./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations 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_open_pc8736x_gpio_get.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:20:52,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:20:52,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:20:52,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:20:52,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:20:52,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:20:52,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:20:52,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:20:52,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:20:52,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:20:52,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:20:52,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:20:52,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:20:52,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:20:52,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:20:52,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:20:52,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:20:52,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:20:52,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:20:52,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:20:52,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:20:52,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:20:52,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:20:52,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:20:52,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:20:52,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:20:52,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:20:52,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:20:52,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:20:52,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:20:52,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:20:52,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:20:52,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:20:52,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:20:52,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:20:52,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:20:52,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:20:52,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:20:52,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:20:52,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:20:52,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:20:52,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:20:52,332 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:20:52,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:20:52,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:20:52,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:20:52,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:20:52,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:20:52,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:20:52,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:20:52,335 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:20:52,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:20:52,336 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:20:52,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:20:52,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:20:52,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:20:52,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:20:52,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:20:52,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:20:52,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:20:52,338 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:20:52,338 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:20:52,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:20:52,338 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:20:52,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:20:52,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:20:52,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:20:52,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:20:52,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:20:52,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:20:52,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:20:52,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:20:52,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:20:52,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:20:52,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:20:52,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:20:52,341 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:20:52,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:20:52,341 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:20:52,341 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:20:52,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:20:52,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:20:52,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:20:52,664 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:20:52,665 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:20:52,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-29 17:20:53,822 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:20:54,293 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:20:54,293 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-29 17:20:54,331 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80eed061/fd587add979e457d80cce85d5342b34a/FLAGa583b2ab1 [2023-08-29 17:20:54,349 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80eed061/fd587add979e457d80cce85d5342b34a [2023-08-29 17:20:54,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:20:54,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:20:54,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:20:54,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:20:54,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:20:54,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:20:54" (1/1) ... [2023-08-29 17:20:54,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e152815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:54, skipping insertion in model container [2023-08-29 17:20:54,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:20:54" (1/1) ... [2023-08-29 17:20:54,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:20:54,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:20:54,716 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2023-08-29 17:20:56,847 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:20:57,331 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:20:57,331 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:20:57,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:20:57,396 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:20:57,422 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2023-08-29 17:20:57,732 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:20:57,814 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:20:57,815 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:20:57,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:20:58,446 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:20:58,446 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:20:58,447 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:20:58,447 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:20:58,447 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:20:58,447 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:20:58,448 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:20:58,453 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:20:58,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58 WrapperNode [2023-08-29 17:20:58,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:20:58,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:20:58,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:20:58,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:20:58,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,678 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 910 [2023-08-29 17:20:58,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:20:58,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:20:58,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:20:58,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:20:58,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:20:58,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:20:58,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:20:58,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:20:58,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (1/1) ... [2023-08-29 17:20:58,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:20:58,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:20:58,843 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 17:20:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:20:58,862 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 17:20:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:20:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:20:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:20:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:20:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:20:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:20:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:20:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 17:20:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:20:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:20:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:20:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:20:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:20:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:20:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 17:20:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:20:58,881 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 17:20:59,421 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:20:59,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:21:00,298 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:21:00,309 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:21:00,309 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-08-29 17:21:00,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:21:00 BoogieIcfgContainer [2023-08-29 17:21:00,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:21:00,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:21:00,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:21:00,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:21:00,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:20:54" (1/3) ... [2023-08-29 17:21:00,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359ce72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:21:00, skipping insertion in model container [2023-08-29 17:21:00,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:20:58" (2/3) ... [2023-08-29 17:21:00,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359ce72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:21:00, skipping insertion in model container [2023-08-29 17:21:00,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:21:00" (3/3) ... [2023-08-29 17:21:00,318 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-29 17:21:00,325 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:21:00,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:21:00,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 79 error locations. [2023-08-29 17:21:00,333 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:21:00,442 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:21:00,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1006 places, 1043 transitions, 2102 flow [2023-08-29 17:21:00,782 INFO L130 PetriNetUnfolder]: 44/1041 cut-off events. [2023-08-29 17:21:00,783 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:21:00,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1050 conditions, 1041 events. 44/1041 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1398 event pairs, 0 based on Foata normal form. 0/918 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 17:21:00,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 1006 places, 1043 transitions, 2102 flow [2023-08-29 17:21:00,799 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 996 places, 1033 transitions, 2075 flow [2023-08-29 17:21:00,802 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:21:00,809 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 996 places, 1033 transitions, 2075 flow [2023-08-29 17:21:00,811 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 996 places, 1033 transitions, 2075 flow [2023-08-29 17:21:00,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 996 places, 1033 transitions, 2075 flow [2023-08-29 17:21:00,993 INFO L130 PetriNetUnfolder]: 44/1033 cut-off events. [2023-08-29 17:21:00,993 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:21:00,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1041 conditions, 1033 events. 44/1033 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1327 event pairs, 0 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 17:21:01,002 INFO L119 LiptonReduction]: Number of co-enabled transitions 11680 [2023-08-29 17:22:38,517 WARN L222 SmtUtils]: Spent 26.32s on a formula simplification that was a NOOP. DAG size: 565 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:22:51,140 WARN L222 SmtUtils]: Spent 12.61s on a formula simplification that was a NOOP. DAG size: 498 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:23:07,418 WARN L222 SmtUtils]: Spent 16.28s on a formula simplification that was a NOOP. DAG size: 565 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:23:21,160 WARN L222 SmtUtils]: Spent 13.73s on a formula simplification that was a NOOP. DAG size: 498 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:25:35,787 WARN L222 SmtUtils]: Spent 1.91m on a formula simplification. DAG size of input: 613 DAG size of output: 611 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:26:29,089 WARN L222 SmtUtils]: Spent 53.28s 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 17:27:23,652 WARN L222 SmtUtils]: Spent 54.56s on a formula simplification. DAG size of input: 616 DAG size of output: 614 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:28:24,754 WARN L222 SmtUtils]: Spent 1.02m 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 17:28:40,889 WARN L222 SmtUtils]: Spent 8.62s on a formula simplification. DAG size of input: 331 DAG size of output: 325 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:28:45,811 INFO L134 LiptonReduction]: Checked pairs total: 39342 [2023-08-29 17:28:45,811 INFO L136 LiptonReduction]: Total number of compositions: 1256 [2023-08-29 17:28:45,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:28:45,829 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;@54b1011b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:28:45,830 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2023-08-29 17:28:45,831 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:28:45,831 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:45,832 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:45,832 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:28:45,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:45,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash 3636, now seen corresponding path program 1 times [2023-08-29 17:28:45,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:45,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153442336] [2023-08-29 17:28:45,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:45,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:46,052 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 17:28:46,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:46,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153442336] [2023-08-29 17:28:46,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153442336] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:46,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:46,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:28:46,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612157182] [2023-08-29 17:28:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:46,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:28:46,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:46,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:28:46,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:28:46,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1011 out of 2299 [2023-08-29 17:28:46,100 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 155 transitions, 319 flow. Second operand has 2 states, 2 states have (on average 1011.5) internal successors, (2023), 2 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:46,100 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:46,100 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1011 of 2299 [2023-08-29 17:28:46,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:46,417 INFO L130 PetriNetUnfolder]: 92/347 cut-off events. [2023-08-29 17:28:46,418 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-29 17:28:46,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 347 events. 