8443), 7 states have internal predecessors, (8443), 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 17:10:28,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:28,540 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:28,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:10:28,540 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:28,541 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:28,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2033715201, now seen corresponding path program 1 times [2023-08-29 17:10:28,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:28,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713640637] [2023-08-29 17:10:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:28,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:28,878 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 17:10:28,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:28,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713640637] [2023-08-29 17:10:28,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713640637] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:28,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:28,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:28,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539811361] [2023-08-29 17:10:28,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:28,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:28,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:28,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:28,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:29,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1261 out of 2918 [2023-08-29 17:10:29,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 276 transitions, 2718 flow. Second operand has 3 states, 3 states have (on average 1269.3333333333333) internal successors, (3808), 3 states have internal predecessors, (3808), 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 17:10:29,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:29,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1261 of 2918 [2023-08-29 17:10:29,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:30,434 INFO L130 PetriNetUnfolder]: 2069/5120 cut-off events. [2023-08-29 17:10:30,434 INFO L131 PetriNetUnfolder]: For 22650/23222 co-relation queries the response was YES. [2023-08-29 17:10:30,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19915 conditions, 5120 events. 2069/5120 cut-off events. For 22650/23222 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 38964 event pairs, 534 based on Foata normal form. 48/4988 useless extension candidates. Maximal degree in co-relation 19889. Up to 2805 conditions per place. [2023-08-29 17:10:30,468 INFO L137 encePairwiseOnDemand]: 2913/2918 looper letters, 204 selfloop transitions, 12 changer transitions 2/292 dead transitions. [2023-08-29 17:10:30,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 292 transitions, 3279 flow [2023-08-29 17:10:30,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3844 transitions. [2023-08-29 17:10:30,519 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4391135480923007 [2023-08-29 17:10:30,519 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3844 transitions. [2023-08-29 17:10:30,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3844 transitions. [2023-08-29 17:10:30,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:30,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3844 transitions. [2023-08-29 17:10:30,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1281.3333333333333) internal successors, (3844), 3 states have internal predecessors, (3844), 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 17:10:30,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:10:30,531 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2918.0) internal successors, (11672), 4 states have internal predecessors, (11672), 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 17:10:30,531 INFO L175 Difference]: Start difference. First operand has 136 places, 276 transitions, 2718 flow. Second operand 3 states and 3844 transitions. [2023-08-29 17:10:30,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 292 transitions, 3279 flow [2023-08-29 17:10:30,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 292 transitions, 3171 flow, removed 15 selfloop flow, removed 3 redundant places. [2023-08-29 17:10:30,583 INFO L231 Difference]: Finished difference. Result has 137 places, 287 transitions, 2796 flow [2023-08-29 17:10:30,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=2610, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2796, PETRI_PLACES=137, PETRI_TRANSITIONS=287} [2023-08-29 17:10:30,584 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -49 predicate places. [2023-08-29 17:10:30,584 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 287 transitions, 2796 flow [2023-08-29 17:10:30,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1269.3333333333333) internal successors, (3808), 3 states have internal predecessors, (3808), 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 17:10:30,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:30,585 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:30,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 17:10:30,586 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:30,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:30,586 INFO L85 PathProgramCache]: Analyzing trace with hash 622705192, now seen corresponding path program 1 times [2023-08-29 17:10:30,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:30,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662883674] [2023-08-29 17:10:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:30,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:35,392 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 17:10:35,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:35,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662883674] [2023-08-29 17:10:35,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662883674] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:35,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:35,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:10:35,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109453605] [2023-08-29 17:10:35,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:35,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:10:35,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:35,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:10:35,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:10:36,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1248 out of 2918 [2023-08-29 17:10:36,823 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 287 transitions, 2796 flow. Second operand has 10 states, 10 states have (on average 1250.8) internal successors, (12508), 10 states have internal predecessors, (12508), 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 17:10:36,823 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:36,823 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1248 of 2918 [2023-08-29 17:10:36,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:39,787 INFO L130 PetriNetUnfolder]: 3205/6868 cut-off events. [2023-08-29 17:10:39,787 INFO L131 PetriNetUnfolder]: For 24924/25623 co-relation queries the response was YES. [2023-08-29 17:10:39,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27954 conditions, 6868 events. 3205/6868 cut-off events. For 24924/25623 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 50543 event pairs, 459 based on Foata normal form. 330/7096 useless extension candidates. Maximal degree in co-relation 27927. Up to 2925 conditions per place. [2023-08-29 17:10:39,819 INFO L137 encePairwiseOnDemand]: 2907/2918 looper letters, 247 selfloop transitions, 128 changer transitions 4/437 dead transitions. [2023-08-29 17:10:39,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 437 transitions, 4350 flow [2023-08-29 17:10:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:10:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:10:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10135 transitions. [2023-08-29 17:10:39,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43415867032213845 [2023-08-29 17:10:39,830 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 10135 transitions. [2023-08-29 17:10:39,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10135 transitions. [2023-08-29 17:10:39,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:39,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 10135 transitions. [2023-08-29 17:10:39,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1266.875) internal successors, (10135), 8 states have internal predecessors, (10135), 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 17:10:39,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2918.0) internal successors, (26262), 9 states have internal predecessors, (26262), 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 17:10:39,859 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2918.0) internal successors, (26262), 9 states have internal predecessors, (26262), 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 17:10:39,859 INFO L175 Difference]: Start difference. First operand has 137 places, 287 transitions, 2796 flow. Second operand 8 states and 10135 transitions. [2023-08-29 17:10:39,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 437 transitions, 4350 flow [2023-08-29 17:10:39,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 437 transitions, 4248 flow, removed 27 selfloop flow, removed 2 redundant places. [2023-08-29 17:10:39,969 INFO L231 Difference]: Finished difference. Result has 147 places, 323 transitions, 3607 flow [2023-08-29 17:10:39,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=2742, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3607, PETRI_PLACES=147, PETRI_TRANSITIONS=323} [2023-08-29 17:10:39,970 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -39 