92/347 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1573 event pairs, 81 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 443. Up to 185 conditions per place. [2023-08-29 17:28:46,424 INFO L137 encePairwiseOnDemand]: 2218/2299 looper letters, 40 selfloop transitions, 0 changer transitions 0/74 dead transitions. [2023-08-29 17:28:46,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 237 flow [2023-08-29 17:28:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:28:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:28:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2143 transitions. [2023-08-29 17:28:46,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46607220530665505 [2023-08-29 17:28:46,448 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2143 transitions. [2023-08-29 17:28:46,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2143 transitions. [2023-08-29 17:28:46,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:46,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2143 transitions. [2023-08-29 17:28:46,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1071.5) internal successors, (2143), 2 states have internal predecessors, (2143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:46,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2299.0) internal successors, (6897), 3 states have internal predecessors, (6897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:46,479 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2299.0) internal successors, (6897), 3 states have internal predecessors, (6897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:46,480 INFO L175 Difference]: Start difference. First operand has 141 places, 155 transitions, 319 flow. Second operand 2 states and 2143 transitions. [2023-08-29 17:28:46,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 237 flow [2023-08-29 17:28:46,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 232 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:28:46,486 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 152 flow [2023-08-29 17:28:46,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=152, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2023-08-29 17:28:46,490 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -73 predicate places. [2023-08-29 17:28:46,491 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 152 flow [2023-08-29 17:28:46,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1011.5) internal successors, (2023), 2 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:46,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:46,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:28:46,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:28:46,493 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:46,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:46,494 INFO L85 PathProgramCache]: Analyzing trace with hash 3679146, now seen corresponding path program 1 times [2023-08-29 17:28:46,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:46,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221429057] [2023-08-29 17:28:46,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:46,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:46,824 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 17:28:46,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:46,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221429057] [2023-08-29 17:28:46,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221429057] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:46,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:46,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:28:46,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233487772] [2023-08-29 17:28:46,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:46,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:28:46,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:46,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:28:46,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:28:46,860 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 992 out of 2299 [2023-08-29 17:28:46,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 993.0) internal successors, (2979), 3 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:46,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:46,864 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 992 of 2299 [2023-08-29 17:28:46,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:47,326 INFO L130 PetriNetUnfolder]: 92/345 cut-off events. [2023-08-29 17:28:47,327 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:47,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 345 events. 92/345 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1540 event pairs, 81 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 544. Up to 182 conditions per place. [2023-08-29 17:28:47,329 INFO L137 encePairwiseOnDemand]: 2294/2299 looper letters, 37 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2023-08-29 17:28:47,329 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 228 flow [2023-08-29 17:28:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:28:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:28:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3018 transitions. [2023-08-29 17:28:47,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43758155719878206 [2023-08-29 17:28:47,336 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3018 transitions. [2023-08-29 17:28:47,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3018 transitions. [2023-08-29 17:28:47,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:47,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3018 transitions. [2023-08-29 17:28:47,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1006.0) internal successors, (3018), 3 states have internal predecessors, (3018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:47,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:47,357 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:47,357 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 152 flow. Second operand 3 states and 3018 transitions. [2023-08-29 17:28:47,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 228 flow [2023-08-29 17:28:47,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 72 transitions, 228 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:28:47,360 INFO L231 Difference]: Finished difference. Result has 68 places, 72 transitions, 154 flow [2023-08-29 17:28:47,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=68, PETRI_TRANSITIONS=72} [2023-08-29 17:28:47,361 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -73 predicate places. [2023-08-29 17:28:47,361 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 72 transitions, 154 flow [2023-08-29 17:28:47,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 993.0) internal successors, (2979), 3 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:47,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:47,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:47,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:28:47,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:47,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:47,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2116983376, now seen corresponding path program 1 times [2023-08-29 17:28:47,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:47,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063057553] [2023-08-29 17:28:47,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:47,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:47,667 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 17:28:47,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:47,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063057553] [2023-08-29 17:28:47,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063057553] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:47,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:47,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:28:47,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981995650] [2023-08-29 17:28:47,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:47,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:28:47,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:47,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:28:47,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:28:47,700 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 2299 [2023-08-29 17:28:47,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 72 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:47,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:47,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 2299 [2023-08-29 17:28:47,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:48,359 INFO L130 PetriNetUnfolder]: 90/342 cut-off events. [2023-08-29 17:28:48,359 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:48,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 342 events. 90/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1532 event pairs, 81 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 540. Up to 181 conditions per place. [2023-08-29 17:28:48,361 INFO L137 encePairwiseOnDemand]: 2296/2299 looper letters, 36 selfloop transitions, 1 changer transitions 0/69 dead transitions. [2023-08-29 17:28:48,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 220 flow [2023-08-29 17:28:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:28:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:28:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3060 transitions. [2023-08-29 17:28:48,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4436711613745107 [2023-08-29 17:28:48,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3060 transitions. [2023-08-29 17:28:48,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3060 transitions. [2023-08-29 17:28:48,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:48,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3060 transitions. [2023-08-29 17:28:48,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1020.0) internal successors, (3060), 3 states have internal predecessors, (3060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:48,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:48,389 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2299.0) internal successors, (9196), 4 states have internal predecessors, (9196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:48,389 INFO L175 Difference]: Start difference. First operand has 68 places, 72 transitions, 154 flow. Second operand 3 states and 3060 transitions. [2023-08-29 17:28:48,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 220 flow [2023-08-29 17:28:48,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 69 transitions, 218 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:28:48,392 INFO L231 Difference]: Finished difference. Result has 68 places, 69 transitions, 146 flow [2023-08-29 17:28:48,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=68, PETRI_TRANSITIONS=69} [2023-08-29 17:28:48,393 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -73 predicate places. [2023-08-29 17:28:48,393 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 69 transitions, 146 flow [2023-08-29 17:28:48,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:48,395 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:48,397 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:48,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:28:48,398 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:48,398 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:48,398 INFO L85 PathProgramCache]: Analyzing trace with hash -648737237, now seen corresponding path program 1 times [2023-08-29 17:28:48,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:48,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709965505] [2023-08-29 17:28:48,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:48,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:49,384 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 17:28:49,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:49,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709965505] [2023-08-29 17:28:49,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709965505] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:49,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:49,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:49,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520154550] [2023-08-29 17:28:49,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:49,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:49,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:49,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:49,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:49,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 988 out of 2299 [2023-08-29 17:28:49,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 146 flow. Second operand has 6 states, 6 states have (on average 989.6666666666666) internal successors, (5938), 6 states have internal predecessors, (5938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:49,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:49,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 988 of 2299 [2023-08-29 17:28:49,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:50,387 INFO L130 PetriNetUnfolder]: 186/495 cut-off events. [2023-08-29 17:28:50,388 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:28:50,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 495 events. 186/495 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2184 event pairs, 105 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 886. Up to 226 conditions per place. [2023-08-29 17:28:50,391 INFO L137 encePairwiseOnDemand]: 2293/2299 looper letters, 64 selfloop transitions, 5 changer transitions 0/92 dead transitions. [2023-08-29 17:28:50,391 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 92 transitions, 338 flow [2023-08-29 17:28:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5998 transitions. [2023-08-29 17:28:50,404 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43482673626214297 [2023-08-29 17:28:50,404 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5998 transitions. [2023-08-29 17:28:50,404 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5998 transitions. [2023-08-29 17:28:50,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:50,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5998 transitions. [2023-08-29 17:28:50,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 999.6666666666666) internal successors, (5998), 6 states have internal predecessors, (5998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:50,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:50,434 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:50,434 INFO L175 Difference]: Start difference. First operand has 68 places, 69 transitions, 146 flow. Second operand 6 states and 5998 transitions. [2023-08-29 17:28:50,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 92 transitions, 338 flow [2023-08-29 17:28:50,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 92 transitions, 337 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:28:50,436 INFO L231 Difference]: Finished difference. Result has 71 places, 68 transitions, 153 flow [2023-08-29 17:28:50,437 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=153, PETRI_PLACES=71, PETRI_TRANSITIONS=68} [2023-08-29 17:28:50,437 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -70 predicate places. [2023-08-29 17:28:50,437 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 68 transitions, 153 flow [2023-08-29 17:28:50,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 989.6666666666666) internal successors, (5938), 6 states have internal predecessors, (5938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:50,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:50,439 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:50,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:28:50,439 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:50,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:50,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1502343817, now seen corresponding path program 1 times [2023-08-29 17:28:50,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:50,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747991407] [2023-08-29 17:28:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:51,240 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 17:28:51,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:51,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747991407] [2023-08-29 17:28:51,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747991407] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:51,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:51,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:51,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151177783] [2023-08-29 17:28:51,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:51,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:51,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:51,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:51,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:51,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 2299 [2023-08-29 17:28:51,747 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 68 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 989.0) internal successors, (5934), 6 states have internal predecessors, (5934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:51,747 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:51,747 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 2299 [2023-08-29 17:28:51,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:52,596 INFO L130 PetriNetUnfolder]: 751/1562 cut-off events. [2023-08-29 17:28:52,596 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2023-08-29 17:28:52,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2904 conditions, 1562 events. 