predicate places. [2023-08-29 17:10:39,970 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 323 transitions, 3607 flow [2023-08-29 17:10:39,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1250.8) internal successors, (12508), 10 states have internal predecessors, (12508), 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 17:10:39,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:39,972 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:39,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 17:10:39,972 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:39,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:39,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1057180094, now seen corresponding path program 1 times [2023-08-29 17:10:39,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:39,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929288742] [2023-08-29 17:10:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:39,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:40,594 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 17:10:40,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:40,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929288742] [2023-08-29 17:10:40,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929288742] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:40,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:40,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 17:10:40,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266802420] [2023-08-29 17:10:40,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:40,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 17:10:40,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:40,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 17:10:40,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 17:10:40,982 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1212 out of 2918 [2023-08-29 17:10:40,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 323 transitions, 3607 flow. Second operand has 5 states, 5 states have (on average 1220.8) internal successors, (6104), 5 states have internal predecessors, (6104), 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 17:10:40,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:40,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1212 of 2918 [2023-08-29 17:10:40,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:43,606 INFO L130 PetriNetUnfolder]: 5869/10856 cut-off events. [2023-08-29 17:10:43,606 INFO L131 PetriNetUnfolder]: For 61403/61458 co-relation queries the response was YES. [2023-08-29 17:10:43,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50338 conditions, 10856 events. 5869/10856 cut-off events. For 61403/61458 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 72229 event pairs, 3214 based on Foata normal form. 11/10665 useless extension candidates. Maximal degree in co-relation 50306. Up to 10217 conditions per place. [2023-08-29 17:10:43,667 INFO L137 encePairwiseOnDemand]: 2906/2918 looper letters, 251 selfloop transitions, 70 changer transitions 0/336 dead transitions. [2023-08-29 17:10:43,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 336 transitions, 4351 flow [2023-08-29 17:10:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 17:10:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 17:10:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4943 transitions. [2023-08-29 17:10:43,673 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42349211788896507 [2023-08-29 17:10:43,673 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4943 transitions. [2023-08-29 17:10:43,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4943 transitions. [2023-08-29 17:10:43,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:43,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4943 transitions. [2023-08-29 17:10:43,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1235.75) internal successors, (4943), 4 states have internal predecessors, (4943), 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 17:10:43,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2918.0) internal successors, (14590), 5 states have internal predecessors, (14590), 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 17:10:43,689 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2918.0) internal successors, (14590), 5 states have internal predecessors, (14590), 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 17:10:43,690 INFO L175 Difference]: Start difference. First operand has 147 places, 323 transitions, 3607 flow. Second operand 4 states and 4943 transitions. [2023-08-29 17:10:43,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 336 transitions, 4351 flow [2023-08-29 17:10:43,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 336 transitions, 4347 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:10:43,851 INFO L231 Difference]: Finished difference. Result has 149 places, 329 transitions, 3882 flow [2023-08-29 17:10:43,851 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3603, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3882, PETRI_PLACES=149, PETRI_TRANSITIONS=329} [2023-08-29 17:10:43,852 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -37 predicate places. [2023-08-29 17:10:43,852 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 329 transitions, 3882 flow [2023-08-29 17:10:43,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1220.8) internal successors, (6104), 5 states have internal predecessors, (6104), 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 17:10:43,853 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:43,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:43,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 17:10:43,854 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:43,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:43,854 INFO L85 PathProgramCache]: Analyzing trace with hash -697042811, now seen corresponding path program 1 times [2023-08-29 17:10:43,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:43,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637242298] [2023-08-29 17:10:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:43,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:46,774 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 17:10:46,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:46,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637242298] [2023-08-29 17:10:46,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637242298] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:46,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:46,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:10:46,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211672919] [2023-08-29 17:10:46,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:46,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:10:46,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:46,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:10:46,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:10:47,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1199 out of 2918 [2023-08-29 17:10:47,694 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 329 transitions, 3882 flow. Second operand has 8 states, 8 states have (on average 1204.75) internal successors, (9638), 8 states have internal predecessors, (9638), 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 17:10:47,694 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:47,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1199 of 2918 [2023-08-29 17:10:47,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:50,544 INFO L130 PetriNetUnfolder]: 5834/10793 cut-off events. [2023-08-29 17:10:50,545 INFO L131 PetriNetUnfolder]: For 67007/67058 co-relation queries the response was YES. [2023-08-29 17:10:50,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51023 conditions, 10793 events. 5834/10793 cut-off events. For 67007/67058 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 71787 event pairs, 3190 based on Foata normal form. 11/10632 useless extension candidates. Maximal degree in co-relation 50990. Up to 10003 conditions per place. [2023-08-29 17:10:50,722 INFO L137 encePairwiseOnDemand]: 2908/2918 looper letters, 271 selfloop transitions, 65 changer transitions 0/351 dead transitions. [2023-08-29 17:10:50,722 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 351 transitions, 4779 flow [2023-08-29 17:10:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:10:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:10:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6090 transitions. [2023-08-29 17:10:50,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4174091843728581 [2023-08-29 17:10:50,728 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 6090 transitions. [2023-08-29 17:10:50,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6090 transitions. [2023-08-29 17:10:50,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:50,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 6090 transitions. [2023-08-29 17:10:50,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1218.0) internal successors, (6090), 5 states have internal predecessors, (6090), 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 17:10:50,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:10:50,751 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:10:50,752 INFO L175 Difference]: Start difference. First operand has 149 places, 329 transitions, 3882 flow. Second operand 5 states and 6090 transitions. [2023-08-29 17:10:50,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 351 transitions, 4779 flow [2023-08-29 17:10:50,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 351 transitions, 4702 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-08-29 17:10:50,933 INFO L231 Difference]: Finished difference. Result has 152 places, 331 transitions, 4023 flow [2023-08-29 17:10:50,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3805, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4023, PETRI_PLACES=152, PETRI_TRANSITIONS=331} [2023-08-29 17:10:50,934 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -34 predicate places. [2023-08-29 17:10:50,934 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 331 transitions, 4023 flow [2023-08-29 17:10:50,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1204.75) internal successors, (9638), 8 states have internal predecessors, (9638), 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 17:10:50,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:50,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:50,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 17:10:50,936 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:50,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1743764497, now seen corresponding path program 1 times [2023-08-29 17:10:50,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:50,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385092155] [2023-08-29 17:10:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:51,519 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 17:10:51,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:51,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385092155] [2023-08-29 17:10:51,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385092155] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:51,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:51,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 17:10:51,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377997691] [2023-08-29 17:10:51,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:51,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 17:10:51,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:51,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 17:10:51,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 17:10:51,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1260 out of 2918 [2023-08-29 17:10:51,911 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 331 transitions, 4023 flow. Second operand has 5 states, 5 states have (on average 1265.6) internal successors, (6328), 5 states have internal predecessors, (6328), 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 17:10:51,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:51,911 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1260 of 2918 [2023-08-29 17:10:51,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:53,399 INFO L130 PetriNetUnfolder]: 2077/5199 cut-off events. [2023-08-29 17:10:53,400 INFO L131 PetriNetUnfolder]: For 36045/36803 co-relation queries the response was YES. [2023-08-29 17:10:53,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23813 conditions, 5199 events. 2077/5199 cut-off events. For 36045/36803 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 39842 event pairs, 508 based on Foata normal form. 72/5132 useless extension candidates. Maximal degree in co-relation 23779. Up to 2685 conditions per place. [2023-08-29 17:10:53,440 INFO L137 encePairwiseOnDemand]: 2915/2918 looper letters, 235 selfloop transitions, 2 changer transitions 16/340 dead transitions. [2023-08-29 17:10:53,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 340 transitions, 4625 flow [2023-08-29 17:10:53,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 17:10:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 17:10:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5099 transitions. [2023-08-29 17:10:53,445 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43685743660041126 [2023-08-29 17:10:53,445 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 5099 transitions. [2023-08-29 17:10:53,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5099 transitions. [2023-08-29 17:10:53,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:53,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 5099 transitions. [2023-08-29 17:10:53,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1274.75) internal successors, (5099), 4 states have internal predecessors, (5099), 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 17:10:53,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2918.0) internal successors, (14590), 5 states have internal predecessors, (14590), 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 17:10:53,459 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2918.0) internal successors, (14590), 5 states have internal predecessors, (14590), 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 17:10:53,459 INFO L175 Difference]: Start difference. First operand has 152 places, 331 transitions, 4023 flow. Second operand 4 states and 5099 transitions. [2023-08-29 17:10:53,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 340 transitions, 4625 flow [2023-08-29 17:10:53,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 340 transitions, 4557 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:10:53,543 INFO L231 Difference]: Finished difference. Result has 151 places, 321 transitions, 3829 flow [2023-08-29 17:10:53,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3951, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3829, PETRI_PLACES=151, PETRI_TRANSITIONS=321} [2023-08-29 17:10:53,543 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -35 predicate places. [2023-08-29 17:10:53,544 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 321 transitions, 3829 flow [2023-08-29 17:10:53,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1265.6) internal successors, (6328), 5 states have internal predecessors, (6328), 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 17:10:53,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:53,545 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:53,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 17:10:53,545 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:10:53,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:53,546 INFO L85 PathProgramCache]: Analyzing trace with hash -361136494, now seen corresponding path program 1 times [2023-08-29 17:10:53,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:53,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711819376] [2023-08-29 17:10:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:53,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:07,787 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 17:11:07,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:07,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711819376] [2023-08-29 17:11:07,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711819376] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:07,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:07,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-08-29 17:11:07,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119735233] [2023-08-29 17:11:07,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:07,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-29 17:11:07,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:07,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-29 17:11:07,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-08-29 17:11:11,151 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1237 out of 2918 [2023-08-29 17:11:11,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 321 transitions, 3829 flow. Second operand has 14 states, 14 states have (on average 1239.2142857142858) internal successors, (17349), 14 states have internal predecessors, (17349), 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 17:11:11,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:11,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1237 of 2918 [2023-08-29 17:11:11,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:15,626 INFO L130 PetriNetUnfolder]: 3758/8736 cut-off events. [2023-08-29 17:11:15,626 INFO L131 PetriNetUnfolder]: For 43900/44723 co-relation queries the response was YES. [2023-08-29 17:11:15,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39051 conditions, 8736 events. 3758/8736 cut-off events. For 43900/44723 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 71658 event pairs, 451 based on Foata normal form. 338/8939 useless extension candidates. Maximal degree in co-relation 39017. Up to 2008 conditions per place. [2023-08-29 17:11:15,669 INFO L137 encePairwiseOnDemand]: 2909/2918 looper letters, 430 selfloop transitions, 27 changer transitions 57/573 dead transitions. [2023-08-29 17:11:15,670 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 573 transitions, 7130 flow [2023-08-29 17:11:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:11:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:11:15,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11298 transitions. [2023-08-29 17:11:15,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4302033356180032 [2023-08-29 17:11:15,680 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 11298 transitions. [2023-08-29 17:11:15,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11298 transitions. [2023-08-29 17:11:15,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:15,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 11298 transitions. [2023-08-29 17:11:15,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1255.3333333333333) internal successors, (11298), 9 states have internal predecessors, (11298), 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 17:11:15,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2918.0) internal successors, (29180), 10 states have internal predecessors, (29180), 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 17:11:15,707 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2918.0) internal successors, (29180), 10 states have internal predecessors, (29180), 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 17:11:15,707 INFO L175 Difference]: Start difference. First operand has 151 places, 321 transitions, 3829 flow. Second operand 9 states and 11298 transitions. [2023-08-29 