751/1562 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 9503 event pairs, 267 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 2900. Up to 732 conditions per place. [2023-08-29 17:28:52,604 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 84 selfloop transitions, 21 changer transitions 0/126 dead transitions. [2023-08-29 17:28:52,604 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 126 transitions, 488 flow [2023-08-29 17:28:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6028 transitions. [2023-08-29 17:28:52,618 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4370015948963317 [2023-08-29 17:28:52,618 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6028 transitions. [2023-08-29 17:28:52,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6028 transitions. [2023-08-29 17:28:52,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:52,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6028 transitions. [2023-08-29 17:28:52,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1004.6666666666666) internal successors, (6028), 6 states have internal predecessors, (6028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:52,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:52,647 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:52,647 INFO L175 Difference]: Start difference. First operand has 71 places, 68 transitions, 153 flow. Second operand 6 states and 6028 transitions. [2023-08-29 17:28:52,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 126 transitions, 488 flow [2023-08-29 17:28:52,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 126 transitions, 470 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 17:28:52,651 INFO L231 Difference]: Finished difference. Result has 76 places, 88 transitions, 285 flow [2023-08-29 17:28:52,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=76, PETRI_TRANSITIONS=88} [2023-08-29 17:28:52,652 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -65 predicate places. [2023-08-29 17:28:52,652 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 88 transitions, 285 flow [2023-08-29 17:28:52,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 989.0) internal successors, (5934), 6 states have internal predecessors, (5934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:52,653 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:52,654 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:52,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:28:52,654 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:52,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:52,654 INFO L85 PathProgramCache]: Analyzing trace with hash 489531121, now seen corresponding path program 1 times [2023-08-29 17:28:52,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:52,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651620936] [2023-08-29 17:28:52,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:52,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:53,518 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 17:28:53,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:53,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651620936] [2023-08-29 17:28:53,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651620936] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:53,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:53,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:53,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030729797] [2023-08-29 17:28:53,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:53,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:53,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:53,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:53,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:54,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 986 out of 2299 [2023-08-29 17:28:54,169 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 88 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 988.0) internal successors, (5928), 6 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:54,169 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:54,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 986 of 2299 [2023-08-29 17:28:54,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:55,154 INFO L130 PetriNetUnfolder]: 1200/2801 cut-off events. [2023-08-29 17:28:55,154 INFO L131 PetriNetUnfolder]: For 992/1069 co-relation queries the response was YES. [2023-08-29 17:28:55,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6177 conditions, 2801 events. 1200/2801 cut-off events. For 992/1069 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 20351 event pairs, 174 based on Foata normal form. 4/2681 useless extension candidates. Maximal degree in co-relation 6169. Up to 1296 conditions per place. [2023-08-29 17:28:55,172 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 98 selfloop transitions, 85 changer transitions 0/209 dead transitions. [2023-08-29 17:28:55,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 209 transitions, 1185 flow [2023-08-29 17:28:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6020 transitions. [2023-08-29 17:28:55,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4364216325938814 [2023-08-29 17:28:55,186 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6020 transitions. [2023-08-29 17:28:55,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6020 transitions. [2023-08-29 17:28:55,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:55,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6020 transitions. [2023-08-29 17:28:55,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1003.3333333333334) internal successors, (6020), 6 states have internal predecessors, (6020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:55,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:55,214 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:55,215 INFO L175 Difference]: Start difference. First operand has 76 places, 88 transitions, 285 flow. Second operand 6 states and 6020 transitions. [2023-08-29 17:28:55,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 209 transitions, 1185 flow [2023-08-29 17:28:55,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 209 transitions, 1185 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:28:55,225 INFO L231 Difference]: Finished difference. Result has 86 places, 172 transitions, 1131 flow [2023-08-29 17:28:55,225 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1131, PETRI_PLACES=86, PETRI_TRANSITIONS=172} [2023-08-29 17:28:55,229 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -55 predicate places. [2023-08-29 17:28:55,229 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 172 transitions, 1131 flow [2023-08-29 17:28:55,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 988.0) internal successors, (5928), 6 states have internal predecessors, (5928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:55,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:55,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:28:55,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:28:55,231 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:55,232 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1603140428, now seen corresponding path program 1 times [2023-08-29 17:28:55,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:55,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937606139] [2023-08-29 17:28:55,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:55,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:55,974 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 17:28:55,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:55,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937606139] [2023-08-29 17:28:55,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937606139] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:55,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:55,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:28:55,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088465494] [2023-08-29 17:28:55,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:55,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:28:55,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:55,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:28:55,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:28:56,320 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 949 out of 2299 [2023-08-29 17:28:56,324 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 172 transitions, 1131 flow. Second operand has 6 states, 6 states have (on average 951.6666666666666) internal successors, (5710), 6 states have internal predecessors, (5710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:56,324 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:28:56,324 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 949 of 2299 [2023-08-29 17:28:56,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:28:57,923 INFO L130 PetriNetUnfolder]: 4100/7246 cut-off events. [2023-08-29 17:28:57,923 INFO L131 PetriNetUnfolder]: For 7405/7552 co-relation queries the response was YES. [2023-08-29 17:28:57,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21681 conditions, 7246 events. 4100/7246 cut-off events. For 7405/7552 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 45413 event pairs, 2069 based on Foata normal form. 0/7036 useless extension candidates. Maximal degree in co-relation 21668. Up to 6276 conditions per place. [2023-08-29 17:28:57,972 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 163 selfloop transitions, 70 changer transitions 0/241 dead transitions. [2023-08-29 17:28:57,972 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 241 transitions, 1911 flow [2023-08-29 17:28:57,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:28:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:28:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5816 transitions. [2023-08-29 17:28:57,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42163259388139773 [2023-08-29 17:28:57,986 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5816 transitions. [2023-08-29 17:28:57,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5816 transitions. [2023-08-29 17:28:57,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:28:57,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5816 transitions. [2023-08-29 17:28:58,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 969.3333333333334) internal successors, (5816), 6 states have internal predecessors, (5816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:58,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:58,015 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:58,015 INFO L175 Difference]: Start difference. First operand has 86 places, 172 transitions, 1131 flow. Second operand 6 states and 5816 transitions. [2023-08-29 17:28:58,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 241 transitions, 1911 flow [2023-08-29 17:28:58,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 241 transitions, 1911 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:28:58,068 INFO L231 Difference]: Finished difference. Result has 95 places, 217 transitions, 1639 flow [2023-08-29 17:28:58,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1639, PETRI_PLACES=95, PETRI_TRANSITIONS=217} [2023-08-29 17:28:58,069 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -46 predicate places. [2023-08-29 17:28:58,069 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 217 transitions, 1639 flow [2023-08-29 17:28:58,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 951.6666666666666) internal successors, (5710), 6 states have internal predecessors, (5710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:28:58,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:28:58,071 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 17:28:58,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:28:58,071 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:28:58,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:28:58,072 INFO L85 PathProgramCache]: Analyzing trace with hash -847406760, now seen corresponding path program 1 times [2023-08-29 17:28:58,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:28:58,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80954504] [2023-08-29 17:28:58,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:28:58,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:28:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:28:59,291 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 17:28:59,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:28:59,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80954504] [2023-08-29 17:28:59,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80954504] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:28:59,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:28:59,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:28:59,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834320787] [2023-08-29 17:28:59,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:28:59,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:28:59,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:28:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:28:59,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:29:00,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 17:29:00,851 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 217 transitions, 1639 flow. Second operand has 11 states, 11 states have (on average 980.5454545454545) internal successors, (10786), 11 states have internal predecessors, (10786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:00,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:00,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 17:29:00,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:02,574 INFO L130 PetriNetUnfolder]: 3052/6132 cut-off events. [2023-08-29 17:29:02,574 INFO L131 PetriNetUnfolder]: For 9729/10142 co-relation queries the response was YES. [2023-08-29 17:29:02,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21131 conditions, 6132 events. 3052/6132 cut-off events. For 9729/10142 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 46152 event pairs, 178 based on Foata normal form. 287/6324 useless extension candidates. Maximal degree in co-relation 21113. Up to 1915 conditions per place. [2023-08-29 17:29:02,626 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 325 selfloop transitions, 31 changer transitions 0/396 dead transitions. [2023-08-29 17:29:02,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 396 transitions, 3681 flow [2023-08-29 17:29:02,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:29:02,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:29:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9905 transitions. [2023-08-29 17:29:02,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43083949543279687 [2023-08-29 17:29:02,645 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9905 transitions. [2023-08-29 17:29:02,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9905 transitions. [2023-08-29 17:29:02,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:02,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9905 transitions. [2023-08-29 17:29:02,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 990.5) internal successors, (9905), 10 states have internal predecessors, (9905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:02,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:02,732 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:02,732 INFO L175 Difference]: Start difference. First operand has 95 places, 217 transitions, 1639 flow. Second operand 10 states and 9905 transitions. [2023-08-29 17:29:02,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 396 transitions, 3681 flow [2023-08-29 17:29:02,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 396 transitions, 3609 flow, removed 36 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:02,801 INFO L231 Difference]: Finished difference. Result has 109 places, 240 transitions, 1869 flow [2023-08-29 17:29:02,801 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1869, PETRI_PLACES=109, PETRI_TRANSITIONS=240} [2023-08-29 17:29:02,801 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -32 predicate places. [2023-08-29 17:29:02,802 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 240 transitions, 1869 flow [2023-08-29 17:29:02,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.5454545454545) internal successors, (10786), 11 states have internal predecessors, (10786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:02,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:02,804 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 17:29:02,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:29:02,804 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:02,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:02,805 INFO L85 PathProgramCache]: Analyzing trace with hash 63709240, now seen corresponding path program 2 times [2023-08-29 17:29:02,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:02,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889359738] [2023-08-29 17:29:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:04,098 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 17:29:04,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:04,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889359738] [2023-08-29 17:29:04,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889359738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:04,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:04,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:29:04,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360144518] [2023-08-29 17:29:04,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:04,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:29:04,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:04,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:29:04,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:29:05,552 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 17:29:05,557 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 240 transitions, 1869 flow. Second operand has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:05,557 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:05,557 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 17:29:05,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:07,888 INFO L130 PetriNetUnfolder]: 3423/7143 cut-off events. [2023-08-29 17:29:07,888 INFO L131 PetriNetUnfolder]: For 17207/17741 co-relation queries the response was YES. [2023-08-29 17:29:07,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26699 conditions, 7143 events. 3423/7143 cut-off events. For 17207/17741 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 57206 event pairs, 606 based on Foata normal form. 297/7309 useless extension candidates. Maximal degree in co-relation 26675. Up to 3296 conditions per place. [2023-08-29 17:29:07,937 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 199 selfloop transitions, 105 changer transitions 0/344 dead transitions. [2023-08-29 17:29:07,937 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 344 transitions, 3154 flow [2023-08-29 17:29:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:29:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:29:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8932 transitions. [2023-08-29 17:29:07,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43168527379053695 [2023-08-29 17:29:07,955 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8932 transitions. [2023-08-29 17:29:07,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8932 transitions. [2023-08-29 17:29:07,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:07,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8932 transitions. [2023-08-29 17:29:07,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 992.4444444444445) internal successors, (8932), 9 states have internal predecessors, (8932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:07,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:07,988 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:07,988 INFO L175 Difference]: Start difference. First operand has 109 places, 240 transitions, 1869 flow. Second operand 9 states and 8932 transitions. [2023-08-29 17:29:07,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 344 transitions, 3154 flow [2023-08-29 17:29:08,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 344 transitions, 3150 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:29:08,106 INFO L231 Difference]: Finished difference. Result has 118 places, 268 transitions, 2575 flow [2023-08-29 17:29:08,106 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=1865, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2575, PETRI_PLACES=118, PETRI_TRANSITIONS=268} [2023-08-29 17:29:08,107 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -23 predicate places. [2023-08-29 17:29:08,107 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 268 transitions, 2575 flow [2023-08-29 17:29:08,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:08,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:08,109 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 17:29:08,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:29:08,109 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:08,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:08,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1960543191, now seen corresponding path program 1 times [2023-08-29 17:29:08,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:08,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254223380] [2023-08-29 17:29:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:08,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:09,007 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 17:29:09,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:09,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254223380] [2023-08-29 17:29:09,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254223380] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:09,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:09,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:29:09,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81317743] [2023-08-29 17:29:09,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:09,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:29:09,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:09,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:29:09,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:29:09,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 2299 [2023-08-29 17:29:09,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 268 transitions, 2575 flow. Second operand has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:09,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:09,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 2299 [2023-08-29 17:29:09,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:11,884 INFO L130 PetriNetUnfolder]: 6871/12273 cut-off events. [2023-08-29 17:29:11,884 INFO L131 PetriNetUnfolder]: For 41718/42116 co-relation queries the response was YES. [2023-08-29 17:29:11,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49846 conditions, 12273 events. 6871/12273 cut-off events. For 41718/42116 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 86989 event pairs, 1728 based on Foata normal form. 82/12051 useless extension candidates. Maximal degree in co-relation 49819. Up to 9242 conditions per place. [2023-08-29 17:29:11,967 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 253 selfloop transitions, 118 changer transitions 0/383 dead transitions. [2023-08-29 17:29:11,967 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 383 transitions, 4252 flow [2023-08-29 17:29:11,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:29:11,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:29:11,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8632 transitions. [2023-08-29 17:29:11,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41718621622927843 [2023-08-29 17:29:11,986 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8632 transitions. [2023-08-29 17:29:11,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8632 transitions. [2023-08-29 17:29:11,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:11,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8632 transitions. [2023-08-29 17:29:12,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 959.1111111111111) internal successors, (8632), 9 states have internal predecessors, (8632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:12,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:12,019 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:12,019 INFO L175 Difference]: Start difference. First operand has 118 places, 268 transitions, 2575 flow. Second operand 9 states and 8632 transitions. [2023-08-29 17:29:12,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 383 transitions, 4252 flow [2023-08-29 17:29:12,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 383 transitions, 4129 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 17:29:12,309 INFO L231 Difference]: Finished difference. Result has 125 places, 316 transitions, 3423 flow [2023-08-29 17:29:12,310 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=2495, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3423, PETRI_PLACES=125, PETRI_TRANSITIONS=316} [2023-08-29 17:29:12,310 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -16 predicate places. [2023-08-29 17:29:12,311 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 316 transitions, 3423 flow [2023-08-29 17:29:12,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:12,312 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:12,313 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 17:29:12,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:29:12,313 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:12,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:12,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1419657842, now seen corresponding path program 3 times [2023-08-29 17:29:12,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:12,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612212353] [2023-08-29 17:29:12,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:12,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:14,057 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 17:29:14,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:14,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612212353] [2023-08-29 17:29:14,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612212353] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:14,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:14,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:29:14,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635658322] [2023-08-29 17:29:14,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:14,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:29:14,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:14,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:29:14,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:29:15,804 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 17:29:15,809 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 316 transitions, 3423 flow. Second operand has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:15,809 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:15,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 17:29:15,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:18,201 INFO L130 PetriNetUnfolder]: 4709/9851 cut-off events. [2023-08-29 17:29:18,202 INFO L131 PetriNetUnfolder]: For 42461/43247 co-relation queries the response was YES. [2023-08-29 17:29:18,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44521 conditions, 9851 events. 4709/9851 cut-off events. For 42461/43247 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 83480 event pairs, 835 based on Foata normal form. 390/10036 useless extension candidates. Maximal degree in co-relation 44490. Up to 3939 conditions per place. [2023-08-29 17:29:18,260 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 285 selfloop transitions, 136 changer transitions 0/478 dead transitions. [2023-08-29 17:29:18,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 478 transitions, 5785 flow [2023-08-29 17:29:18,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:29:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:29:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9924 transitions. [2023-08-29 17:29:18,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4316659417137886 [2023-08-29 17:29:18,275 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9924 transitions. [2023-08-29 17:29:18,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9924 transitions. [2023-08-29 17:29:18,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:18,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9924 transitions. [2023-08-29 17:29:18,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 992.4) internal successors, (9924), 10 states have internal predecessors, (9924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:18,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:18,314 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:18,314 INFO L175 Difference]: Start difference. First operand has 125 places, 316 transitions, 3423 flow. Second operand 10 states and 9924 transitions. [2023-08-29 17:29:18,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 478 transitions, 5785 flow [2023-08-29 17:29:18,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 478 transitions, 5741 flow, removed 20 selfloop flow, removed 2 redundant places. [2023-08-29 17:29:18,624 INFO L231 Difference]: Finished difference. Result has 137 places, 361 transitions, 4680 flow [2023-08-29 17:29:18,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=3391, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=91, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4680, PETRI_PLACES=137, PETRI_TRANSITIONS=361} [2023-08-29 17:29:18,625 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -4 predicate places. [2023-08-29 17:29:18,625 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 361 transitions, 4680 flow [2023-08-29 17:29:18,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:18,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:18,627 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 17:29:18,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:29:18,627 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:18,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:18,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1985113934, now seen corresponding path program 1 times [2023-08-29 17:29:18,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:18,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262943517] [2023-08-29 17:29:18,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:18,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:20,552 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 17:29:20,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:20,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262943517] [2023-08-29 17:29:20,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262943517] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:20,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:20,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:29:20,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595710284] [2023-08-29 17:29:20,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:20,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:29:20,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:20,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:29:20,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:29:21,618 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 17:29:21,622 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 361 transitions, 4680 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:21,622 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:21,622 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 17:29:21,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:25,158 INFO L130 PetriNetUnfolder]: 4772/11233 cut-off events. [2023-08-29 17:29:25,158 INFO L131 PetriNetUnfolder]: For 69955/71274 co-relation queries the response was YES. [2023-08-29 17:29:25,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51745 conditions, 11233 events. 