17:11:15,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 573 transitions, 7130 flow [2023-08-29 17:11:15,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 573 transitions, 7006 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 17:11:15,880 INFO L231 Difference]: Finished difference. Result has 155 places, 299 transitions, 3520 flow [2023-08-29 17:11:15,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3753, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3520, PETRI_PLACES=155, PETRI_TRANSITIONS=299} [2023-08-29 17:11:15,881 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -31 predicate places. [2023-08-29 17:11:15,881 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 299 transitions, 3520 flow [2023-08-29 17:11:15,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1239.2142857142858) internal successors, (17349), 14 states have internal predecessors, (17349), 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 17:11:15,884 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:15,884 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, 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 17:11:15,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 17:11:15,884 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:11:15,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash -954645913, now seen corresponding path program 1 times [2023-08-29 17:11:15,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:15,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81155091] [2023-08-29 17:11:15,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:15,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:19,678 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 17:11:19,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:19,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81155091] [2023-08-29 17:11:19,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81155091] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:19,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:19,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:11:19,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717375119] [2023-08-29 17:11:19,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:19,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 17:11:19,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:19,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 17:11:19,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 17:11:20,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1200 out of 2918 [2023-08-29 17:11:20,359 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 299 transitions, 3520 flow. Second operand has 7 states, 7 states have (on average 1207.5714285714287) internal successors, (8453), 7 states have internal predecessors, (8453), 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 17:11:20,359 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:20,359 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1200 of 2918 [2023-08-29 17:11:20,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:23,124 INFO L130 PetriNetUnfolder]: 7004/13558 cut-off events. [2023-08-29 17:11:23,124 INFO L131 PetriNetUnfolder]: For 89146/89183 co-relation queries the response was YES. [2023-08-29 17:11:23,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63823 conditions, 13558 events. 7004/13558 cut-off events. For 89146/89183 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 99764 event pairs, 4177 based on Foata normal form. 16/13341 useless extension candidates. Maximal degree in co-relation 63790. Up to 12688 conditions per place. [2023-08-29 17:11:23,196 INFO L137 encePairwiseOnDemand]: 2906/2918 looper letters, 221 selfloop transitions, 75 changer transitions 1/310 dead transitions. [2023-08-29 17:11:23,196 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 310 transitions, 4165 flow [2023-08-29 17:11:23,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:23,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6095 transitions. [2023-08-29 17:11:23,200 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4177518848526388 [2023-08-29 17:11:23,200 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 6095 transitions. [2023-08-29 17:11:23,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6095 transitions. [2023-08-29 17:11:23,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:23,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 6095 transitions. [2023-08-29 17:11:23,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1219.0) internal successors, (6095), 5 states have internal predecessors, (6095), 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 17:11:23,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:23,213 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:23,214 INFO L175 Difference]: Start difference. First operand has 155 places, 299 transitions, 3520 flow. Second operand 5 states and 6095 transitions. [2023-08-29 17:11:23,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 310 transitions, 4165 flow [2023-08-29 17:11:23,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 310 transitions, 4108 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-08-29 17:11:23,367 INFO L231 Difference]: Finished difference. Result has 152 places, 299 transitions, 3687 flow [2023-08-29 17:11:23,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3463, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3687, PETRI_PLACES=152, PETRI_TRANSITIONS=299} [2023-08-29 17:11:23,367 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -34 predicate places. [2023-08-29 17:11:23,367 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 299 transitions, 3687 flow [2023-08-29 17:11:23,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1207.5714285714287) internal successors, (8453), 7 states have internal predecessors, (8453), 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 17:11:23,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:23,369 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, 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 17:11:23,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 17:11:23,369 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:11:23,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:23,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1936873759, now seen corresponding path program 2 times [2023-08-29 17:11:23,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:23,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375279901] [2023-08-29 17:11:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:27,160 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 17:11:27,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:27,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375279901] [2023-08-29 17:11:27,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375279901] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:27,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:27,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:11:27,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993811877] [2023-08-29 17:11:27,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:27,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:11:27,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:27,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:11:27,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:11:27,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1199 out of 2918 [2023-08-29 17:11:27,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 299 transitions, 3687 flow. Second operand has 8 states, 8 states have (on average 1205.625) internal successors, (9645), 8 states have internal predecessors, (9645), 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 17:11:27,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:27,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1199 of 2918 [2023-08-29 17:11:27,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:30,545 INFO L130 PetriNetUnfolder]: 6966/13514 cut-off events. [2023-08-29 17:11:30,546 INFO L131 PetriNetUnfolder]: For 81389/81426 co-relation queries the response was YES. [2023-08-29 17:11:30,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61858 conditions, 13514 events. 6966/13514 cut-off events. For 81389/81426 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 99571 event pairs, 4163 based on Foata normal form. 40/13345 useless extension candidates. Maximal degree in co-relation 61825. Up to 12562 conditions per place. [2023-08-29 17:11:30,626 INFO L137 encePairwiseOnDemand]: 2908/2918 looper letters, 225 selfloop transitions, 67 changer transitions 6/311 dead transitions. [2023-08-29 17:11:30,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 311 transitions, 4358 flow [2023-08-29 17:11:30,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:30,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6089 transitions. [2023-08-29 17:11:30,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.417340644276902 [2023-08-29 17:11:30,630 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 6089 transitions. [2023-08-29 17:11:30,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6089 transitions. [2023-08-29 17:11:30,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:30,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 6089 transitions. [2023-08-29 17:11:30,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1217.8) internal successors, (6089), 5 states have internal predecessors, (6089), 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 17:11:30,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:30,643 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:30,644 INFO L175 Difference]: Start difference. First operand has 152 places, 299 transitions, 3687 flow. Second operand 5 states and 6089 transitions. [2023-08-29 17:11:30,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 311 transitions, 4358 flow [2023-08-29 17:11:30,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 311 transitions, 4280 