4772/11233 cut-off events. For 69955/71274 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 106671 event pairs, 509 based on Foata normal form. 653/11615 useless extension candidates. Maximal degree in co-relation 51709. Up to 4361 conditions per place. [2023-08-29 17:29:25,248 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 255 selfloop transitions, 165 changer transitions 0/492 dead transitions. [2023-08-29 17:29:25,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 492 transitions, 7197 flow [2023-08-29 17:29:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:29:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:29:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7958 transitions. [2023-08-29 17:29:25,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43268812527185735 [2023-08-29 17:29:25,256 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 7958 transitions. [2023-08-29 17:29:25,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 7958 transitions. [2023-08-29 17:29:25,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:25,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 7958 transitions. [2023-08-29 17:29:25,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 994.75) internal successors, (7958), 8 states have internal predecessors, (7958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:25,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:25,278 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:25,278 INFO L175 Difference]: Start difference. First operand has 137 places, 361 transitions, 4680 flow. Second operand 8 states and 7958 transitions. [2023-08-29 17:29:25,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 492 transitions, 7197 flow [2023-08-29 17:29:25,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 492 transitions, 7081 flow, removed 12 selfloop flow, removed 5 redundant places. [2023-08-29 17:29:25,707 INFO L231 Difference]: Finished difference. Result has 142 places, 404 transitions, 6061 flow [2023-08-29 17:29:25,707 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=4594, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6061, PETRI_PLACES=142, PETRI_TRANSITIONS=404} [2023-08-29 17:29:25,707 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 1 predicate places. [2023-08-29 17:29:25,708 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 404 transitions, 6061 flow [2023-08-29 17:29:25,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:25,709 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:25,709 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 17:29:25,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:29:25,709 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:25,709 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:25,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1103943064, now seen corresponding path program 4 times [2023-08-29 17:29:25,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:25,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561039779] [2023-08-29 17:29:25,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:25,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:26,796 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 17:29:26,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:26,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561039779] [2023-08-29 17:29:26,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561039779] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:26,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:26,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:29:26,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182794800] [2023-08-29 17:29:26,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:26,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:29:26,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:26,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:29:26,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:29:28,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2299 [2023-08-29 17:29:28,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 404 transitions, 6061 flow. Second operand has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:28,542 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:28,542 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2299 [2023-08-29 17:29:28,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:32,023 INFO L130 PetriNetUnfolder]: 7570/16097 cut-off events. [2023-08-29 17:29:32,023 INFO L131 PetriNetUnfolder]: For 106151/107090 co-relation queries the response was YES. [2023-08-29 17:29:32,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79544 conditions, 16097 events. 7570/16097 cut-off events. For 106151/107090 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 149763 event pairs, 1194 based on Foata normal form. 668/16375 useless extension candidates. Maximal degree in co-relation 79506. Up to 3293 conditions per place. [2023-08-29 17:29:32,151 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 489 selfloop transitions, 201 changer transitions 0/747 dead transitions. [2023-08-29 17:29:32,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 747 transitions, 12619 flow [2023-08-29 17:29:32,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:29:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:29:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9927 transitions. [2023-08-29 17:29:32,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4317964332318399 [2023-08-29 17:29:32,161 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9927 transitions. [2023-08-29 17:29:32,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9927 transitions. [2023-08-29 17:29:32,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:32,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9927 transitions. [2023-08-29 17:29:32,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 992.7) internal successors, (9927), 10 states have internal predecessors, (9927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,186 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,186 INFO L175 Difference]: Start difference. First operand has 142 places, 404 transitions, 6061 flow. Second operand 10 states and 9927 transitions. [2023-08-29 17:29:32,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 747 transitions, 12619 flow [2023-08-29 17:29:33,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 747 transitions, 12432 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 17:29:33,154 INFO L231 Difference]: Finished difference. Result has 153 places, 508 transitions, 8968 flow [2023-08-29 17:29:33,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=5958, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8968, PETRI_PLACES=153, PETRI_TRANSITIONS=508} [2023-08-29 17:29:33,154 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 12 predicate places. [2023-08-29 17:29:33,155 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 508 transitions, 8968 flow [2023-08-29 17:29:33,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 980.4545454545455) internal successors, (10785), 11 states have internal predecessors, (10785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:33,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:33,156 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 17:29:33,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:29:33,156 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:33,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:33,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1367660786, now seen corresponding path program 2 times [2023-08-29 17:29:33,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:33,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981035833] [2023-08-29 17:29:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:33,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:35,730 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 17:29:35,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:35,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981035833] [2023-08-29 17:29:35,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981035833] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:35,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:35,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:29:35,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388067762] [2023-08-29 17:29:35,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:35,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:29:35,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:35,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:29:35,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:29:37,246 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 17:29:37,251 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 508 transitions, 8968 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:37,251 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:37,251 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 17:29:37,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:43,328 INFO L130 PetriNetUnfolder]: 10158/23711 cut-off events. [2023-08-29 17:29:43,329 INFO L131 PetriNetUnfolder]: For 198984/201820 co-relation queries the response was YES. [2023-08-29 17:29:43,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123088 conditions, 23711 events. 10158/23711 cut-off events. For 198984/201820 co-relation queries the response was YES. Maximal size of possible extension queue 1423. Compared 255598 event pairs, 918 based on Foata normal form. 1412/24536 useless extension candidates. Maximal degree in co-relation 123044. Up to 5918 conditions per place. [2023-08-29 17:29:43,648 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 720 selfloop transitions, 300 changer transitions 0/1107 dead transitions. [2023-08-29 17:29:43,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 1107 transitions, 22300 flow [2023-08-29 17:29:43,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:29:43,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:29:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8955 transitions. [2023-08-29 17:29:43,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4327968682035668 [2023-08-29 17:29:43,657 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8955 transitions. [2023-08-29 17:29:43,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8955 transitions. [2023-08-29 17:29:43,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:43,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8955 transitions. [2023-08-29 17:29:43,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 995.0) internal successors, (8955), 9 states have internal predecessors, (8955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:43,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:43,681 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:43,681 INFO L175 Difference]: Start difference. First operand has 153 places, 508 transitions, 8968 flow. Second operand 9 states and 8955 transitions. [2023-08-29 17:29:43,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 1107 transitions, 22300 flow [2023-08-29 17:29:45,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 1107 transitions, 22150 flow, removed 73 selfloop flow, removed 2 redundant places. [2023-08-29 17:29:45,663 INFO L231 Difference]: Finished difference. Result has 165 places, 710 transitions, 14589 flow [2023-08-29 17:29:45,664 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=8884, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14589, PETRI_PLACES=165, PETRI_TRANSITIONS=710} [2023-08-29 17:29:45,664 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 24 predicate places. [2023-08-29 17:29:45,664 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 710 transitions, 14589 flow [2023-08-29 17:29:45,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:45,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:45,666 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 17:29:45,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 17:29:45,666 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:45,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:45,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1255201092, now seen corresponding path program 3 times [2023-08-29 17:29:45,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:45,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175224804] [2023-08-29 17:29:45,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:47,499 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 17:29:47,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:47,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175224804] [2023-08-29 17:29:47,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175224804] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:47,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:47,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:29:47,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489115474] [2023-08-29 17:29:47,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:47,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:29:47,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:47,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:29:47,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:29:48,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 983 out of 2299 [2023-08-29 17:29:48,544 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 710 transitions, 14589 flow. Second operand has 9 states, 9 states have (on average 984.7777777777778) internal successors, (8863), 9 states have internal predecessors, (8863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:48,545 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:48,545 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 983 of 2299 [2023-08-29 17:29:48,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:54,327 INFO L130 PetriNetUnfolder]: 9788/22902 cut-off events. [2023-08-29 17:29:54,327 INFO L131 PetriNetUnfolder]: For 225749/228413 co-relation queries the response was YES. [2023-08-29 17:29:54,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126681 conditions, 22902 events. 9788/22902 cut-off events. For 225749/228413 co-relation queries the response was YES. Maximal size of possible extension queue 1353. Compared 245161 event pairs, 931 based on Foata normal form. 1453/23875 useless extension candidates. Maximal degree in co-relation 126631. Up to 7416 conditions per place. [2023-08-29 17:29:54,549 INFO L137 encePairwiseOnDemand]: 2291/2299 looper letters, 908 selfloop transitions, 66 changer transitions 0/1061 dead transitions. [2023-08-29 17:29:54,550 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 1061 transitions, 22620 flow [2023-08-29 17:29:54,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:29:54,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:29:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8958 transitions. [2023-08-29 17:29:54,563 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43294185877917934 [2023-08-29 17:29:54,563 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8958 transitions. [2023-08-29 17:29:54,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8958 transitions. [2023-08-29 17:29:54,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:54,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8958 transitions. [2023-08-29 17:29:54,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 995.3333333333334) internal successors, (8958), 9 states have internal predecessors, (8958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:54,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:54,592 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:54,592 INFO L175 Difference]: Start difference. First operand has 165 places, 710 transitions, 14589 flow. Second operand 9 states and 8958 transitions. [2023-08-29 17:29:54,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 1061 transitions, 22620 flow [2023-08-29 17:29:56,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 1061 transitions, 22537 flow, removed 41 selfloop flow, removed 1 redundant places. [2023-08-29 17:29:56,966 INFO L231 Difference]: Finished difference. Result has 177 places, 732 transitions, 14986 flow [2023-08-29 17:29:56,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=14508, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=644, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=14986, PETRI_PLACES=177, PETRI_TRANSITIONS=732} [2023-08-29 17:29:56,967 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 36 predicate places. [2023-08-29 17:29:56,967 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 732 transitions, 14986 flow [2023-08-29 17:29:56,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 984.7777777777778) internal successors, (8863), 9 states have internal predecessors, (8863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:56,968 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:56,968 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 17:29:56,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 17:29:56,968 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:56,968 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:56,968 INFO L85 PathProgramCache]: Analyzing trace with hash 385309848, now seen corresponding path program 1 times [2023-08-29 17:29:56,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:56,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036485208] [2023-08-29 17:29:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:56,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:58,933 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 17:29:58,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:58,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036485208] [2023-08-29 17:29:58,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036485208] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:58,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:58,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:29:58,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153699510] [2023-08-29 17:29:58,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:58,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:29:58,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:58,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:29:58,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:29:59,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 944 out of 2299 [2023-08-29 17:29:59,617 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 732 transitions, 14986 flow. Second operand has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:59,617 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:59,617 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 944 of 2299 [2023-08-29 17:29:59,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:08,693 INFO L130 PetriNetUnfolder]: 21703/40276 cut-off events. [2023-08-29 17:30:08,693 INFO L131 PetriNetUnfolder]: For 402134/404512 co-relation queries the response was YES. [2023-08-29 17:30:08,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228094 conditions, 40276 events. 21703/40276 cut-off events. For 402134/404512 co-relation queries the response was YES. Maximal size of possible extension queue 1581. Compared 362328 event pairs, 6476 based on Foata normal form. 478/40077 useless extension candidates. Maximal degree in co-relation 228039. Up to 30087 conditions per place. [2023-08-29 17:30:09,086 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 515 selfloop transitions, 411 changer transitions 0/941 dead transitions. [2023-08-29 17:30:09,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 941 transitions, 20023 flow [2023-08-29 17:30:09,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:30:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:30:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7688 transitions. [2023-08-29 17:30:09,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41800782949108306 [2023-08-29 17:30:09,093 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 7688 transitions. [2023-08-29 17:30:09,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 7688 transitions. [2023-08-29 17:30:09,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:09,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 7688 transitions. [2023-08-29 17:30:09,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 961.0) internal successors, (7688), 8 states have internal predecessors, (7688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:09,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:09,111 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2299.0) internal successors, (20691), 9 states have internal predecessors, (20691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:09,111 INFO L175 Difference]: Start difference. First operand has 177 places, 732 transitions, 14986 flow. Second operand 8 states and 7688 transitions. [2023-08-29 17:30:09,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 941 transitions, 20023 flow [2023-08-29 17:30:14,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 941 transitions, 19916 flow, removed 53 selfloop flow, removed 1 redundant places. [2023-08-29 17:30:14,127 INFO L231 Difference]: Finished difference. Result has 187 places, 857 transitions, 18847 flow [2023-08-29 17:30:14,127 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=14925, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18847, PETRI_PLACES=187, PETRI_TRANSITIONS=857} [2023-08-29 17:30:14,127 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 46 predicate places. [2023-08-29 17:30:14,128 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 857 transitions, 18847 flow [2023-08-29 17:30:14,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 946.0) internal successors, (9460), 10 states have internal predecessors, (9460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:14,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:14,129 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 17:30:14,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 17:30:14,129 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:14,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:14,129 INFO L85 PathProgramCache]: Analyzing trace with hash -31237930, now seen corresponding path program 5 times [2023-08-29 17:30:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345792806] [2023-08-29 17:30:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:15,587 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 17:30:15,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:15,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345792806] [2023-08-29 17:30:15,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345792806] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:15,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:15,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:15,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948291756] [2023-08-29 17:30:15,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:15,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:15,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:15,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:15,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:16,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 17:30:16,952 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 857 transitions, 18847 flow. Second operand has 11 states, 11 states have (on average 981.4545454545455) internal successors, (10796), 11 states have internal predecessors, (10796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:16,952 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:16,952 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 17:30:16,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:25,241 INFO L130 PetriNetUnfolder]: 14482/30923 cut-off events. [2023-08-29 17:30:25,242 INFO L131 PetriNetUnfolder]: For 390493/394177 co-relation queries the response was YES. [2023-08-29 17:30:25,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194365 conditions, 30923 events. 14482/30923 cut-off events. For 390493/394177 co-relation queries the response was YES. Maximal size of possible extension queue 1629. Compared 321546 event pairs, 1953 based on Foata normal form. 1861/32170 useless extension candidates. Maximal degree in co-relation 194306. Up to 10474 conditions per place. [2023-08-29 17:30:25,572 INFO L137 encePairwiseOnDemand]: 2285/2299 looper letters, 756 selfloop transitions, 434 changer transitions 0/1298 dead transitions. [2023-08-29 17:30:25,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 1298 transitions, 29868 flow [2023-08-29 17:30:25,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:30:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:30:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9935 transitions. [2023-08-29 17:30:25,582 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43214441061331016 [2023-08-29 17:30:25,582 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9935 transitions. [2023-08-29 17:30:25,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9935 transitions. [2023-08-29 17:30:25,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:25,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9935 transitions. [2023-08-29 17:30:25,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 993.5) internal successors, (9935), 10 states have internal predecessors, (9935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:25,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:25,611 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2299.0) internal successors, (25289), 11 states have internal predecessors, (25289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:25,611 INFO L175 Difference]: Start difference. First operand has 187 places, 857 transitions, 18847 flow. Second operand 10 states and 9935 transitions. [2023-08-29 17:30:25,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 1298 transitions, 29868 flow [2023-08-29 17:30:30,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 1298 transitions, 29273 flow, removed 36 selfloop flow, removed 6 redundant places. [2023-08-29 17:30:30,536 INFO L231 Difference]: Finished difference. Result has 193 places, 973 transitions, 23341 flow [2023-08-29 17:30:30,537 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=18359, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=856, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=23341, PETRI_PLACES=193, PETRI_TRANSITIONS=973} [2023-08-29 17:30:30,537 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 52 predicate places. [2023-08-29 17:30:30,537 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 973 transitions, 23341 flow [2023-08-29 17:30:30,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 981.4545454545455) internal successors, (10796), 11 states have internal predecessors, (10796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:30,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:30,539 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 17:30:30,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 17:30:30,539 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:30,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:30,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1084901268, now seen corresponding path program 4 times [2023-08-29 17:30:30,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:30,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273064483] [2023-08-29 17:30:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:30,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:32,690 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 17:30:32,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:32,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273064483] [2023-08-29 17:30:32,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273064483] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:32,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:32,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:30:32,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041429933] [2023-08-29 17:30:32,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:32,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:30:32,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:32,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:30:32,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:30:33,914 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 17:30:33,918 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 973 transitions, 23341 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:33,918 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:33,918 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 17:30:33,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:42,603 INFO L130 PetriNetUnfolder]: 13807/32507 cut-off events. [2023-08-29 17:30:42,604 INFO L131 PetriNetUnfolder]: For 451670/456363 co-relation queries the response was YES. [2023-08-29 17:30:42,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207734 conditions, 32507 events. 13807/32507 cut-off events. For 451670/456363 co-relation queries the response was YES. Maximal size of possible extension queue 2036. Compared 369402 event pairs, 1311 based on Foata normal form. 2806/34730 useless extension candidates. Maximal degree in co-relation 207675. Up to 12628 conditions per place. [2023-08-29 17:30:42,925 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 623 selfloop transitions, 564 changer transitions 0/1316 dead transitions. [2023-08-29 17:30:42,926 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 1316 transitions, 33491 flow [2023-08-29 17:30:42,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8951 transitions. [2023-08-29 17:30:42,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326035474360833 [2023-08-29 17:30:42,931 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8951 transitions. [2023-08-29 17:30:42,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8951 transitions. [2023-08-29 17:30:42,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:42,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8951 transitions. [2023-08-29 17:30:42,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 994.5555555555555) internal successors, (8951), 9 states have internal predecessors, (8951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:42,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:42,952 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:42,953 INFO L175 Difference]: Start difference. First operand has 193 places, 973 transitions, 23341 flow. Second operand 9 states and 8951 transitions. [2023-08-29 17:30:42,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 1316 transitions, 33491 flow [2023-08-29 17:30:48,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 1316 transitions, 33219 flow, removed 90 selfloop flow, removed 4 redundant places. [2023-08-29 17:30:48,320 INFO L231 Difference]: Finished difference. Result has 202 places, 1114 transitions, 29668 flow [2023-08-29 17:30:48,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=23083, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=973, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=29668, PETRI_PLACES=202, PETRI_TRANSITIONS=1114} [2023-08-29 17:30:48,321 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 61 predicate places. [2023-08-29 17:30:48,321 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 1114 transitions, 29668 flow [2023-08-29 17:30:48,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:48,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:48,323 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 17:30:48,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 17:30:48,323 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:48,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:48,324 INFO L85 PathProgramCache]: Analyzing trace with hash 497556308, now seen corresponding path program 5 times [2023-08-29 17:30:48,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:48,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000308391] [2023-08-29 17:30:48,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:48,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:50,518 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 17:30:50,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:50,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000308391] [2023-08-29 17:30:50,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000308391] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:50,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:50,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:30:50,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521191513] [2023-08-29 17:30:50,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:50,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:30:50,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:50,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:30:50,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:30:51,635 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2299 [2023-08-29 17:30:51,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 1114 transitions, 29668 flow. Second operand has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:51,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:51,640 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2299 [2023-08-29 17:30:51,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:31:01,785 INFO L130 PetriNetUnfolder]: 14474/34370 cut-off events. [2023-08-29 17:31:01,785 INFO L131 PetriNetUnfolder]: For 565384/570615 co-relation queries the response was YES. [2023-08-29 17:31:02,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228929 conditions, 34370 events. 