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:11:30,850 INFO L231 Difference]: Finished difference. Result has 154 places, 294 transitions, 3741 flow [2023-08-29 17:11:30,850 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3609, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3741, PETRI_PLACES=154, PETRI_TRANSITIONS=294} [2023-08-29 17:11:30,850 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -32 predicate places. [2023-08-29 17:11:30,850 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 294 transitions, 3741 flow [2023-08-29 17:11:30,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1205.625) internal successors, (9645), 8 states have internal predecessors, (9645), 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 17:11:30,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:30,852 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, 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 17:11:30,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 17:11:30,852 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:11:30,852 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:30,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1952612443, now seen corresponding path program 3 times [2023-08-29 17:11:30,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:30,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715359038] [2023-08-29 17:11:30,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:30,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:38,408 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 17:11:38,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:38,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715359038] [2023-08-29 17:11:38,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715359038] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:38,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:38,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:11:38,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811626704] [2023-08-29 17:11:38,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:38,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:11:38,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:38,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:11:38,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:11:39,193 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1198 out of 2918 [2023-08-29 17:11:39,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 294 transitions, 3741 flow. Second operand has 8 states, 8 states have (on average 1204.75) internal successors, (9638), 8 states have internal predecessors, (9638), 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 17:11:39,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:39,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1198 of 2918 [2023-08-29 17:11:39,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:42,970 INFO L130 PetriNetUnfolder]: 6953/13462 cut-off events. [2023-08-29 17:11:42,970 INFO L131 PetriNetUnfolder]: For 83650/83683 co-relation queries the response was YES. [2023-08-29 17:11:43,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61907 conditions, 13462 events. 6953/13462 cut-off events. For 83650/83683 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 98993 event pairs, 4151 based on Foata normal form. 16/13269 useless extension candidates. Maximal degree in co-relation 61873. Up to 12522 conditions per place. [2023-08-29 17:11:43,046 INFO L137 encePairwiseOnDemand]: 2910/2918 looper letters, 216 selfloop transitions, 79 changer transitions 3/311 dead transitions. [2023-08-29 17:11:43,046 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 311 transitions, 4461 flow [2023-08-29 17:11:43,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:43,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6084 transitions. [2023-08-29 17:11:43,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4169979437971213 [2023-08-29 17:11:43,050 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 6084 transitions. [2023-08-29 17:11:43,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6084 transitions. [2023-08-29 17:11:43,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:43,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 6084 transitions. [2023-08-29 17:11:43,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1216.8) internal successors, (6084), 5 states have internal predecessors, (6084), 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 17:11:43,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:43,060 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:43,060 INFO L175 Difference]: Start difference. First operand has 154 places, 294 transitions, 3741 flow. Second operand 5 states and 6084 transitions. [2023-08-29 17:11:43,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 311 transitions, 4461 flow [2023-08-29 17:11:43,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 311 transitions, 4257 flow, removed 1 selfloop flow, removed 5 redundant places. [2023-08-29 17:11:43,264 INFO L231 Difference]: Finished difference. Result has 154 places, 293 transitions, 3761 flow [2023-08-29 17:11:43,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3537, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3761, PETRI_PLACES=154, PETRI_TRANSITIONS=293} [2023-08-29 17:11:43,264 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -32 predicate places. [2023-08-29 17:11:43,264 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 293 transitions, 3761 flow [2023-08-29 17:11:43,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1204.75) internal successors, (9638), 8 states have internal predecessors, (9638), 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 17:11:43,266 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:43,266 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, 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 17:11:43,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 17:11:43,267 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:11:43,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:43,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1451315395, now seen corresponding path program 4 times [2023-08-29 17:11:43,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:43,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027448464] [2023-08-29 17:11:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:43,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:55,635 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 17:11:55,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:55,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027448464] [2023-08-29 17:11:55,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027448464] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:55,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:55,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:11:55,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005347162] [2023-08-29 17:11:55,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:55,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:11:55,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:55,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:11:55,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:11:56,472 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1197 out of 2918 [2023-08-29 17:11:56,475 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 293 transitions, 3761 flow. Second operand has 9 states, 9 states have (on average 1203.0) internal successors, (10827), 9 states have internal predecessors, (10827), 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 17:11:56,475 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:56,475 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1197 of 2918 [2023-08-29 17:11:56,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:59,271 INFO L130 PetriNetUnfolder]: 6947/13443 cut-off events. [2023-08-29 17:11:59,271 INFO L131 PetriNetUnfolder]: For 83343/83376 co-relation queries the response was YES. [2023-08-29 17:11:59,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61793 conditions, 13443 events. 6947/13443 cut-off events. For 83343/83376 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 98778 event pairs, 4143 based on Foata normal form. 20/13254 useless extension candidates. Maximal degree in co-relation 61759. Up to 12408 conditions per place. [2023-08-29 17:11:59,333 INFO L137 encePairwiseOnDemand]: 2912/2918 looper letters, 191 selfloop transitions, 35 changer transitions 80/317 dead transitions. [2023-08-29 17:11:59,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 317 transitions, 4591 flow [2023-08-29 17:11:59,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6078 transitions. [2023-08-29 17:11:59,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4165867032213845 [2023-08-29 17:11:59,337 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 6078 transitions. [2023-08-29 17:11:59,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6078 transitions. [2023-08-29 17:11:59,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:59,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 6078 transitions. [2023-08-29 17:11:59,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1215.6) internal successors, (6078), 5 states have internal predecessors, (6078), 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 17:11:59,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:59,347 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2918.0) internal successors, (17508), 6 states have internal predecessors, (17508), 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 17:11:59,347 INFO L175 Difference]: Start difference. First operand has 154 places, 293 transitions, 3761 flow. Second operand 5 states and 6078 transitions. [2023-08-29 17:11:59,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 317 transitions, 4591 flow [2023-08-29 17:11:59,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 317 transitions, 4240 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 17:11:59,527 INFO L231 Difference]: Finished difference. Result has 150 places, 230 transitions, 2534 flow [2023-08-29 17:11:59,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2534, PETRI_PLACES=150, PETRI_TRANSITIONS=230} [2023-08-29 17:11:59,528 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -36 predicate places. [2023-08-29 17:11:59,528 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 230 transitions, 2534 flow [2023-08-29 17:11:59,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1203.0) internal successors, (10827), 9 states have internal predecessors, (10827), 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 17:11:59,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:59,529 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, 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 17:11:59,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 17:11:59,530 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:11:59,530 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash -446936899, now seen corresponding path program 1 times [2023-08-29 17:11:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:59,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423286530] [2023-08-29 17:11:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:59,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:10,885 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 17:12:10,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:10,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423286530] [2023-08-29 17:12:10,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423286530] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:10,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:10,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 17:12:10,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663423775] [2023-08-29 17:12:10,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:10,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 17:12:10,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:10,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 17:12:10,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-08-29 17:12:13,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1240 out of 2918 [2023-08-29 17:12:13,250 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 230 transitions, 2534 flow. Second operand has 12 states, 12 states have (on average 1242.8333333333333) internal successors, (14914), 12 states have internal predecessors, (14914), 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 17:12:13,250 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:13,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1240 of 2918 [2023-08-29 17:12:13,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:16,833 INFO L130 PetriNetUnfolder]: 2958/7419 cut-off events. [2023-08-29 17:12:16,833 INFO L131 PetriNetUnfolder]: For 39199/39703 co-relation queries the response was YES. [2023-08-29 17:12:16,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30283 conditions, 7419 events. 2958/7419 cut-off events. For 39199/39703 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 62858 event pairs, 642 based on Foata normal form. 68/7296 useless extension candidates. Maximal degree in co-relation 30251. Up to 3262 conditions per place. [2023-08-29 17:12:16,868 INFO L137 encePairwiseOnDemand]: 2904/2918 looper letters, 258 selfloop transitions, 22 changer transitions 48/378 dead transitions. [2023-08-29 17:12:16,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 378 transitions, 4191 flow [2023-08-29 17:12:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:12:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:12:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11313 transitions. [2023-08-29 17:12:16,874 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307745030843043 [2023-08-29 17:12:16,874 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 11313 transitions. [2023-08-29 17:12:16,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11313 transitions. [2023-08-29 17:12:16,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:16,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 11313 transitions. [2023-08-29 17:12:16,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1257.0) internal successors, (11313), 9 states have internal predecessors, (11313), 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 17:12:16,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2918.0) internal successors, (29180), 10 states have internal predecessors, (29180), 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 17:12:16,891 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2918.0) internal successors, (29180), 10 states have internal predecessors, (29180), 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 17:12:16,892 INFO L175 Difference]: Start difference. First operand has 150 places, 230 transitions, 2534 flow. Second operand 9 states and 11313 transitions. [2023-08-29 17:12:16,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 378 transitions, 4191 flow [2023-08-29 17:12:16,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 378 transitions, 3470 flow, removed 29 selfloop flow, removed 23 redundant places. [2023-08-29 17:12:16,969 INFO L231 Difference]: Finished difference. Result has 140 places, 239 transitions, 2109 flow [2023-08-29 17:12:16,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=2005, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2109, PETRI_PLACES=140, PETRI_TRANSITIONS=239} [2023-08-29 17:12:16,970 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -46 predicate places. [2023-08-29 17:12:16,970 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 239 transitions, 2109 flow [2023-08-29 17:12:16,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1242.8333333333333) internal successors, (14914), 12 states have internal predecessors, (14914), 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 17:12:16,971 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:16,972 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, 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 17:12:16,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 17:12:16,972 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 133 more)] === [2023-08-29 17:12:16,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:16,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1132061709, now seen corresponding path program 2 times [2023-08-29 17:12:16,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:16,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984167738] [2023-08-29 17:12:16,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:16,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:20,690 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 17:12:20,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:20,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984167738] [2023-08-29 17:12:20,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984167738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:20,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:20,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:12:20,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906331473] [2023-08-29 17:12:20,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:20,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:12:20,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:20,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:12:20,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:12:22,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1248 out of 2918 [2023-08-29 17:12:22,177 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 239 transitions, 2109 flow. Second operand has 10 states, 10 states have (on average 1251.4) internal successors, (12514), 10 states have internal predecessors, (12514), 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 17:12:22,177 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:22,177 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1248 of 2918 [2023-08-29 17:12:22,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:24,207 INFO L130 PetriNetUnfolder]: 2631/6649 cut-off events. [2023-08-29 17:12:24,207 INFO L131 PetriNetUnfolder]: For 23636/24084 co-relation queries the response was YES. [2023-08-29 17:12:24,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26965 conditions, 6649 events. 2631/6649 cut-off events. For 23636/24084 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 55640 event pairs, 582 based on Foata normal form. 87/6559 useless extension candidates. Maximal degree in co-relation 26936. Up to 2834 conditions per place. [2023-08-29 17:12:24,233 INFO L137 encePairwiseOnDemand]: 2910/2918 looper letters, 0 selfloop transitions, 0 changer transitions 322/322 dead transitions. [2023-08-29 17:12:24,233 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 322 transitions, 3008 flow [2023-08-29 17:12:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:12:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:12:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10109 transitions. [2023-08-29 17:12:24,239 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43304489376285127 [2023-08-29 17:12:24,239 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 10109 transitions. [2023-08-29 17:12:24,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10109 transitions. [2023-08-29 17:12:24,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:24,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 10109 transitions. [2023-08-29 17:12:24,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1263.625) internal successors, (10109), 8 states have internal predecessors, (10109), 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 17:12:24,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2918.0) internal successors, (26262), 9 states have internal predecessors, (26262), 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 17:12:24,256 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2918.0) internal successors, (26262), 9 states have internal predecessors, (26262), 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 17:12:24,256 INFO L175 Difference]: Start difference. First operand has 140 places, 239 transitions, 2109 flow. Second operand 8 states and 10109 transitions. [2023-08-29 17:12:24,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 322 transitions, 3008 flow [2023-08-29 17:12:24,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 322 transitions, 2851 flow, removed 12 selfloop flow, removed 10 redundant places. [2023-08-29 17:12:24,335 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2023-08-29 17:12:24,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2918, PETRI_DIFFERENCE_MINUEND_FLOW=1953, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2023-08-29 17:12:24,335 INFO L281 CegarLoopForPetriNet]: 186 programPoint places, -50 predicate places. [2023-08-29 17:12:24,335 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2023-08-29 17:12:24,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1251.4) internal successors, (12514), 10 states have internal predecessors, (12514), 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 17:12:24,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE (134 of 135 remaining) [2023-08-29 17:12:24,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (133 of 135 remaining) [2023-08-29 17:12:24,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONDATA_RACE (132 of 135 remaining) [2023-08-29 17:12:24,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONDATA_RACE (131 of 135 remaining) [2023-08-29 17:12:24,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONDATA_RACE (130 of 135 remaining) [2023-08-29 17:12:24,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONDATA_RACE (129 of 135 remaining) [2023-08-29 17:12:24,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONDATA_RACE (128 of 135 remaining) [2023-08-29 17:12:24,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONDATA_RACE (127 of 135 remaining) [2023-08-29 17:12:24,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONDATA_RACE (126 of 135 remaining) [2023-08-29 17:12:24,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONDATA_RACE (125 of 135 remaining) [2023-08-29 17:12:24,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr10ASSERT_VIOLATIONDATA_RACE (124 of 135 remaining) [2023-08-29 17:12:24,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr11ASSERT_VIOLATIONDATA_RACE (123 of 135 remaining) [2023-08-29 17:12:24,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr12ASSERT_VIOLATIONDATA_RACE (122 of 135 remaining) [2023-08-29 17:12:24,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr13ASSERT_VIOLATIONDATA_RACE (121 of 135 remaining) [2023-08-29 17:12:24,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr14ASSERT_VIOLATIONDATA_RACE (120 of 135 remaining) [2023-08-29 17:12:24,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr15ASSERT_VIOLATIONDATA_RACE (119 of 135 remaining) [2023-08-29 17:12:24,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr16ASSERT_VIOLATIONDATA_RACE (118 of 135 remaining) [2023-08-29 17:12:24,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr17ASSERT_VIOLATIONDATA_RACE (117 of 135 remaining) [2023-08-29 17:12:24,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (116 of 135 remaining) [2023-08-29 17:12:24,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (115 of 135 remaining) [2023-08-29 17:12:24,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (114 of 135 remaining) [2023-08-29 17:12:24,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (113 of 135 remaining) [2023-08-29 17:12:24,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (112 of 135 remaining) [2023-08-29 17:12:24,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (111 of 135 remaining) [2023-08-29 17:12:24,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (110 of 135 remaining) [2023-08-29 17:12:24,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (109 of 135 remaining) [2023-08-29 17:12:24,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (108 of 135 remaining) [2023-08-29 17:12:24,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (107 of 135 remaining) [2023-08-29 17:12:24,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (106 of 135 remaining) [2023-08-29 17:12:24,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (105 of 135 remaining) [2023-08-29 17:12:24,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (104 of 135 remaining) [2023-08-29 17:12:24,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (103 of 135 remaining) [2023-08-29 17:12:24,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (102 of 135 remaining) [2023-08-29 17:12:24,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (101 of 135 remaining) [2023-08-29 17:12:24,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (100 of 135 remaining) [2023-08-29 17:12:24,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (99 of 135 remaining) [2023-08-29 17:12:24,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (98 of 135 remaining) [2023-08-29 17:12:24,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (97 of 135 remaining) [2023-08-29 17:12:24,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (96 of 135 remaining) [2023-08-29 17:12:24,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (95 of 135 remaining) [2023-08-29 17:12:24,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (94 of 135 remaining) [2023-08-29 17:12:24,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (93 of 135 remaining) [2023-08-29 17:12:24,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (92 of 135 remaining) [2023-08-29 17:12:24,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (91 of 135 remaining) [2023-08-29 17:12:24,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (90 of 135 remaining) [2023-08-29 17:12:24,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (89 of 135 remaining) [2023-08-29 17:12:24,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (88 of 135 remaining) [2023-08-29 17:12:24,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (87 of 135 remaining) [2023-08-29 17:12:24,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (86 of 135 remaining) [2023-08-29 17:12:24,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (85 of 135 remaining) [2023-08-29 17:12:24,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (84 of 135 remaining) [2023-08-29 17:12:24,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (83 of 135 remaining) [2023-08-29 17:12:24,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (82 of 135 remaining) [2023-08-29 17:12:24,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (81 of 135 remaining) [2023-08-29 17:12:24,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (80 of 135 remaining) [2023-08-29 17:12:24,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (79 of 135 remaining) [2023-08-29 17:12:24,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (78 of 135 remaining) [2023-08-29 17:12:24,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (77 of 135 remaining) [2023-08-29 17:12:24,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (76 of 135 remaining) [2023-08-29 17:12:24,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (75 of 135 remaining) [2023-08-29 17:12:24,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (74 of 135 remaining) [2023-08-29 17:12:24,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (73 of 135 remaining) [2023-08-29 17:12:24,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (72 of 135 remaining) [2023-08-29 17:12:24,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (71 of 135 remaining) [2023-08-29 17:12:24,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (70 of 135 remaining) [2023-08-29 17:12:24,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (69 of 135 remaining) [2023-08-29 17:12:24,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (68 of 135 remaining) [2023-08-29 17:12:24,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (67 of 135 remaining) [2023-08-29 17:12:24,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (66 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (65 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (64 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (63 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (62 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (61 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (60 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (59 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (58 of 135 remaining) [2023-08-29 17:12:24,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (57 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (56 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (55 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (54 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (53 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (52 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (51 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (50 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (49 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (48 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (47 of 135 remaining) [2023-08-29 17:12:24,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (46 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONDATA_RACE (43 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE (42 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr2ASSERT_VIOLATIONDATA_RACE (41 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr3ASSERT_VIOLATIONDATA_RACE (40 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE (39 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONDATA_RACE (38 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr6ASSERT_VIOLATIONDATA_RACE (37 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr7ASSERT_VIOLATIONDATA_RACE (36 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr8ASSERT_VIOLATIONDATA_RACE (35 of 135 remaining) [2023-08-29 17:12:24,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr9ASSERT_VIOLATIONDATA_RACE (34 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr10ASSERT_VIOLATIONDATA_RACE (33 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE (32 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE (31 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE (30 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (29 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONDATA_RACE (28 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONDATA_RACE (27 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONDATA_RACE (26 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONDATA_RACE (25 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONDATA_RACE (24 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONDATA_RACE (23 of 135 remaining) [2023-08-29 17:12:24,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONDATA_RACE (22 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONDATA_RACE (21 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr10ASSERT_VIOLATIONDATA_RACE (20 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr11ASSERT_VIOLATIONDATA_RACE (19 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr12ASSERT_VIOLATIONDATA_RACE (18 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr13ASSERT_VIOLATIONDATA_RACE (17 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr14ASSERT_VIOLATIONDATA_RACE (16 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr15ASSERT_VIOLATIONDATA_RACE (15 of 135 remaining) [2023-08-29 17:12:24,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr16ASSERT_VIOLATIONDATA_RACE (14 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr17ASSERT_VIOLATIONDATA_RACE (13 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONDATA_RACE (12 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE (11 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr2ASSERT_VIOLATIONDATA_RACE (10 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr3ASSERT_VIOLATIONDATA_RACE (9 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE (8 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONDATA_RACE (7 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr6ASSERT_VIOLATIONDATA_RACE (6 of 135 remaining) [2023-08-29 17:12:24,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr7ASSERT_VIOLATIONDATA_RACE (5 of 135 remaining) [2023-08-29 17:12:24,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr8ASSERT_VIOLATIONDATA_RACE (4 of 135 remaining) [2023-08-29 17:12:24,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr9ASSERT_VIOLATIONDATA_RACE (3 of 135 remaining) [2023-08-29 17:12:24,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr10ASSERT_VIOLATIONDATA_RACE (2 of 135 remaining) [2023-08-29 17:12:24,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE (1 of 135 remaining) [2023-08-29 17:12:24,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE (0 of 135 remaining) [2023-08-29 17:12:24,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 17:12:24,361 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:24,366 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:12:24,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:12:24,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:12:24 BasicIcfg [2023-08-29 17:12:24,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:12:24,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:12:24,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:12:24,370 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:12:24,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:59:14" (3/4) ... [2023-08-29 17:12:24,372 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:12:24,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 17:12:24,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 17:12:24,397 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 17:12:24,398 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 17:12:24,400 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 17:12:24,401 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 17:12:24,490 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:12:24,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:12:24,491 INFO L158 Benchmark]: Toolchain (without parser) took 797069.79ms. Allocated memory was 60.8MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 31.7MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 920.0MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,491 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:12:24,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4791.24ms. Allocated memory was 60.8MB in the beginning and 174.1MB in the end (delta: 113.2MB). Free memory was 31.5MB in the beginning and 52.7MB in the end (delta: -21.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 225.06ms. Allocated memory is still 174.1MB. Free memory was 52.7MB in the beginning and 86.9MB in the end (delta: -34.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,492 INFO L158 Benchmark]: Boogie Preprocessor took 118.47ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 78.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,492 INFO L158 Benchmark]: RCFGBuilder took 1633.04ms. Allocated memory was 174.1MB in the beginning and 249.6MB in the end (delta: 75.5MB). Free memory was 78.5MB in the beginning and 92.5MB in the end (delta: -14.0MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,492 INFO L158 Benchmark]: TraceAbstraction took 790176.01ms. Allocated memory was 249.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 91.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-08-29 17:12:24,492 INFO L158 Benchmark]: Witness Printer took 120.32ms. Allocated memory is still 2.5GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,498 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 50.3MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4791.24ms. Allocated memory was 60.8MB in the beginning and 174.1MB in the end (delta: 113.2MB). Free memory was 31.5MB in the beginning and 52.7MB in the end (delta: -21.2MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 225.06ms. Allocated memory is still 174.1MB. Free memory was 52.7MB in the beginning and 86.9MB in the end (delta: -34.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.47ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 78.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1633.04ms. Allocated memory was 174.1MB in the beginning and 249.6MB in the end (delta: 75.5MB). Free memory was 78.5MB in the beginning and 92.5MB in the end (delta: -14.0MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * TraceAbstraction took 790176.01ms. Allocated memory was 249.6MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 91.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 120.32ms. Allocated memory is still 2.5GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 633.5s, 1258 PlacesBefore, 186 PlacesAfterwards, 1311 TransitionsBefore, 203 TransitionsAfterwards, 94800 CoEnabledTransitionPairs, 11 FixpointIterations, 1081 TrivialSequentialCompositions, 392 ConcurrentSequentialCompositions, 51 TrivialYvCompositions, 37 ConcurrentYvCompositions, 36 ChoiceCompositions, 1597 TotalNumberOfCompositions, 206601 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 89873, independent: 88107, independent conditional: 0, independent unconditional: 88107, dependent: 1766, dependent conditional: 0, dependent unconditional: 1766, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49522, independent: 49215, independent conditional: 0, independent unconditional: 49215, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 89873, independent: 38892, independent conditional: 0, independent unconditional: 38892, dependent: 1459, dependent conditional: 0, dependent unconditional: 1459, unknown: 49522, unknown conditional: 0, unknown unconditional: 49522] , Statistics on independence cache: Total cache size (in pairs): 578, Positive cache size: 444, Positive conditional cache size: 0, Positive unconditional cache size: 444, Negative cache size: 134, Negative conditional cache size: 0, Negative unconditional cache size: 134, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 862]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 863]: 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: 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: 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: 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: 880]: 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: 7037]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6864]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6854]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6855]: 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, 1647 locations, 135 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: 789.9s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 76.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 634.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16868 SdHoareTripleChecker+Valid, 43.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11854 mSDsluCounter, 9251 SdHoareTripleChecker+Invalid, 39.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8336 mSDsCounter, 3206 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35857 IncrementalHoareTripleChecker+Invalid, 39063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3206 mSolverCounterUnsat, 915 mSDtfsCounter, 35857 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4023occurred in iteration=17, InterpolantAutomatonStates: 129, 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, 5.4s SatisfiabilityAnalysisTime, 72.9s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 868 ConstructedInterpolants, 0 QuantifiedInterpolants, 10951 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 102 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:12:24,572 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