14474/34370 cut-off events. For 565384/570615 co-relation queries the response was YES. Maximal size of possible extension queue 2248. Compared 398265 event pairs, 1193 based on Foata normal form. 3237/36961 useless extension candidates. Maximal degree in co-relation 228866. Up to 10092 conditions per place. [2023-08-29 17:31:02,283 INFO L137 encePairwiseOnDemand]: 2287/2299 looper letters, 923 selfloop transitions, 596 changer transitions 0/1648 dead transitions. [2023-08-29 17:31:02,283 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 1648 transitions, 46173 flow [2023-08-29 17:31:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:31:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:31:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8952 transitions. [2023-08-29 17:31:02,288 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4326518776279542 [2023-08-29 17:31:02,288 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8952 transitions. [2023-08-29 17:31:02,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8952 transitions. [2023-08-29 17:31:02,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:31:02,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8952 transitions. [2023-08-29 17:31:02,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 994.6666666666666) internal successors, (8952), 9 states have internal predecessors, (8952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:02,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:02,302 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:02,303 INFO L175 Difference]: Start difference. First operand has 202 places, 1114 transitions, 29668 flow. Second operand 9 states and 8952 transitions. [2023-08-29 17:31:02,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 1648 transitions, 46173 flow [2023-08-29 17:31:09,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 1648 transitions, 45076 flow, removed 105 selfloop flow, removed 8 redundant places. [2023-08-29 17:31:09,700 INFO L231 Difference]: Finished difference. Result has 205 places, 1280 transitions, 36557 flow [2023-08-29 17:31:09,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=28772, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=446, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=36557, PETRI_PLACES=205, PETRI_TRANSITIONS=1280} [2023-08-29 17:31:09,701 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 64 predicate places. [2023-08-29 17:31:09,702 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 1280 transitions, 36557 flow [2023-08-29 17:31:09,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 981.6) internal successors, (9816), 10 states have internal predecessors, (9816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:09,703 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:31:09,703 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:31:09,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 17:31:09,704 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:31:09,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:31:09,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2048960161, now seen corresponding path program 1 times [2023-08-29 17:31:09,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:31:09,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250224091] [2023-08-29 17:31:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:31:09,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:31:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:31:11,560 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 17:31:11,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:31:11,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250224091] [2023-08-29 17:31:11,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250224091] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:31:11,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:31:11,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:31:11,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472244370] [2023-08-29 17:31:11,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:31:11,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:31:11,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:31:11,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:31:11,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:31:12,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 943 out of 2299 [2023-08-29 17:31:12,524 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 1280 transitions, 36557 flow. Second operand has 11 states, 11 states have (on average 945.0) internal successors, (10395), 11 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:12,524 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:31:12,524 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 943 of 2299 [2023-08-29 17:31:12,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:31:30,720 INFO L130 PetriNetUnfolder]: 28385/54447 cut-off events. [2023-08-29 17:31:30,720 INFO L131 PetriNetUnfolder]: For 716220/717684 co-relation queries the response was YES. [2023-08-29 17:31:31,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 349110 conditions, 54447 events. 28385/54447 cut-off events. For 716220/717684 co-relation queries the response was YES. Maximal size of possible extension queue 2298. Compared 530623 event pairs, 8546 based on Foata normal form. 1049/54931 useless extension candidates. Maximal degree in co-relation 349048. Up to 28452 conditions per place. [2023-08-29 17:31:31,497 INFO L137 encePairwiseOnDemand]: 2289/2299 looper letters, 377 selfloop transitions, 1007 changer transitions 0/1398 dead transitions. [2023-08-29 17:31:31,497 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 1398 transitions, 40627 flow [2023-08-29 17:31:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:31:31,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:31:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8618 transitions. [2023-08-29 17:31:31,503 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41650959354308636 [2023-08-29 17:31:31,503 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8618 transitions. [2023-08-29 17:31:31,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8618 transitions. [2023-08-29 17:31:31,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:31:31,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8618 transitions. [2023-08-29 17:31:31,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 957.5555555555555) internal successors, (8618), 9 states have internal predecessors, (8618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:31,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:31,518 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2299.0) internal successors, (22990), 10 states have internal predecessors, (22990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:31,518 INFO L175 Difference]: Start difference. First operand has 205 places, 1280 transitions, 36557 flow. Second operand 9 states and 8618 transitions. [2023-08-29 17:31:31,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 1398 transitions, 40627 flow [2023-08-29 17:31:42,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 1398 transitions, 40222 flow, removed 96 selfloop flow, removed 4 redundant places. [2023-08-29 17:31:42,087 INFO L231 Difference]: Finished difference. Result has 208 places, 1279 transitions, 38216 flow [2023-08-29 17:31:42,088 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=36202, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=38216, PETRI_PLACES=208, PETRI_TRANSITIONS=1279} [2023-08-29 17:31:42,088 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 67 predicate places. [2023-08-29 17:31:42,088 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 1279 transitions, 38216 flow [2023-08-29 17:31:42,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 945.0) internal successors, (10395), 11 states have internal predecessors, (10395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:42,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:31:42,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:31:42,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 17:31:42,091 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:31:42,091 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:31:42,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1140013306, now seen corresponding path program 1 times [2023-08-29 17:31:42,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:31:42,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548140735] [2023-08-29 17:31:42,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:31:42,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:31:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:31:42,590 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 17:31:42,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:31:42,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548140735] [2023-08-29 17:31:42,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548140735] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:31:42,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:31:42,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:31:42,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875056870] [2023-08-29 17:31:42,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:31:42,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:31:42,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:31:42,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:31:42,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:31:42,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 2299 [2023-08-29 17:31:42,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 1279 transitions, 38216 flow. Second operand has 6 states, 6 states have (on average 989.8333333333334) internal successors, (5939), 6 states have internal predecessors, (5939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:42,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:31:42,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 2299 [2023-08-29 17:31:42,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:31:54,023 INFO L130 PetriNetUnfolder]: 14898/34375 cut-off events. [2023-08-29 17:31:54,023 INFO L131 PetriNetUnfolder]: For 695630/700807 co-relation queries the response was YES. [2023-08-29 17:31:54,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238712 conditions, 34375 events. 14898/34375 cut-off events. For 695630/700807 co-relation queries the response was YES. Maximal size of possible extension queue 2195. Compared 388395 event pairs, 1769 based on Foata normal form. 2430/36192 useless extension candidates. Maximal degree in co-relation 238651. Up to 16016 conditions per place. [2023-08-29 17:31:54,590 INFO L137 encePairwiseOnDemand]: 2294/2299 looper letters, 1092 selfloop transitions, 4 changer transitions 0/1322 dead transitions. [2023-08-29 17:31:54,590 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 1322 transitions, 40866 flow [2023-08-29 17:31:54,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:31:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:31:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5992 transitions. [2023-08-29 17:31:54,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4343917645353052 [2023-08-29 17:31:54,594 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5992 transitions. [2023-08-29 17:31:54,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5992 transitions. [2023-08-29 17:31:54,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:31:54,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5992 transitions. [2023-08-29 17:31:54,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 998.6666666666666) internal successors, (5992), 6 states have internal predecessors, (5992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:54,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:54,603 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:31:54,603 INFO L175 Difference]: Start difference. First operand has 208 places, 1279 transitions, 38216 flow. Second operand 6 states and 5992 transitions. [2023-08-29 17:31:54,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 1322 transitions, 40866 flow [2023-08-29 17:32:01,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 1322 transitions, 39816 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 17:32:01,907 INFO L231 Difference]: Finished difference. Result has 206 places, 1278 transitions, 37172 flow [2023-08-29 17:32:01,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=37164, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=37172, PETRI_PLACES=206, PETRI_TRANSITIONS=1278} [2023-08-29 17:32:01,908 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 65 predicate places. [2023-08-29 17:32:01,908 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 1278 transitions, 37172 flow [2023-08-29 17:32:01,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 989.8333333333334) internal successors, (5939), 6 states have internal predecessors, (5939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:32:01,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:32:01,909 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:32:01,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 17:32:01,909 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:32:01,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:32:01,910 INFO L85 PathProgramCache]: Analyzing trace with hash -889650334, now seen corresponding path program 1 times [2023-08-29 17:32:01,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:32:01,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100216055] [2023-08-29 17:32:01,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:32:01,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:32:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:32:02,443 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 17:32:02,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:32:02,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100216055] [2023-08-29 17:32:02,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100216055] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:32:02,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:32:02,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:32:02,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422765492] [2023-08-29 17:32:02,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:32:02,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:32:02,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:32:02,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:32:02,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:32:02,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 2299 [2023-08-29 17:32:02,797 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 1278 transitions, 37172 flow. Second operand has 6 states, 6 states have (on average 990.8333333333334) internal successors, (5945), 6 states have internal predecessors, (5945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:32:02,797 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:32:02,797 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 2299 [2023-08-29 17:32:02,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:32:13,151 INFO L130 PetriNetUnfolder]: 13978/32241 cut-off events. [2023-08-29 17:32:13,152 INFO L131 PetriNetUnfolder]: For 644464/649650 co-relation queries the response was YES. [2023-08-29 17:32:13,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225463 conditions, 32241 events. 13978/32241 cut-off events. For 644464/649650 co-relation queries the response was YES. Maximal size of possible extension queue 2164. Compared 363740 event pairs, 2686 based on Foata normal form. 2438/34232 useless extension candidates. Maximal degree in co-relation 225402. Up to 18922 conditions per place. [2023-08-29 17:32:13,446 INFO L137 encePairwiseOnDemand]: 2294/2299 looper letters, 0 selfloop transitions, 0 changer transitions 1309/1309 dead transitions. [2023-08-29 17:32:13,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 1309 transitions, 39766 flow [2023-08-29 17:32:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:32:13,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:32:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5980 transitions. [2023-08-29 17:32:13,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4335218210816297 [2023-08-29 17:32:13,450 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5980 transitions. [2023-08-29 17:32:13,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5980 transitions. [2023-08-29 17:32:13,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:32:13,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5980 transitions. [2023-08-29 17:32:13,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 996.6666666666666) internal successors, (5980), 6 states have internal predecessors, (5980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:32:13,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:32:13,462 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2299.0) internal successors, (16093), 7 states have internal predecessors, (16093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:32:13,462 INFO L175 Difference]: Start difference. First operand has 206 places, 1278 transitions, 37172 flow. Second operand 6 states and 5980 transitions. [2023-08-29 17:32:13,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 1309 transitions, 39766 flow [2023-08-29 17:32:20,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 1309 transitions, 39759 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 17:32:20,770 INFO L231 Difference]: Finished difference. Result has 206 places, 0 transitions, 0 flow [2023-08-29 17:32:20,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2299, PETRI_DIFFERENCE_MINUEND_FLOW=37163, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=206, PETRI_TRANSITIONS=0} [2023-08-29 17:32:20,771 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, 65 predicate places. [2023-08-29 17:32:20,771 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 0 transitions, 0 flow [2023-08-29 17:32:20,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 990.8333333333334) internal successors, (5945), 6 states have internal predecessors, (5945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:32:20,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (88 of 89 remaining) [2023-08-29 17:32:20,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (87 of 89 remaining) [2023-08-29 17:32:20,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (86 of 89 remaining) [2023-08-29 17:32:20,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (85 of 89 remaining) [2023-08-29 17:32:20,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (84 of 89 remaining) [2023-08-29 17:32:20,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (83 of 89 remaining) [2023-08-29 17:32:20,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (82 of 89 remaining) [2023-08-29 17:32:20,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (81 of 89 remaining) [2023-08-29 17:32:20,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (80 of 89 remaining) [2023-08-29 17:32:20,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (79 of 89 remaining) [2023-08-29 17:32:20,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (78 of 89 remaining) [2023-08-29 17:32:20,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (77 of 89 remaining) [2023-08-29 17:32:20,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (76 of 89 remaining) [2023-08-29 17:32:20,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (75 of 89 remaining) [2023-08-29 17:32:20,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (74 of 89 remaining) [2023-08-29 17:32:20,778 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (73 of 89 remaining) [2023-08-29 17:32:20,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (72 of 89 remaining) [2023-08-29 17:32:20,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (71 of 89 remaining) [2023-08-29 17:32:20,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (70 of 89 remaining) [2023-08-29 17:32:20,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (69 of 89 remaining) [2023-08-29 17:32:20,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (68 of 89 remaining) [2023-08-29 17:32:20,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (67 of 89 remaining) [2023-08-29 17:32:20,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (66 of 89 remaining) [2023-08-29 17:32:20,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (65 of 89 remaining) [2023-08-29 17:32:20,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (64 of 89 remaining) [2023-08-29 17:32:20,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (63 of 89 remaining) [2023-08-29 17:32:20,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (62 of 89 remaining) [2023-08-29 17:32:20,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (61 of 89 remaining) [2023-08-29 17:32:20,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (60 of 89 remaining) [2023-08-29 17:32:20,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (59 of 89 remaining) [2023-08-29 17:32:20,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (58 of 89 remaining) [2023-08-29 17:32:20,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (57 of 89 remaining) [2023-08-29 17:32:20,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (56 of 89 remaining) [2023-08-29 17:32:20,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (55 of 89 remaining) [2023-08-29 17:32:20,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (54 of 89 remaining) [2023-08-29 17:32:20,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (53 of 89 remaining) [2023-08-29 17:32:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (52 of 89 remaining) [2023-08-29 17:32:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (51 of 89 remaining) [2023-08-29 17:32:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (50 of 89 remaining) [2023-08-29 17:32:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (49 of 89 remaining) [2023-08-29 17:32:20,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (48 of 89 remaining) [2023-08-29 17:32:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (47 of 89 remaining) [2023-08-29 17:32:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (46 of 89 remaining) [2023-08-29 17:32:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (45 of 89 remaining) [2023-08-29 17:32:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (44 of 89 remaining) [2023-08-29 17:32:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (43 of 89 remaining) [2023-08-29 17:32:20,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (42 of 89 remaining) [2023-08-29 17:32:20,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (41 of 89 remaining) [2023-08-29 17:32:20,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (40 of 89 remaining) [2023-08-29 17:32:20,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (39 of 89 remaining) [2023-08-29 17:32:20,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (38 of 89 remaining) [2023-08-29 17:32:20,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (37 of 89 remaining) [2023-08-29 17:32:20,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (36 of 89 remaining) [2023-08-29 17:32:20,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (35 of 89 remaining) [2023-08-29 17:32:20,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (34 of 89 remaining) [2023-08-29 17:32:20,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (33 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (32 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (31 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (30 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (29 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (28 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (27 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (26 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (25 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (24 of 89 remaining) [2023-08-29 17:32:20,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (23 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (22 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (21 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (20 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (19 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (18 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (17 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (16 of 89 remaining) [2023-08-29 17:32:20,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (15 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (14 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (13 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (10 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (9 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (8 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (7 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (6 of 89 remaining) [2023-08-29 17:32:20,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (5 of 89 remaining) [2023-08-29 17:32:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (4 of 89 remaining) [2023-08-29 17:32:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (3 of 89 remaining) [2023-08-29 17:32:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (2 of 89 remaining) [2023-08-29 17:32:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (1 of 89 remaining) [2023-08-29 17:32:20,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (0 of 89 remaining) [2023-08-29 17:32:20,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 17:32:20,790 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:32:20,794 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:32:20,795 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:32:20,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:32:20 BasicIcfg [2023-08-29 17:32:20,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:32:20,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:32:20,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:32:20,798 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:32:20,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:21:00" (3/4) ... [2023-08-29 17:32:20,800 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:32:20,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:32:20,804 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:32:20,820 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 17:32:20,821 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 17:32:20,822 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 17:32:20,823 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 17:32:20,910 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:32:20,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:32:20,911 INFO L158 Benchmark]: Toolchain (without parser) took 686559.11ms. Allocated memory was 67.1MB in the beginning and 10.6GB in the end (delta: 10.5GB). Free memory was 38.9MB in the beginning and 5.5GB in the end (delta: -5.5GB). Peak memory consumption was 5.0GB. Max. memory is 16.1GB. [2023-08-29 17:32:20,912 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:32:20,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4100.56ms. Allocated memory was 67.1MB in the beginning and 142.6MB in the end (delta: 75.5MB). Free memory was 38.8MB in the beginning and 50.1MB in the end (delta: -11.4MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2023-08-29 17:32:20,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 226.39ms. Allocated memory is still 142.6MB. Free memory was 50.1MB in the beginning and 32.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 17:32:20,912 INFO L158 Benchmark]: Boogie Preprocessor took 133.00ms. Allocated memory is still 142.6MB. Free memory was 32.7MB in the beginning and 65.0MB in the end (delta: -32.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-08-29 17:32:20,913 INFO L158 Benchmark]: RCFGBuilder took 1495.84ms. Allocated memory was 142.6MB in the beginning and 278.9MB in the end (delta: 136.3MB). Free memory was 65.0MB in the beginning and 201.3MB in the end (delta: -136.4MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-08-29 17:32:20,913 INFO L158 Benchmark]: TraceAbstraction took 680484.45ms. Allocated memory was 278.9MB in the beginning and 10.6GB in the end (delta: 10.3GB). Free memory was 201.3MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-08-29 17:32:20,913 INFO L158 Benchmark]: Witness Printer took 112.32ms. Allocated memory is still 10.6GB. Free memory was 5.5GB in the beginning and 5.5GB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 17:32:20,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4100.56ms. Allocated memory was 67.1MB in the beginning and 142.6MB in the end (delta: 75.5MB). Free memory was 38.8MB in the beginning and 50.1MB in the end (delta: -11.4MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 226.39ms. Allocated memory is still 142.6MB. Free memory was 50.1MB in the beginning and 32.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.00ms. Allocated memory is still 142.6MB. Free memory was 32.7MB in the beginning and 65.0MB in the end (delta: -32.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1495.84ms. Allocated memory was 142.6MB in the beginning and 278.9MB in the end (delta: 136.3MB). Free memory was 65.0MB in the beginning and 201.3MB in the end (delta: -136.4MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * TraceAbstraction took 680484.45ms. Allocated memory was 278.9MB in the beginning and 10.6GB in the end (delta: 10.3GB). Free memory was 201.3MB in the beginning and 5.5GB in the end (delta: -5.3GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. * Witness Printer took 112.32ms. Allocated memory is still 10.6GB. Free memory was 5.5GB in the beginning and 5.5GB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.0s, 996 PlacesBefore, 141 PlacesAfterwards, 1033 TransitionsBefore, 155 TransitionsAfterwards, 11680 CoEnabledTransitionPairs, 12 FixpointIterations, 1074 TrivialSequentialCompositions, 98 ConcurrentSequentialCompositions, 49 TrivialYvCompositions, 12 ConcurrentYvCompositions, 23 ChoiceCompositions, 1256 TotalNumberOfCompositions, 39342 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11319, independent: 10338, independent conditional: 0, independent unconditional: 10338, dependent: 981, dependent conditional: 0, dependent unconditional: 981, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5782, independent: 5714, independent conditional: 0, independent unconditional: 5714, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11319, independent: 4624, independent conditional: 0, independent unconditional: 4624, dependent: 913, dependent conditional: 0, dependent unconditional: 913, unknown: 5782, unknown conditional: 0, unknown unconditional: 5782] , Statistics on independence cache: Total cache size (in pairs): 241, Positive cache size: 197, Positive conditional cache size: 0, Positive unconditional cache size: 197, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1663]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6883]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6884]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7042]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7043]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7044]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7045]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7046]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7047]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7048]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7049]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7050]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7051]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7052]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7053]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7054]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7055]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7056]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7057]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7058]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7059]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7060]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7061]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7062]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7063]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7064]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7065]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7070]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7071]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6901]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7017]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6834]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1123 locations, 89 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 680.3s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 187.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 465.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12609 SdHoareTripleChecker+Valid, 41.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9412 mSDsluCounter, 6290 SdHoareTripleChecker+Invalid, 37.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6068 mSDsCounter, 3746 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36363 IncrementalHoareTripleChecker+Invalid, 40109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3746 mSolverCounterUnsat, 222 mSDtfsCounter, 36363 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 205 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38216occurred in iteration=20, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 6314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 79 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:32:20,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE