./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_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 cc093ebb342e6e2aeac5659b7fad110e8a742c2f2123ff4689086ab884a6098d --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:30:21,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:30:21,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:30:21,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:30:21,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:30:21,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:30:21,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:30:21,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:30:21,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:30:21,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:30:21,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:30:21,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:30:21,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:30:21,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:30:21,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:30:21,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:30:21,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:30:21,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:30:21,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:30:21,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:30:21,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:30:21,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:30:21,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:30:21,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:30:21,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:30:21,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:30:21,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:30:21,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:30:21,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:30:21,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:30:21,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:30:21,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:30:21,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:30:21,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:30:21,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:30:21,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:30:21,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:30:21,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:30:21,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:30:21,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:30:21,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:30:21,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:30:21,394 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:30:21,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:30:21,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:30:21,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:30:21,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:30:21,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:30:21,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:30:21,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:30:21,397 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:30:21,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:30:21,398 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:30:21,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:30:21,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:30:21,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:30:21,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:30:21,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:30:21,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:30:21,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:30:21,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:30:21,401 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:30:21,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc093ebb342e6e2aeac5659b7fad110e8a742c2f2123ff4689086ab884a6098d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:30:21,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:30:21,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:30:21,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:30:21,675 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:30:21,675 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:30:21,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-29 01:30:22,829 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:30:23,280 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:30:23,281 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-29 01:30:23,327 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c9d1521/4e8db7ad25304e2483dca545a8f380dc/FLAGdc0513e0e [2023-08-29 01:30:23,351 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c9d1521/4e8db7ad25304e2483dca545a8f380dc [2023-08-29 01:30:23,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:30:23,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:30:23,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:30:23,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:30:23,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:30:23,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:30:23" (1/1) ... [2023-08-29 01:30:23,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3c9d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:23, skipping insertion in model container [2023-08-29 01:30:23,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:30:23" (1/1) ... [2023-08-29 01:30:23,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:30:23,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:30:23,818 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-08-29 01:30:26,343 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:30:26,853 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:30:26,854 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:30:26,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:30:26,932 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:30:26,961 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-08-29 01:30:27,290 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:30:27,353 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:30:27,353 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:30:27,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:30:28,014 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:30:28,015 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:30:28,015 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:30:28,015 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:30:28,015 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:30:28,015 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:30:28,016 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:30:28,021 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:30:28,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28 WrapperNode [2023-08-29 01:30:28,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:30:28,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:30:28,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:30:28,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:30:28,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,243 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 1012 [2023-08-29 01:30:28,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:30:28,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:30:28,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:30:28,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:30:28,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,335 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:30:28,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:30:28,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:30:28,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:30:28,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (1/1) ... [2023-08-29 01:30:28,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:30:28,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:30:28,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:30:28,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:30:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:30:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:30:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:30:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:30:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 01:30:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 01:30:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:30:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:30:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:30:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 01:30:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 01:30:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:30:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:30:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:30:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:30:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:30:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:30:28,433 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:30:28,900 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:30:28,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:30:29,901 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:30:29,912 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:30:29,913 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-08-29 01:30:29,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:30:29 BoogieIcfgContainer [2023-08-29 01:30:29,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:30:29,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:30:29,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:30:29,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:30:29,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:30:23" (1/3) ... [2023-08-29 01:30:29,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2f5649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:30:29, skipping insertion in model container [2023-08-29 01:30:29,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:30:28" (2/3) ... [2023-08-29 01:30:29,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2f5649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:30:29, skipping insertion in model container [2023-08-29 01:30:29,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:30:29" (3/3) ... [2023-08-29 01:30:29,923 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-29 01:30:29,930 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:30:29,936 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:30:29,936 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 87 error locations. [2023-08-29 01:30:29,936 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:30:30,091 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:30:30,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1114 places, 1162 transitions, 2340 flow [2023-08-29 01:30:30,488 INFO L130 PetriNetUnfolder]: 55/1160 cut-off events. [2023-08-29 01:30:30,488 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:30:30,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 1160 events. 55/1160 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1750 event pairs, 0 based on Foata normal form. 0/1018 useless extension candidates. Maximal degree in co-relation 940. Up to 9 conditions per place. [2023-08-29 01:30:30,498 INFO L82 GeneralOperation]: Start removeDead. Operand has 1114 places, 1162 transitions, 2340 flow [2023-08-29 01:30:30,508 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1104 places, 1152 transitions, 2313 flow [2023-08-29 01:30:30,511 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:30:30,518 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1104 places, 1152 transitions, 2313 flow [2023-08-29 01:30:30,520 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1104 places, 1152 transitions, 2313 flow [2023-08-29 01:30:30,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1104 places, 1152 transitions, 2313 flow [2023-08-29 01:30:30,750 INFO L130 PetriNetUnfolder]: 55/1152 cut-off events. [2023-08-29 01:30:30,751 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:30:30,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1160 conditions, 1152 events. 55/1152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1657 event pairs, 0 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 940. Up to 9 conditions per place. [2023-08-29 01:30:30,766 INFO L119 LiptonReduction]: Number of co-enabled transitions 28020 [2023-08-29 01:32:50,806 WARN L222 SmtUtils]: Spent 43.34s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:33:04,888 WARN L222 SmtUtils]: Spent 14.07s on a formula simplification that was a NOOP. DAG size: 522 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:33:43,066 WARN L222 SmtUtils]: Spent 38.17s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:33:57,840 WARN L222 SmtUtils]: Spent 14.76s on a formula simplification that was a NOOP. DAG size: 522 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:34:04,177 WARN L222 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 314 DAG size of output: 314 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:34:16,406 WARN L222 SmtUtils]: Spent 9.29s on a formula simplification. DAG size of input: 333 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:35:45,462 WARN L222 SmtUtils]: Spent 1.41m on a formula simplification. DAG size of input: 608 DAG size of output: 606 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:36:23,766 WARN L222 SmtUtils]: Spent 38.30s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:38:46,858 WARN L222 SmtUtils]: Spent 2.38m on a formula simplification. DAG size of input: 611 DAG size of output: 609 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:39:16,214 WARN L222 SmtUtils]: Spent 29.35s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:39:16,244 INFO L134 LiptonReduction]: Checked pairs total: 114829 [2023-08-29 01:39:16,244 INFO L136 LiptonReduction]: Total number of compositions: 1354 [2023-08-29 01:39:16,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:39:16,261 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;@69eb44ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:39:16,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2023-08-29 01:39:16,262 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:39:16,263 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:39:16,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:16,263 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:39:16,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:16,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:16,267 INFO L85 PathProgramCache]: Analyzing trace with hash 4150, now seen corresponding path program 1 times [2023-08-29 01:39:16,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:16,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634240338] [2023-08-29 01:39:16,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:16,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:16,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:16,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634240338] [2023-08-29 01:39:16,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634240338] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:16,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:16,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:39:16,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551464122] [2023-08-29 01:39:16,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:16,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:39:16,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:16,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:39:16,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:39:16,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1124 out of 2516 [2023-08-29 01:39:16,454 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 192 transitions, 393 flow. Second operand has 2 states, 2 states have (on average 1124.5) internal successors, (2249), 2 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:16,454 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:16,454 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1124 of 2516 [2023-08-29 01:39:16,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:16,835 INFO L130 PetriNetUnfolder]: 383/1136 cut-off events. [2023-08-29 01:39:16,838 INFO L131 PetriNetUnfolder]: For 68/118 co-relation queries the response was YES. [2023-08-29 01:39:16,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1884 conditions, 1136 events. 383/1136 cut-off events. For 68/118 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6418 event pairs, 372 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 1491. Up to 708 conditions per place. [2023-08-29 01:39:16,849 INFO L137 encePairwiseOnDemand]: 2436/2516 looper letters, 59 selfloop transitions, 0 changer transitions 0/112 dead transitions. [2023-08-29 01:39:16,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 112 transitions, 351 flow [2023-08-29 01:39:16,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:39:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:39:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2387 transitions. [2023-08-29 01:39:16,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47436406995230523 [2023-08-29 01:39:16,873 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2387 transitions. [2023-08-29 01:39:16,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2387 transitions. [2023-08-29 01:39:16,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:16,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2387 transitions. [2023-08-29 01:39:16,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1193.5) internal successors, (2387), 2 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:16,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2516.0) internal successors, (7548), 3 states have internal predecessors, (7548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:16,910 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2516.0) internal successors, (7548), 3 states have internal predecessors, (7548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:16,912 INFO L175 Difference]: Start difference. First operand has 175 places, 192 transitions, 393 flow. Second operand 2 states and 2387 transitions. [2023-08-29 01:39:16,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 112 transitions, 351 flow [2023-08-29 01:39:16,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 112 transitions, 346 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:39:16,919 INFO L231 Difference]: Finished difference. Result has 106 places, 112 transitions, 228 flow [2023-08-29 01:39:16,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=228, PETRI_PLACES=106, PETRI_TRANSITIONS=112} [2023-08-29 01:39:16,925 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -69 predicate places. [2023-08-29 01:39:16,925 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 112 transitions, 228 flow [2023-08-29 01:39:16,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1124.5) internal successors, (2249), 2 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:16,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:16,927 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:39:16,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:39:16,928 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:16,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:16,936 INFO L85 PathProgramCache]: Analyzing trace with hash 4181848, now seen corresponding path program 1 times [2023-08-29 01:39:16,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:16,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45227491] [2023-08-29 01:39:16,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:16,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:17,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:17,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45227491] [2023-08-29 01:39:17,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45227491] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:17,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:17,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:39:17,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515800155] [2023-08-29 01:39:17,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:17,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:39:17,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:17,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:39:17,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:39:17,378 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1105 out of 2516 [2023-08-29 01:39:17,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 112 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 1106.0) internal successors, (3318), 3 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:17,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:17,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1105 of 2516 [2023-08-29 01:39:17,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:17,992 INFO L130 PetriNetUnfolder]: 383/1134 cut-off events. [2023-08-29 01:39:17,993 INFO L131 PetriNetUnfolder]: For 20/70 co-relation queries the response was YES. [2023-08-29 01:39:17,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1855 conditions, 1134 events. 383/1134 cut-off events. For 20/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6421 event pairs, 372 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 1852. Up to 705 conditions per place. [2023-08-29 01:39:17,999 INFO L137 encePairwiseOnDemand]: 2511/2516 looper letters, 56 selfloop transitions, 3 changer transitions 0/110 dead transitions. [2023-08-29 01:39:17,999 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 110 transitions, 342 flow [2023-08-29 01:39:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:39:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:39:18,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3376 transitions. [2023-08-29 01:39:18,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4472708002119767 [2023-08-29 01:39:18,007 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3376 transitions. [2023-08-29 01:39:18,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3376 transitions. [2023-08-29 01:39:18,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:18,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3376 transitions. [2023-08-29 01:39:18,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1125.3333333333333) internal successors, (3376), 3 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,033 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,033 INFO L175 Difference]: Start difference. First operand has 106 places, 112 transitions, 228 flow. Second operand 3 states and 3376 transitions. [2023-08-29 01:39:18,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 110 transitions, 342 flow [2023-08-29 01:39:18,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 110 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:39:18,036 INFO L231 Difference]: Finished difference. Result has 106 places, 110 transitions, 230 flow [2023-08-29 01:39:18,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=106, PETRI_TRANSITIONS=110} [2023-08-29 01:39:18,037 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -69 predicate places. [2023-08-29 01:39:18,037 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 110 transitions, 230 flow [2023-08-29 01:39:18,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1106.0) internal successors, (3318), 3 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,039 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:18,040 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:39:18,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:39:18,040 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:18,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:18,041 INFO L85 PathProgramCache]: Analyzing trace with hash -273928749, now seen corresponding path program 1 times [2023-08-29 01:39:18,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:18,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421094721] [2023-08-29 01:39:18,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:18,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:18,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:18,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421094721] [2023-08-29 01:39:18,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421094721] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:18,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:18,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:39:18,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166403250] [2023-08-29 01:39:18,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:18,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:39:18,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:18,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:39:18,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:39:18,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1120 out of 2516 [2023-08-29 01:39:18,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 110 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 1121.3333333333333) internal successors, (3364), 3 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:18,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1120 of 2516 [2023-08-29 01:39:18,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:18,610 INFO L130 PetriNetUnfolder]: 381/1131 cut-off events. [2023-08-29 01:39:18,610 INFO L131 PetriNetUnfolder]: For 20/70 co-relation queries the response was YES. [2023-08-29 01:39:18,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1852 conditions, 1131 events. 381/1131 cut-off events. For 20/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6390 event pairs, 372 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 1848. Up to 704 conditions per place. [2023-08-29 01:39:18,617 INFO L137 encePairwiseOnDemand]: 2513/2516 looper letters, 55 selfloop transitions, 1 changer transitions 0/107 dead transitions. [2023-08-29 01:39:18,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 107 transitions, 334 flow [2023-08-29 01:39:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:39:18,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:39:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3418 transitions. [2023-08-29 01:39:18,626 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4528351881293058 [2023-08-29 01:39:18,626 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3418 transitions. [2023-08-29 01:39:18,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3418 transitions. [2023-08-29 01:39:18,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:18,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3418 transitions. [2023-08-29 01:39:18,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1139.3333333333333) internal successors, (3418), 3 states have internal predecessors, (3418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,648 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,648 INFO L175 Difference]: Start difference. First operand has 106 places, 110 transitions, 230 flow. Second operand 3 states and 3418 transitions. [2023-08-29 01:39:18,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 107 transitions, 334 flow [2023-08-29 01:39:18,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 107 transitions, 332 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:39:18,652 INFO L231 Difference]: Finished difference. Result has 106 places, 107 transitions, 222 flow [2023-08-29 01:39:18,652 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=106, PETRI_TRANSITIONS=107} [2023-08-29 01:39:18,653 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -69 predicate places. [2023-08-29 01:39:18,653 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 107 transitions, 222 flow [2023-08-29 01:39:18,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1121.3333333333333) internal successors, (3364), 3 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,654 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:18,655 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:39:18,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:39:18,655 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:18,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:18,655 INFO L85 PathProgramCache]: Analyzing trace with hash 102304871, now seen corresponding path program 1 times [2023-08-29 01:39:18,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:18,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90193263] [2023-08-29 01:39:18,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:18,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:18,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:18,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90193263] [2023-08-29 01:39:18,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90193263] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:18,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:18,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:39:18,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855437087] [2023-08-29 01:39:18,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:18,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:39:18,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:18,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:39:18,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:39:18,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1114 out of 2516 [2023-08-29 01:39:18,822 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 107 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 1116.0) internal successors, (3348), 3 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:18,822 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:18,822 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1114 of 2516 [2023-08-29 01:39:18,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:19,587 INFO L130 PetriNetUnfolder]: 381/1122 cut-off events. [2023-08-29 01:39:19,587 INFO L131 PetriNetUnfolder]: For 20/70 co-relation queries the response was YES. [2023-08-29 01:39:19,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 1122 events. 381/1122 cut-off events. For 20/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6314 event pairs, 372 based on Foata normal form. 0/1052 useless extension candidates. Maximal degree in co-relation 1840. Up to 704 conditions per place. [2023-08-29 01:39:19,593 INFO L137 encePairwiseOnDemand]: 2513/2516 looper letters, 55 selfloop transitions, 1 changer transitions 0/105 dead transitions. [2023-08-29 01:39:19,594 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 105 transitions, 330 flow [2023-08-29 01:39:19,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:39:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:39:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3400 transitions. [2023-08-29 01:39:19,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45045045045045046 [2023-08-29 01:39:19,602 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3400 transitions. [2023-08-29 01:39:19,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3400 transitions. [2023-08-29 01:39:19,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:19,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3400 transitions. [2023-08-29 01:39:19,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1133.3333333333333) internal successors, (3400), 3 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:19,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:19,626 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:19,626 INFO L175 Difference]: Start difference. First operand has 106 places, 107 transitions, 222 flow. Second operand 3 states and 3400 transitions. [2023-08-29 01:39:19,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 105 transitions, 330 flow [2023-08-29 01:39:19,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 105 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:39:19,629 INFO L231 Difference]: Finished difference. Result has 105 places, 105 transitions, 219 flow [2023-08-29 01:39:19,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=105, PETRI_TRANSITIONS=105} [2023-08-29 01:39:19,632 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -70 predicate places. [2023-08-29 01:39:19,632 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 105 transitions, 219 flow [2023-08-29 01:39:19,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1116.0) internal successors, (3348), 3 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:19,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:19,633 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:19,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:39:19,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:19,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:19,634 INFO L85 PathProgramCache]: Analyzing trace with hash -468166300, now seen corresponding path program 1 times [2023-08-29 01:39:19,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:19,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279979843] [2023-08-29 01:39:19,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:19,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:19,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:19,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279979843] [2023-08-29 01:39:19,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279979843] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:19,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:19,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:39:19,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32513400] [2023-08-29 01:39:19,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:19,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:39:19,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:19,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:39:19,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:39:19,841 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1099 out of 2516 [2023-08-29 01:39:19,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 105 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 1101.6666666666667) internal successors, (3305), 3 states have internal predecessors, (3305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:19,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:19,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1099 of 2516 [2023-08-29 01:39:19,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:20,381 INFO L130 PetriNetUnfolder]: 642/1704 cut-off events. [2023-08-29 01:39:20,381 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 01:39:20,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2886 conditions, 1704 events. 642/1704 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9817 event pairs, 256 based on Foata normal form. 0/1669 useless extension candidates. Maximal degree in co-relation 2882. Up to 1044 conditions per place. [2023-08-29 01:39:20,392 INFO L137 encePairwiseOnDemand]: 2508/2516 looper letters, 73 selfloop transitions, 3 changer transitions 0/116 dead transitions. [2023-08-29 01:39:20,392 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 116 transitions, 396 flow [2023-08-29 01:39:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:39:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:39:20,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3378 transitions. [2023-08-29 01:39:20,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44753577106518283 [2023-08-29 01:39:20,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3378 transitions. [2023-08-29 01:39:20,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3378 transitions. [2023-08-29 01:39:20,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:20,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3378 transitions. [2023-08-29 01:39:20,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1126.0) internal successors, (3378), 3 states have internal predecessors, (3378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:20,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:20,467 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:20,467 INFO L175 Difference]: Start difference. First operand has 105 places, 105 transitions, 219 flow. Second operand 3 states and 3378 transitions. [2023-08-29 01:39:20,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 116 transitions, 396 flow [2023-08-29 01:39:20,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 116 transitions, 395 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:39:20,471 INFO L231 Difference]: Finished difference. Result has 102 places, 102 transitions, 225 flow [2023-08-29 01:39:20,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=102, PETRI_TRANSITIONS=102} [2023-08-29 01:39:20,473 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -73 predicate places. [2023-08-29 01:39:20,473 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 102 transitions, 225 flow [2023-08-29 01:39:20,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1101.6666666666667) internal successors, (3305), 3 states have internal predecessors, (3305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:20,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:20,474 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:20,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:39:20,474 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:20,475 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:20,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1627943513, now seen corresponding path program 1 times [2023-08-29 01:39:20,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:20,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900174722] [2023-08-29 01:39:20,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:20,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:20,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900174722] [2023-08-29 01:39:20,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900174722] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:20,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:20,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:39:20,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079766614] [2023-08-29 01:39:20,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:20,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:39:20,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:20,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:39:20,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:39:21,041 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1102 out of 2516 [2023-08-29 01:39:21,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 102 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 1105.3333333333333) internal successors, (3316), 3 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:21,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:21,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1102 of 2516 [2023-08-29 01:39:21,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:21,547 INFO L130 PetriNetUnfolder]: 456/1309 cut-off events. [2023-08-29 01:39:21,547 INFO L131 PetriNetUnfolder]: For 25/53 co-relation queries the response was YES. [2023-08-29 01:39:21,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 1309 events. 456/1309 cut-off events. For 25/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7478 event pairs, 155 based on Foata normal form. 0/1262 useless extension candidates. Maximal degree in co-relation 2229. Up to 586 conditions per place. [2023-08-29 01:39:21,554 INFO L137 encePairwiseOnDemand]: 2512/2516 looper letters, 62 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2023-08-29 01:39:21,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 107 transitions, 364 flow [2023-08-29 01:39:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:39:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:39:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3371 transitions. [2023-08-29 01:39:21,563 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44660837307896134 [2023-08-29 01:39:21,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3371 transitions. [2023-08-29 01:39:21,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3371 transitions. [2023-08-29 01:39:21,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:21,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3371 transitions. [2023-08-29 01:39:21,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1123.6666666666667) internal successors, (3371), 3 states have internal predecessors, (3371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:21,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:21,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:21,581 INFO L175 Difference]: Start difference. First operand has 102 places, 102 transitions, 225 flow. Second operand 3 states and 3371 transitions. [2023-08-29 01:39:21,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 107 transitions, 364 flow [2023-08-29 01:39:21,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 107 transitions, 364 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:39:21,583 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 225 flow [2023-08-29 01:39:21,584 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2023-08-29 01:39:21,584 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -73 predicate places. [2023-08-29 01:39:21,584 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 225 flow [2023-08-29 01:39:21,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1105.3333333333333) internal successors, (3316), 3 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:21,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:21,585 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:21,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:39:21,586 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:21,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:21,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1363937630, now seen corresponding path program 1 times [2023-08-29 01:39:21,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:21,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105123149] [2023-08-29 01:39:21,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:21,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:22,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:22,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105123149] [2023-08-29 01:39:22,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105123149] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:22,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:22,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:39:22,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936508592] [2023-08-29 01:39:22,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:22,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:39:22,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:22,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:39:22,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:39:23,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1103 out of 2516 [2023-08-29 01:39:23,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 1105.0) internal successors, (6630), 6 states have internal predecessors, (6630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:23,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:23,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1103 of 2516 [2023-08-29 01:39:23,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:24,178 INFO L130 PetriNetUnfolder]: 2007/3873 cut-off events. [2023-08-29 01:39:24,178 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2023-08-29 01:39:24,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7483 conditions, 3873 events. 2007/3873 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 24401 event pairs, 504 based on Foata normal form. 0/3787 useless extension candidates. Maximal degree in co-relation 7478. Up to 1111 conditions per place. [2023-08-29 01:39:24,196 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 176 selfloop transitions, 9 changer transitions 0/222 dead transitions. [2023-08-29 01:39:24,197 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 222 transitions, 876 flow [2023-08-29 01:39:24,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:39:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:39:24,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6799 transitions. [2023-08-29 01:39:24,211 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45038420773714893 [2023-08-29 01:39:24,211 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6799 transitions. [2023-08-29 01:39:24,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6799 transitions. [2023-08-29 01:39:24,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:24,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6799 transitions. [2023-08-29 01:39:24,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1133.1666666666667) internal successors, (6799), 6 states have internal predecessors, (6799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:24,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:24,243 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:24,243 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 225 flow. Second operand 6 states and 6799 transitions. [2023-08-29 01:39:24,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 222 transitions, 876 flow [2023-08-29 01:39:24,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 222 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:39:24,248 INFO L231 Difference]: Finished difference. Result has 110 places, 108 transitions, 285 flow [2023-08-29 01:39:24,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=110, PETRI_TRANSITIONS=108} [2023-08-29 01:39:24,249 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -65 predicate places. [2023-08-29 01:39:24,249 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 108 transitions, 285 flow [2023-08-29 01:39:24,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1105.0) internal successors, (6630), 6 states have internal predecessors, (6630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:24,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:24,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:24,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:39:24,251 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:24,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:24,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1529110616, now seen corresponding path program 1 times [2023-08-29 01:39:24,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:24,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362023619] [2023-08-29 01:39:24,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:24,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:25,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:25,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362023619] [2023-08-29 01:39:25,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362023619] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:25,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:25,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:39:25,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164343526] [2023-08-29 01:39:25,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:25,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:39:25,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:25,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:39:25,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:39:25,800 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1102 out of 2516 [2023-08-29 01:39:25,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 108 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 1103.8333333333333) internal successors, (6623), 6 states have internal predecessors, (6623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:25,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:25,804 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1102 of 2516 [2023-08-29 01:39:25,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:26,748 INFO L130 PetriNetUnfolder]: 1121/2758 cut-off events. [2023-08-29 01:39:26,748 INFO L131 PetriNetUnfolder]: For 172/202 co-relation queries the response was YES. [2023-08-29 01:39:26,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5284 conditions, 2758 events. 1121/2758 cut-off events. For 172/202 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 17613 event pairs, 335 based on Foata normal form. 0/2671 useless extension candidates. Maximal degree in co-relation 5275. Up to 1018 conditions per place. [2023-08-29 01:39:26,769 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 172 selfloop transitions, 25 changer transitions 0/239 dead transitions. [2023-08-29 01:39:26,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 239 transitions, 1030 flow [2023-08-29 01:39:26,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:39:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:39:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6789 transitions. [2023-08-29 01:39:26,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44972178060413354 [2023-08-29 01:39:26,788 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6789 transitions. [2023-08-29 01:39:26,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6789 transitions. [2023-08-29 01:39:26,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:26,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6789 transitions. [2023-08-29 01:39:26,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1131.5) internal successors, (6789), 6 states have internal predecessors, (6789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:26,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:26,819 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:26,819 INFO L175 Difference]: Start difference. First operand has 110 places, 108 transitions, 285 flow. Second operand 6 states and 6789 transitions. [2023-08-29 01:39:26,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 239 transitions, 1030 flow [2023-08-29 01:39:26,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 239 transitions, 1030 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:39:26,828 INFO L231 Difference]: Finished difference. Result has 120 places, 132 transitions, 525 flow [2023-08-29 01:39:26,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=525, PETRI_PLACES=120, PETRI_TRANSITIONS=132} [2023-08-29 01:39:26,830 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -55 predicate places. [2023-08-29 01:39:26,830 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 132 transitions, 525 flow [2023-08-29 01:39:26,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1103.8333333333333) internal successors, (6623), 6 states have internal predecessors, (6623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:26,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:26,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:26,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:39:26,834 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:26,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:26,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1013883145, now seen corresponding path program 1 times [2023-08-29 01:39:26,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:26,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61454469] [2023-08-29 01:39:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:27,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:27,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61454469] [2023-08-29 01:39:27,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61454469] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:27,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:27,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:39:27,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846992418] [2023-08-29 01:39:27,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:27,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:39:27,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:27,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:39:27,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:39:28,334 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 2516 [2023-08-29 01:39:28,336 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 132 transitions, 525 flow. Second operand has 6 states, 6 states have (on average 1087.1666666666667) internal successors, (6523), 6 states have internal predecessors, (6523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:28,336 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:28,336 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 2516 [2023-08-29 01:39:28,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:29,037 INFO L130 PetriNetUnfolder]: 905/2235 cut-off events. [2023-08-29 01:39:29,038 INFO L131 PetriNetUnfolder]: For 639/790 co-relation queries the response was YES. [2023-08-29 01:39:29,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4774 conditions, 2235 events. 905/2235 cut-off events. For 639/790 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 14109 event pairs, 382 based on Foata normal form. 57/2220 useless extension candidates. Maximal degree in co-relation 4760. Up to 979 conditions per place. [2023-08-29 01:39:29,057 INFO L137 encePairwiseOnDemand]: 2507/2516 looper letters, 95 selfloop transitions, 29 changer transitions 0/156 dead transitions. [2023-08-29 01:39:29,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 156 transitions, 833 flow [2023-08-29 01:39:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:39:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:39:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6606 transitions. [2023-08-29 01:39:29,068 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4375993640699523 [2023-08-29 01:39:29,069 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6606 transitions. [2023-08-29 01:39:29,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6606 transitions. [2023-08-29 01:39:29,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:29,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6606 transitions. [2023-08-29 01:39:29,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1101.0) internal successors, (6606), 6 states have internal predecessors, (6606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:29,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:29,090 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:29,090 INFO L175 Difference]: Start difference. First operand has 120 places, 132 transitions, 525 flow. Second operand 6 states and 6606 transitions. [2023-08-29 01:39:29,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 156 transitions, 833 flow [2023-08-29 01:39:29,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 156 transitions, 833 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:39:29,097 INFO L231 Difference]: Finished difference. Result has 121 places, 128 transitions, 575 flow [2023-08-29 01:39:29,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=575, PETRI_PLACES=121, PETRI_TRANSITIONS=128} [2023-08-29 01:39:29,098 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -54 predicate places. [2023-08-29 01:39:29,098 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 128 transitions, 575 flow [2023-08-29 01:39:29,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1087.1666666666667) internal successors, (6523), 6 states have internal predecessors, (6523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:29,099 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:29,099 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] [2023-08-29 01:39:29,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:39:29,100 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:29,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:29,100 INFO L85 PathProgramCache]: Analyzing trace with hash -625660519, now seen corresponding path program 1 times [2023-08-29 01:39:29,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:29,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417087437] [2023-08-29 01:39:29,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:29,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:29,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:29,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417087437] [2023-08-29 01:39:29,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417087437] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:29,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:29,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:39:29,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676492324] [2023-08-29 01:39:29,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:29,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:39:29,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:29,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:39:29,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:39:30,617 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1103 out of 2516 [2023-08-29 01:39:30,619 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 128 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 1106.0) internal successors, (6636), 6 states have internal predecessors, (6636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:30,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:30,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1103 of 2516 [2023-08-29 01:39:30,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:31,457 INFO L130 PetriNetUnfolder]: 860/2309 cut-off events. [2023-08-29 01:39:31,457 INFO L131 PetriNetUnfolder]: For 892/1015 co-relation queries the response was YES. [2023-08-29 01:39:31,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4931 conditions, 2309 events. 860/2309 cut-off events. For 892/1015 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 15228 event pairs, 577 based on Foata normal form. 29/2273 useless extension candidates. Maximal degree in co-relation 4916. Up to 1378 conditions per place. [2023-08-29 01:39:31,469 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 175 selfloop transitions, 9 changer transitions 4/228 dead transitions. [2023-08-29 01:39:31,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 228 transitions, 1199 flow [2023-08-29 01:39:31,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:39:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:39:31,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6781 transitions. [2023-08-29 01:39:31,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44919183889772124 [2023-08-29 01:39:31,480 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6781 transitions. [2023-08-29 01:39:31,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6781 transitions. [2023-08-29 01:39:31,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:31,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6781 transitions. [2023-08-29 01:39:31,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1130.1666666666667) internal successors, (6781), 6 states have internal predecessors, (6781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:31,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:31,499 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:31,499 INFO L175 Difference]: Start difference. First operand has 121 places, 128 transitions, 575 flow. Second operand 6 states and 6781 transitions. [2023-08-29 01:39:31,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 228 transitions, 1199 flow [2023-08-29 01:39:31,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 228 transitions, 1133 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:39:31,506 INFO L231 Difference]: Finished difference. Result has 126 places, 136 transitions, 613 flow [2023-08-29 01:39:31,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=613, PETRI_PLACES=126, PETRI_TRANSITIONS=136} [2023-08-29 01:39:31,507 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -49 predicate places. [2023-08-29 01:39:31,507 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 136 transitions, 613 flow [2023-08-29 01:39:31,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1106.0) internal successors, (6636), 6 states have internal predecessors, (6636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:31,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:31,508 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:31,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:39:31,509 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:31,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:31,509 INFO L85 PathProgramCache]: Analyzing trace with hash -2006173085, now seen corresponding path program 1 times [2023-08-29 01:39:31,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:31,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736594676] [2023-08-29 01:39:31,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:31,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:31,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:31,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736594676] [2023-08-29 01:39:31,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736594676] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:31,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:31,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:39:31,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277587462] [2023-08-29 01:39:31,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:31,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:39:31,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:31,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:39:31,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:39:31,990 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1053 out of 2516 [2023-08-29 01:39:31,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 136 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:31,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:31,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1053 of 2516 [2023-08-29 01:39:31,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:33,314 INFO L130 PetriNetUnfolder]: 5199/9168 cut-off events. [2023-08-29 01:39:33,315 INFO L131 PetriNetUnfolder]: For 9305/9338 co-relation queries the response was YES. [2023-08-29 01:39:33,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25428 conditions, 9168 events. 5199/9168 cut-off events. For 9305/9338 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 52739 event pairs, 4432 based on Foata normal form. 0/8968 useless extension candidates. Maximal degree in co-relation 25409. Up to 8543 conditions per place. [2023-08-29 01:39:33,369 INFO L137 encePairwiseOnDemand]: 2501/2516 looper letters, 100 selfloop transitions, 42 changer transitions 0/156 dead transitions. [2023-08-29 01:39:33,369 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 156 transitions, 972 flow [2023-08-29 01:39:33,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:39:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:39:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3263 transitions. [2023-08-29 01:39:33,375 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43229994700582935 [2023-08-29 01:39:33,375 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3263 transitions. [2023-08-29 01:39:33,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3263 transitions. [2023-08-29 01:39:33,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:33,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3263 transitions. [2023-08-29 01:39:33,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1087.6666666666667) internal successors, (3263), 3 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:33,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:33,386 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:33,386 INFO L175 Difference]: Start difference. First operand has 126 places, 136 transitions, 613 flow. Second operand 3 states and 3263 transitions. [2023-08-29 01:39:33,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 156 transitions, 972 flow [2023-08-29 01:39:33,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 156 transitions, 972 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:39:33,426 INFO L231 Difference]: Finished difference. Result has 129 places, 149 transitions, 823 flow [2023-08-29 01:39:33,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=129, PETRI_TRANSITIONS=149} [2023-08-29 01:39:33,427 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -46 predicate places. [2023-08-29 01:39:33,427 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 149 transitions, 823 flow [2023-08-29 01:39:33,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:33,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:33,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:33,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:39:33,429 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:33,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:33,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1675277191, now seen corresponding path program 1 times [2023-08-29 01:39:33,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:33,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609101744] [2023-08-29 01:39:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:33,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:38,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:38,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609101744] [2023-08-29 01:39:38,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609101744] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:38,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:38,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:39:38,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213895297] [2023-08-29 01:39:38,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:38,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 01:39:38,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:38,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 01:39:38,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 01:39:39,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1040 out of 2516 [2023-08-29 01:39:39,673 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 149 transitions, 823 flow. Second operand has 7 states, 7 states have (on average 1046.2857142857142) internal successors, (7324), 7 states have internal predecessors, (7324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:39,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:39,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1040 of 2516 [2023-08-29 01:39:39,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:41,229 INFO L130 PetriNetUnfolder]: 5184/9144 cut-off events. [2023-08-29 01:39:41,230 INFO L131 PetriNetUnfolder]: For 12528/12571 co-relation queries the response was YES. [2023-08-29 01:39:41,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27278 conditions, 9144 events. 5184/9144 cut-off events. For 12528/12571 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 52499 event pairs, 4379 based on Foata normal form. 0/8996 useless extension candidates. Maximal degree in co-relation 27257. Up to 8343 conditions per place. [2023-08-29 01:39:41,357 INFO L137 encePairwiseOnDemand]: 2502/2516 looper letters, 106 selfloop transitions, 47 changer transitions 0/167 dead transitions. [2023-08-29 01:39:41,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 167 transitions, 1216 flow [2023-08-29 01:39:41,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:39:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:39:41,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5304 transitions. [2023-08-29 01:39:41,367 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42162162162162165 [2023-08-29 01:39:41,367 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5304 transitions. [2023-08-29 01:39:41,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5304 transitions. [2023-08-29 01:39:41,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:41,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5304 transitions. [2023-08-29 01:39:41,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1060.8) internal successors, (5304), 5 states have internal predecessors, (5304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:41,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:41,382 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:41,382 INFO L175 Difference]: Start difference. First operand has 129 places, 149 transitions, 823 flow. Second operand 5 states and 5304 transitions. [2023-08-29 01:39:41,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 167 transitions, 1216 flow [2023-08-29 01:39:41,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 167 transitions, 1156 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-08-29 01:39:41,445 INFO L231 Difference]: Finished difference. Result has 133 places, 155 transitions, 953 flow [2023-08-29 01:39:41,446 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=953, PETRI_PLACES=133, PETRI_TRANSITIONS=155} [2023-08-29 01:39:41,446 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -42 predicate places. [2023-08-29 01:39:41,446 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 155 transitions, 953 flow [2023-08-29 01:39:41,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1046.2857142857142) internal successors, (7324), 7 states have internal predecessors, (7324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:41,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:41,448 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:41,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:39:41,448 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:41,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash 508322510, now seen corresponding path program 1 times [2023-08-29 01:39:41,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:41,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335861038] [2023-08-29 01:39:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:41,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:41,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:41,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335861038] [2023-08-29 01:39:41,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335861038] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:41,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:41,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:39:41,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723773692] [2023-08-29 01:39:41,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:41,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:39:41,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:41,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:39:41,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:39:41,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1105 out of 2516 [2023-08-29 01:39:41,935 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 155 transitions, 953 flow. Second operand has 3 states, 3 states have (on average 1115.0) internal successors, (3345), 3 states have internal predecessors, (3345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:41,935 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:41,935 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1105 of 2516 [2023-08-29 01:39:41,935 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:39:42,424 INFO L130 PetriNetUnfolder]: 923/2377 cut-off events. [2023-08-29 01:39:42,424 INFO L131 PetriNetUnfolder]: For 3044/3501 co-relation queries the response was YES. [2023-08-29 01:39:42,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6565 conditions, 2377 events. 923/2377 cut-off events. For 3044/3501 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 15320 event pairs, 453 based on Foata normal form. 67/2392 useless extension candidates. Maximal degree in co-relation 6543. Up to 1181 conditions per place. [2023-08-29 01:39:42,434 INFO L137 encePairwiseOnDemand]: 2514/2516 looper letters, 93 selfloop transitions, 1 changer transitions 2/162 dead transitions. [2023-08-29 01:39:42,434 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 162 transitions, 1166 flow [2023-08-29 01:39:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:39:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:39:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3379 transitions. [2023-08-29 01:39:42,440 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4476682564917859 [2023-08-29 01:39:42,440 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3379 transitions. [2023-08-29 01:39:42,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3379 transitions. [2023-08-29 01:39:42,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:39:42,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3379 transitions. [2023-08-29 01:39:42,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1126.3333333333333) internal successors, (3379), 3 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:42,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:42,450 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:42,451 INFO L175 Difference]: Start difference. First operand has 133 places, 155 transitions, 953 flow. Second operand 3 states and 3379 transitions. [2023-08-29 01:39:42,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 162 transitions, 1166 flow [2023-08-29 01:39:42,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 162 transitions, 1110 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-08-29 01:39:42,465 INFO L231 Difference]: Finished difference. Result has 131 places, 154 transitions, 897 flow [2023-08-29 01:39:42,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=131, PETRI_TRANSITIONS=154} [2023-08-29 01:39:42,465 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -44 predicate places. [2023-08-29 01:39:42,466 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 154 transitions, 897 flow [2023-08-29 01:39:42,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1115.0) internal successors, (3345), 3 states have internal predecessors, (3345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:42,466 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:39:42,467 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:39:42,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:39:42,467 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:39:42,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:39:42,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1385230209, now seen corresponding path program 1 times [2023-08-29 01:39:42,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:39:42,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760076429] [2023-08-29 01:39:42,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:39:42,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:39:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:39:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:39:54,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:39:54,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760076429] [2023-08-29 01:39:54,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760076429] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:39:54,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:39:54,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 01:39:54,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358948986] [2023-08-29 01:39:54,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:39:54,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 01:39:54,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:39:54,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 01:39:54,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-08-29 01:39:58,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 2516 [2023-08-29 01:39:58,138 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 154 transitions, 897 flow. Second operand has 12 states, 12 states have (on average 1086.75) internal successors, (13041), 12 states have internal predecessors, (13041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:39:58,139 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:39:58,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 2516 [2023-08-29 01:39:58,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:00,568 INFO L130 PetriNetUnfolder]: 2793/5321 cut-off events. [2023-08-29 01:40:00,568 INFO L131 PetriNetUnfolder]: For 5485/6135 co-relation queries the response was YES. [2023-08-29 01:40:00,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15629 conditions, 5321 events. 2793/5321 cut-off events. For 5485/6135 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 33336 event pairs, 493 based on Foata normal form. 434/5643 useless extension candidates. Maximal degree in co-relation 15607. Up to 1667 conditions per place. [2023-08-29 01:40:00,593 INFO L137 encePairwiseOnDemand]: 2508/2516 looper letters, 210 selfloop transitions, 14 changer transitions 0/276 dead transitions. [2023-08-29 01:40:00,593 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 276 transitions, 1683 flow [2023-08-29 01:40:00,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:40:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:40:00,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8846 transitions. [2023-08-29 01:40:00,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4394872813990461 [2023-08-29 01:40:00,605 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 8846 transitions. [2023-08-29 01:40:00,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 8846 transitions. [2023-08-29 01:40:00,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:00,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 8846 transitions. [2023-08-29 01:40:00,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1105.75) internal successors, (8846), 8 states have internal predecessors, (8846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:00,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:00,630 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:00,630 INFO L175 Difference]: Start difference. First operand has 131 places, 154 transitions, 897 flow. Second operand 8 states and 8846 transitions. [2023-08-29 01:40:00,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 276 transitions, 1683 flow [2023-08-29 01:40:00,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 276 transitions, 1667 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:40:00,693 INFO L231 Difference]: Finished difference. Result has 135 places, 153 transitions, 909 flow [2023-08-29 01:40:00,693 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=909, PETRI_PLACES=135, PETRI_TRANSITIONS=153} [2023-08-29 01:40:00,694 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -40 predicate places. [2023-08-29 01:40:00,694 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 153 transitions, 909 flow [2023-08-29 01:40:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1086.75) internal successors, (13041), 12 states have internal predecessors, (13041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:00,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:00,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:40:00,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 01:40:00,696 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:00,696 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:00,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1752794428, now seen corresponding path program 1 times [2023-08-29 01:40:00,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:00,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395313509] [2023-08-29 01:40:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:00,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:40:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:40:01,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:40:01,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395313509] [2023-08-29 01:40:01,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395313509] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:40:01,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:40:01,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 01:40:01,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860684106] [2023-08-29 01:40:01,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:40:01,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 01:40:01,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:40:01,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 01:40:01,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 01:40:01,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1052 out of 2516 [2023-08-29 01:40:01,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 153 transitions, 909 flow. Second operand has 5 states, 5 states have (on average 1061.0) internal successors, (5305), 5 states have internal predecessors, (5305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:01,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:40:01,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1052 of 2516 [2023-08-29 01:40:01,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:02,982 INFO L130 PetriNetUnfolder]: 5166/8895 cut-off events. [2023-08-29 01:40:02,983 INFO L131 PetriNetUnfolder]: For 18877/18914 co-relation queries the response was YES. [2023-08-29 01:40:03,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29902 conditions, 8895 events. 5166/8895 cut-off events. For 18877/18914 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 49185 event pairs, 4346 based on Foata normal form. 0/8786 useless extension candidates. Maximal degree in co-relation 29881. Up to 8386 conditions per place. [2023-08-29 01:40:03,032 INFO L137 encePairwiseOnDemand]: 2504/2516 looper letters, 115 selfloop transitions, 45 changer transitions 0/172 dead transitions. [2023-08-29 01:40:03,032 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 172 transitions, 1336 flow [2023-08-29 01:40:03,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 01:40:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 01:40:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4312 transitions. [2023-08-29 01:40:03,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42845786963434024 [2023-08-29 01:40:03,037 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4312 transitions. [2023-08-29 01:40:03,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4312 transitions. [2023-08-29 01:40:03,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:03,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4312 transitions. [2023-08-29 01:40:03,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1078.0) internal successors, (4312), 4 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:03,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2516.0) internal successors, (12580), 5 states have internal predecessors, (12580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:03,050 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2516.0) internal successors, (12580), 5 states have internal predecessors, (12580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:03,050 INFO L175 Difference]: Start difference. First operand has 135 places, 153 transitions, 909 flow. Second operand 4 states and 4312 transitions. [2023-08-29 01:40:03,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 172 transitions, 1336 flow [2023-08-29 01:40:03,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 172 transitions, 1304 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 01:40:03,110 INFO L231 Difference]: Finished difference. Result has 133 places, 159 transitions, 1075 flow [2023-08-29 01:40:03,110 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1075, PETRI_PLACES=133, PETRI_TRANSITIONS=159} [2023-08-29 01:40:03,111 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -42 predicate places. [2023-08-29 01:40:03,111 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 159 transitions, 1075 flow [2023-08-29 01:40:03,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1061.0) internal successors, (5305), 5 states have internal predecessors, (5305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:03,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:03,112 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:40:03,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 01:40:03,112 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:03,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:03,113 INFO L85 PathProgramCache]: Analyzing trace with hash 766371788, now seen corresponding path program 1 times [2023-08-29 01:40:03,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:03,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969687463] [2023-08-29 01:40:03,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:03,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:40:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:40:08,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:40:08,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969687463] [2023-08-29 01:40:08,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969687463] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:40:08,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:40:08,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 01:40:08,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284807647] [2023-08-29 01:40:08,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:40:08,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:40:08,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:40:08,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:40:08,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:40:09,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1039 out of 2516 [2023-08-29 01:40:09,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 159 transitions, 1075 flow. Second operand has 8 states, 8 states have (on average 1044.875) internal successors, (8359), 8 states have internal predecessors, (8359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:09,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:40:09,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1039 of 2516 [2023-08-29 01:40:09,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:10,924 INFO L130 PetriNetUnfolder]: 5061/8727 cut-off events. [2023-08-29 01:40:10,924 INFO L131 PetriNetUnfolder]: For 16728/16764 co-relation queries the response was YES. [2023-08-29 01:40:10,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29074 conditions, 8727 events. 5061/8727 cut-off events. For 16728/16764 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 48160 event pairs, 4278 based on Foata normal form. 0/8682 useless extension candidates. Maximal degree in co-relation 29052. Up to 7882 conditions per place. [2023-08-29 01:40:10,975 INFO L137 encePairwiseOnDemand]: 2506/2516 looper letters, 123 selfloop transitions, 43 changer transitions 1/179 dead transitions. [2023-08-29 01:40:10,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 179 transitions, 1521 flow [2023-08-29 01:40:10,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:40:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:40:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5299 transitions. [2023-08-29 01:40:10,981 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4212241653418124 [2023-08-29 01:40:10,981 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5299 transitions. [2023-08-29 01:40:10,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5299 transitions. [2023-08-29 01:40:10,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:10,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5299 transitions. [2023-08-29 01:40:10,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1059.8) internal successors, (5299), 5 states have internal predecessors, (5299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:10,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:10,996 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:10,996 INFO L175 Difference]: Start difference. First operand has 133 places, 159 transitions, 1075 flow. Second operand 5 states and 5299 transitions. [2023-08-29 01:40:10,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 179 transitions, 1521 flow [2023-08-29 01:40:11,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 179 transitions, 1469 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-08-29 01:40:11,069 INFO L231 Difference]: Finished difference. Result has 136 places, 161 transitions, 1175 flow [2023-08-29 01:40:11,070 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1175, PETRI_PLACES=136, PETRI_TRANSITIONS=161} [2023-08-29 01:40:11,070 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -39 predicate places. [2023-08-29 01:40:11,070 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 161 transitions, 1175 flow [2023-08-29 01:40:11,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1044.875) internal successors, (8359), 8 states have internal predecessors, (8359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:11,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:11,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:11,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 01:40:11,072 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:11,072 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:11,072 INFO L85 PathProgramCache]: Analyzing trace with hash -500171926, now seen corresponding path program 1 times [2023-08-29 01:40:11,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:11,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940052230] [2023-08-29 01:40:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:40:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:40:13,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:40:13,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940052230] [2023-08-29 01:40:13,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940052230] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:40:13,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:40:13,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:40:13,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890082522] [2023-08-29 01:40:13,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:40:13,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:40:13,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:40:13,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:40:13,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:40:14,798 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1090 out of 2516 [2023-08-29 01:40:14,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 161 transitions, 1175 flow. Second operand has 9 states, 9 states have (on average 1094.0) internal successors, (9846), 9 states have internal predecessors, (9846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:14,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:40:14,802 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1090 of 2516 [2023-08-29 01:40:14,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:16,946 INFO L130 PetriNetUnfolder]: 1417/3190 cut-off events. [2023-08-29 01:40:16,947 INFO L131 PetriNetUnfolder]: For 7071/7306 co-relation queries the response was YES. [2023-08-29 01:40:16,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10688 conditions, 3190 events. 1417/3190 cut-off events. For 7071/7306 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 19827 event pairs, 362 based on Foata normal form. 119/3258 useless extension candidates. Maximal degree in co-relation 10665. Up to 1017 conditions per place. [2023-08-29 01:40:16,962 INFO L137 encePairwiseOnDemand]: 2510/2516 looper letters, 200 selfloop transitions, 15 changer transitions 14/282 dead transitions. [2023-08-29 01:40:16,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 282 transitions, 2011 flow [2023-08-29 01:40:16,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 01:40:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 01:40:16,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7809 transitions. [2023-08-29 01:40:16,969 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4433908698614581 [2023-08-29 01:40:16,970 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 7809 transitions. [2023-08-29 01:40:16,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7809 transitions. [2023-08-29 01:40:16,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:16,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 7809 transitions. [2023-08-29 01:40:16,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 1115.5714285714287) internal successors, (7809), 7 states have internal predecessors, (7809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:16,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 2516.0) internal successors, (20128), 8 states have internal predecessors, (20128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:16,991 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 2516.0) internal successors, (20128), 8 states have internal predecessors, (20128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:16,991 INFO L175 Difference]: Start difference. First operand has 136 places, 161 transitions, 1175 flow. Second operand 7 states and 7809 transitions. [2023-08-29 01:40:16,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 282 transitions, 2011 flow [2023-08-29 01:40:17,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 282 transitions, 1940 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 01:40:17,023 INFO L231 Difference]: Finished difference. Result has 137 places, 158 transitions, 1126 flow [2023-08-29 01:40:17,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1126, PETRI_PLACES=137, PETRI_TRANSITIONS=158} [2023-08-29 01:40:17,023 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -38 predicate places. [2023-08-29 01:40:17,023 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 158 transitions, 1126 flow [2023-08-29 01:40:17,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1094.0) internal successors, (9846), 9 states have internal predecessors, (9846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:17,025 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:17,025 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:40:17,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 01:40:17,025 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:17,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:17,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1814841939, now seen corresponding path program 1 times [2023-08-29 01:40:17,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:17,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352723086] [2023-08-29 01:40:17,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:17,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:40:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:40:20,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:40:20,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352723086] [2023-08-29 01:40:20,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352723086] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:40:20,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:40:20,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:40:20,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019826233] [2023-08-29 01:40:20,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:40:20,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 01:40:20,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:40:20,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 01:40:20,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 01:40:21,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1040 out of 2516 [2023-08-29 01:40:21,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 158 transitions, 1126 flow. Second operand has 7 states, 7 states have (on average 1048.2857142857142) internal successors, (7338), 7 states have internal predecessors, (7338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:21,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:40:21,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1040 of 2516 [2023-08-29 01:40:21,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:22,927 INFO L130 PetriNetUnfolder]: 4966/8620 cut-off events. [2023-08-29 01:40:22,927 INFO L131 PetriNetUnfolder]: For 19870/19878 co-relation queries the response was YES. [2023-08-29 01:40:22,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29873 conditions, 8620 events. 4966/8620 cut-off events. For 19870/19878 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 47839 event pairs, 4294 based on Foata normal form. 0/8582 useless extension candidates. Maximal degree in co-relation 29851. Up to 8181 conditions per place. [2023-08-29 01:40:22,975 INFO L137 encePairwiseOnDemand]: 2502/2516 looper letters, 117 selfloop transitions, 42 changer transitions 1/171 dead transitions. [2023-08-29 01:40:22,975 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 171 transitions, 1504 flow [2023-08-29 01:40:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:40:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:40:22,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5304 transitions. [2023-08-29 01:40:22,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42162162162162165 [2023-08-29 01:40:22,981 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5304 transitions. [2023-08-29 01:40:22,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5304 transitions. [2023-08-29 01:40:22,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:22,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5304 transitions. [2023-08-29 01:40:22,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1060.8) internal successors, (5304), 5 states have internal predecessors, (5304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:22,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:22,995 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:22,995 INFO L175 Difference]: Start difference. First operand has 137 places, 158 transitions, 1126 flow. Second operand 5 states and 5304 transitions. [2023-08-29 01:40:22,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 171 transitions, 1504 flow [2023-08-29 01:40:23,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 171 transitions, 1469 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 01:40:23,057 INFO L231 Difference]: Finished difference. Result has 136 places, 158 transitions, 1216 flow [2023-08-29 01:40:23,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1216, PETRI_PLACES=136, PETRI_TRANSITIONS=158} [2023-08-29 01:40:23,058 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -39 predicate places. [2023-08-29 01:40:23,058 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 158 transitions, 1216 flow [2023-08-29 01:40:23,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1048.2857142857142) internal successors, (7338), 7 states have internal predecessors, (7338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:23,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:23,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:40:23,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 01:40:23,060 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:23,060 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash 998195149, now seen corresponding path program 2 times [2023-08-29 01:40:23,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:23,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058322382] [2023-08-29 01:40:23,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:40:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:40:28,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:40:28,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058322382] [2023-08-29 01:40:28,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058322382] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:40:28,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:40:28,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 01:40:28,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440290203] [2023-08-29 01:40:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:40:28,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:40:28,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:40:28,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:40:28,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:40:28,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1039 out of 2516 [2023-08-29 01:40:28,876 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 158 transitions, 1216 flow. Second operand has 8 states, 8 states have (on average 1046.25) internal successors, (8370), 8 states have internal predecessors, (8370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:28,876 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:40:28,876 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1039 of 2516 [2023-08-29 01:40:28,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:30,282 INFO L130 PetriNetUnfolder]: 4950/8602 cut-off events. [2023-08-29 01:40:30,282 INFO L131 PetriNetUnfolder]: For 17015/17023 co-relation queries the response was YES. [2023-08-29 01:40:30,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29124 conditions, 8602 events. 4950/8602 cut-off events. For 17015/17023 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 47735 event pairs, 4276 based on Foata normal form. 8/8585 useless extension candidates. Maximal degree in co-relation 29102. Up to 8060 conditions per place. [2023-08-29 01:40:30,315 INFO L137 encePairwiseOnDemand]: 2506/2516 looper letters, 122 selfloop transitions, 39 changer transitions 4/176 dead transitions. [2023-08-29 01:40:30,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 176 transitions, 1632 flow [2023-08-29 01:40:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:40:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:40:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5299 transitions. [2023-08-29 01:40:30,320 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4212241653418124 [2023-08-29 01:40:30,320 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5299 transitions. [2023-08-29 01:40:30,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5299 transitions. [2023-08-29 01:40:30,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:30,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5299 transitions. [2023-08-29 01:40:30,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1059.8) internal successors, (5299), 5 states have internal predecessors, (5299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:30,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:30,331 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:30,331 INFO L175 Difference]: Start difference. First operand has 136 places, 158 transitions, 1216 flow. Second operand 5 states and 5299 transitions. [2023-08-29 01:40:30,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 176 transitions, 1632 flow [2023-08-29 01:40:30,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 176 transitions, 1587 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:40:30,385 INFO L231 Difference]: Finished difference. Result has 138 places, 154 transitions, 1217 flow [2023-08-29 01:40:30,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1217, PETRI_PLACES=138, PETRI_TRANSITIONS=154} [2023-08-29 01:40:30,386 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -37 predicate places. [2023-08-29 01:40:30,386 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 154 transitions, 1217 flow [2023-08-29 01:40:30,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1046.25) internal successors, (8370), 8 states have internal predecessors, (8370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:30,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:30,388 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:40:30,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 01:40:30,389 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:30,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:30,389 INFO L85 PathProgramCache]: Analyzing trace with hash -10526345, now seen corresponding path program 3 times [2023-08-29 01:40:30,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:30,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848257631] [2023-08-29 01:40:30,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:30,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:40:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:40:37,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:40:37,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848257631] [2023-08-29 01:40:37,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848257631] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:40:37,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:40:37,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 01:40:37,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755326887] [2023-08-29 01:40:37,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:40:37,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:40:37,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:40:37,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:40:37,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:40:37,686 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1038 out of 2516 [2023-08-29 01:40:37,689 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 154 transitions, 1217 flow. Second operand has 8 states, 8 states have (on average 1045.375) internal successors, (8363), 8 states have internal predecessors, (8363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:37,689 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:40:37,689 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1038 of 2516 [2023-08-29 01:40:37,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:39,007 INFO L130 PetriNetUnfolder]: 4936/8566 cut-off events. [2023-08-29 01:40:39,008 INFO L131 PetriNetUnfolder]: For 17865/17872 co-relation queries the response was YES. [2023-08-29 01:40:39,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29150 conditions, 8566 events. 4936/8566 cut-off events. For 17865/17872 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 47448 event pairs, 4272 based on Foata normal form. 8/8552 useless extension candidates. Maximal degree in co-relation 29127. Up to 7969 conditions per place. [2023-08-29 01:40:39,050 INFO L137 encePairwiseOnDemand]: 2506/2516 looper letters, 118 selfloop transitions, 36 changer transitions 6/171 dead transitions. [2023-08-29 01:40:39,050 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 171 transitions, 1620 flow [2023-08-29 01:40:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:40:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:40:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5294 transitions. [2023-08-29 01:40:39,054 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4208267090620032 [2023-08-29 01:40:39,054 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5294 transitions. [2023-08-29 01:40:39,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5294 transitions. [2023-08-29 01:40:39,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:39,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5294 transitions. [2023-08-29 01:40:39,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1058.8) internal successors, (5294), 5 states have internal predecessors, (5294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:39,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:39,063 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:39,063 INFO L175 Difference]: Start difference. First operand has 138 places, 154 transitions, 1217 flow. Second operand 5 states and 5294 transitions. [2023-08-29 01:40:39,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 171 transitions, 1620 flow [2023-08-29 01:40:39,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 171 transitions, 1504 flow, removed 1 selfloop flow, removed 5 redundant places. [2023-08-29 01:40:39,115 INFO L231 Difference]: Finished difference. Result has 138 places, 149 transitions, 1122 flow [2023-08-29 01:40:39,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1101, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1122, PETRI_PLACES=138, PETRI_TRANSITIONS=149} [2023-08-29 01:40:39,116 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -37 predicate places. [2023-08-29 01:40:39,116 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 149 transitions, 1122 flow [2023-08-29 01:40:39,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1045.375) internal successors, (8363), 8 states have internal predecessors, (8363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:39,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:39,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:40:39,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 01:40:39,117 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:39,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash 860423373, now seen corresponding path program 4 times [2023-08-29 01:40:39,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:39,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208373352] [2023-08-29 01:40:39,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:39,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:40:50,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:40:50,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:40:50,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208373352] [2023-08-29 01:40:50,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208373352] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:40:50,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:40:50,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:40:50,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658706623] [2023-08-29 01:40:50,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:40:50,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:40:50,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:40:50,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:40:50,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:40:51,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1037 out of 2516 [2023-08-29 01:40:51,542 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 149 transitions, 1122 flow. Second operand has 9 states, 9 states have (on average 1043.5555555555557) internal successors, (9392), 9 states have internal predecessors, (9392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:51,542 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:40:51,542 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1037 of 2516 [2023-08-29 01:40:51,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:40:52,708 INFO L130 PetriNetUnfolder]: 4762/8251 cut-off events. [2023-08-29 01:40:52,708 INFO L131 PetriNetUnfolder]: For 16196/16203 co-relation queries the response was YES. [2023-08-29 01:40:52,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27775 conditions, 8251 events. 4762/8251 cut-off events. For 16196/16203 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 45245 event pairs, 4231 based on Foata normal form. 4/8233 useless extension candidates. Maximal degree in co-relation 27752. Up to 7527 conditions per place. [2023-08-29 01:40:52,745 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 108 selfloop transitions, 18 changer transitions 36/173 dead transitions. [2023-08-29 01:40:52,745 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 173 transitions, 1559 flow [2023-08-29 01:40:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:40:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:40:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6326 transitions. [2023-08-29 01:40:52,752 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.419051404345522 [2023-08-29 01:40:52,752 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6326 transitions. [2023-08-29 01:40:52,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6326 transitions. [2023-08-29 01:40:52,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:40:52,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6326 transitions. [2023-08-29 01:40:52,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1054.3333333333333) internal successors, (6326), 6 states have internal predecessors, (6326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:52,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:52,766 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:52,766 INFO L175 Difference]: Start difference. First operand has 138 places, 149 transitions, 1122 flow. Second operand 6 states and 6326 transitions. [2023-08-29 01:40:52,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 173 transitions, 1559 flow [2023-08-29 01:40:52,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 173 transitions, 1394 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 01:40:52,814 INFO L231 Difference]: Finished difference. Result has 135 places, 120 transitions, 643 flow [2023-08-29 01:40:52,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=643, PETRI_PLACES=135, PETRI_TRANSITIONS=120} [2023-08-29 01:40:52,815 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -40 predicate places. [2023-08-29 01:40:52,815 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 120 transitions, 643 flow [2023-08-29 01:40:52,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1043.5555555555557) internal successors, (9392), 9 states have internal predecessors, (9392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:40:52,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:40:52,816 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:40:52,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 01:40:52,817 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:40:52,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:40:52,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1813268314, now seen corresponding path program 1 times [2023-08-29 01:40:52,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:40:52,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454559757] [2023-08-29 01:40:52,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:40:52,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:40:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:41:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:41:01,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:41:01,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454559757] [2023-08-29 01:41:01,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454559757] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:41:01,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:41:01,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:41:01,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397890542] [2023-08-29 01:41:01,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:41:01,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 01:41:01,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:41:01,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 01:41:01,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-08-29 01:41:03,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 2516 [2023-08-29 01:41:03,399 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 120 transitions, 643 flow. Second operand has 11 states, 11 states have (on average 1087.5454545454545) internal successors, (11963), 11 states have internal predecessors, (11963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:03,399 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:41:03,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 2516 [2023-08-29 01:41:03,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:41:04,821 INFO L130 PetriNetUnfolder]: 843/2130 cut-off events. [2023-08-29 01:41:04,821 INFO L131 PetriNetUnfolder]: For 3201/3380 co-relation queries the response was YES. [2023-08-29 01:41:04,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5923 conditions, 2130 events. 843/2130 cut-off events. For 3201/3380 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 12586 event pairs, 522 based on Foata normal form. 7/2086 useless extension candidates. Maximal degree in co-relation 5902. Up to 1232 conditions per place. [2023-08-29 01:41:04,830 INFO L137 encePairwiseOnDemand]: 2502/2516 looper letters, 158 selfloop transitions, 18 changer transitions 46/259 dead transitions. [2023-08-29 01:41:04,830 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 259 transitions, 1642 flow [2023-08-29 01:41:04,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:41:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:41:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9945 transitions. [2023-08-29 01:41:04,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4391891891891892 [2023-08-29 01:41:04,839 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 9945 transitions. [2023-08-29 01:41:04,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 9945 transitions. [2023-08-29 01:41:04,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:41:04,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 9945 transitions. [2023-08-29 01:41:04,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1105.0) internal successors, (9945), 9 states have internal predecessors, (9945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:04,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2516.0) internal successors, (25160), 10 states have internal predecessors, (25160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:04,860 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2516.0) internal successors, (25160), 10 states have internal predecessors, (25160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:04,860 INFO L175 Difference]: Start difference. First operand has 135 places, 120 transitions, 643 flow. Second operand 9 states and 9945 transitions. [2023-08-29 01:41:04,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 259 transitions, 1642 flow [2023-08-29 01:41:04,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 259 transitions, 1414 flow, removed 18 selfloop flow, removed 12 redundant places. [2023-08-29 01:41:04,873 INFO L231 Difference]: Finished difference. Result has 136 places, 129 transitions, 642 flow [2023-08-29 01:41:04,873 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=642, PETRI_PLACES=136, PETRI_TRANSITIONS=129} [2023-08-29 01:41:04,874 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -39 predicate places. [2023-08-29 01:41:04,874 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 129 transitions, 642 flow [2023-08-29 01:41:04,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1087.5454545454545) internal successors, (11963), 11 states have internal predecessors, (11963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:04,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:41:04,876 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:41:04,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 01:41:04,876 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 01:41:04,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:41:04,877 INFO L85 PathProgramCache]: Analyzing trace with hash -718444678, now seen corresponding path program 2 times [2023-08-29 01:41:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:41:04,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324676330] [2023-08-29 01:41:04,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:41:04,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:41:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:41:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:41:08,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:41:08,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324676330] [2023-08-29 01:41:08,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324676330] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:41:08,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:41:08,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 01:41:08,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71653278] [2023-08-29 01:41:08,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:41:08,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:41:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:41:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:41:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:41:09,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1092 out of 2516 [2023-08-29 01:41:09,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 129 transitions, 642 flow. Second operand has 10 states, 10 states have (on average 1095.9) internal successors, (10959), 10 states have internal predecessors, (10959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:09,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:41:09,915 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1092 of 2516 [2023-08-29 01:41:09,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:41:10,829 INFO L130 PetriNetUnfolder]: 716/1850 cut-off events. [2023-08-29 01:41:10,829 INFO L131 PetriNetUnfolder]: For 1766/1890 co-relation queries the response was YES. [2023-08-29 01:41:10,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4879 conditions, 1850 events. 716/1850 cut-off events. For 1766/1890 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 10662 event pairs, 494 based on Foata normal form. 14/1817 useless extension candidates. Maximal degree in co-relation 4857. Up to 1030 conditions per place. [2023-08-29 01:41:10,836 INFO L137 encePairwiseOnDemand]: 2508/2516 looper letters, 0 selfloop transitions, 0 changer transitions 218/218 dead transitions. [2023-08-29 01:41:10,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 218 transitions, 1238 flow [2023-08-29 01:41:10,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:41:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:41:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8893 transitions. [2023-08-29 01:41:10,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4418223370429253 [2023-08-29 01:41:10,848 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 8893 transitions. [2023-08-29 01:41:10,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 8893 transitions. [2023-08-29 01:41:10,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:41:10,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 8893 transitions. [2023-08-29 01:41:10,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1111.625) internal successors, (8893), 8 states have internal predecessors, (8893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:10,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:10,867 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:10,867 INFO L175 Difference]: Start difference. First operand has 136 places, 129 transitions, 642 flow. Second operand 8 states and 8893 transitions. [2023-08-29 01:41:10,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 218 transitions, 1238 flow [2023-08-29 01:41:10,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 218 transitions, 1196 flow, removed 7 selfloop flow, removed 7 redundant places. [2023-08-29 01:41:10,878 INFO L231 Difference]: Finished difference. Result has 133 places, 0 transitions, 0 flow [2023-08-29 01:41:10,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=133, PETRI_TRANSITIONS=0} [2023-08-29 01:41:10,879 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -42 predicate places. [2023-08-29 01:41:10,879 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 0 transitions, 0 flow [2023-08-29 01:41:10,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1095.9) internal successors, (10959), 10 states have internal predecessors, (10959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:41:10,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (104 of 105 remaining) [2023-08-29 01:41:10,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (103 of 105 remaining) [2023-08-29 01:41:10,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (102 of 105 remaining) [2023-08-29 01:41:10,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (101 of 105 remaining) [2023-08-29 01:41:10,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (100 of 105 remaining) [2023-08-29 01:41:10,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (99 of 105 remaining) [2023-08-29 01:41:10,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (98 of 105 remaining) [2023-08-29 01:41:10,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (97 of 105 remaining) [2023-08-29 01:41:10,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (96 of 105 remaining) [2023-08-29 01:41:10,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (95 of 105 remaining) [2023-08-29 01:41:10,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (94 of 105 remaining) [2023-08-29 01:41:10,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (93 of 105 remaining) [2023-08-29 01:41:10,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (92 of 105 remaining) [2023-08-29 01:41:10,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (91 of 105 remaining) [2023-08-29 01:41:10,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (90 of 105 remaining) [2023-08-29 01:41:10,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (89 of 105 remaining) [2023-08-29 01:41:10,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (88 of 105 remaining) [2023-08-29 01:41:10,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (87 of 105 remaining) [2023-08-29 01:41:10,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (86 of 105 remaining) [2023-08-29 01:41:10,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (85 of 105 remaining) [2023-08-29 01:41:10,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (84 of 105 remaining) [2023-08-29 01:41:10,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (83 of 105 remaining) [2023-08-29 01:41:10,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (82 of 105 remaining) [2023-08-29 01:41:10,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (81 of 105 remaining) [2023-08-29 01:41:10,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (80 of 105 remaining) [2023-08-29 01:41:10,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (79 of 105 remaining) [2023-08-29 01:41:10,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (78 of 105 remaining) [2023-08-29 01:41:10,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (77 of 105 remaining) [2023-08-29 01:41:10,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (76 of 105 remaining) [2023-08-29 01:41:10,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (75 of 105 remaining) [2023-08-29 01:41:10,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (74 of 105 remaining) [2023-08-29 01:41:10,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (73 of 105 remaining) [2023-08-29 01:41:10,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (72 of 105 remaining) [2023-08-29 01:41:10,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (71 of 105 remaining) [2023-08-29 01:41:10,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (70 of 105 remaining) [2023-08-29 01:41:10,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (69 of 105 remaining) [2023-08-29 01:41:10,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (68 of 105 remaining) [2023-08-29 01:41:10,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (67 of 105 remaining) [2023-08-29 01:41:10,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (66 of 105 remaining) [2023-08-29 01:41:10,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (65 of 105 remaining) [2023-08-29 01:41:10,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (64 of 105 remaining) [2023-08-29 01:41:10,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (63 of 105 remaining) [2023-08-29 01:41:10,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (62 of 105 remaining) [2023-08-29 01:41:10,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (61 of 105 remaining) [2023-08-29 01:41:10,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (60 of 105 remaining) [2023-08-29 01:41:10,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (59 of 105 remaining) [2023-08-29 01:41:10,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (58 of 105 remaining) [2023-08-29 01:41:10,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (57 of 105 remaining) [2023-08-29 01:41:10,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (56 of 105 remaining) [2023-08-29 01:41:10,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (55 of 105 remaining) [2023-08-29 01:41:10,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (54 of 105 remaining) [2023-08-29 01:41:10,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (53 of 105 remaining) [2023-08-29 01:41:10,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (52 of 105 remaining) [2023-08-29 01:41:10,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (51 of 105 remaining) [2023-08-29 01:41:10,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (50 of 105 remaining) [2023-08-29 01:41:10,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (49 of 105 remaining) [2023-08-29 01:41:10,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (48 of 105 remaining) [2023-08-29 01:41:10,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (47 of 105 remaining) [2023-08-29 01:41:10,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (46 of 105 remaining) [2023-08-29 01:41:10,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (45 of 105 remaining) [2023-08-29 01:41:10,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (44 of 105 remaining) [2023-08-29 01:41:10,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (43 of 105 remaining) [2023-08-29 01:41:10,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (42 of 105 remaining) [2023-08-29 01:41:10,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (41 of 105 remaining) [2023-08-29 01:41:10,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (40 of 105 remaining) [2023-08-29 01:41:10,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (39 of 105 remaining) [2023-08-29 01:41:10,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (38 of 105 remaining) [2023-08-29 01:41:10,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (37 of 105 remaining) [2023-08-29 01:41:10,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (36 of 105 remaining) [2023-08-29 01:41:10,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (35 of 105 remaining) [2023-08-29 01:41:10,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (34 of 105 remaining) [2023-08-29 01:41:10,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 105 remaining) [2023-08-29 01:41:10,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 105 remaining) [2023-08-29 01:41:10,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONDATA_RACE (31 of 105 remaining) [2023-08-29 01:41:10,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE (30 of 105 remaining) [2023-08-29 01:41:10,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr2ASSERT_VIOLATIONDATA_RACE (29 of 105 remaining) [2023-08-29 01:41:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr3ASSERT_VIOLATIONDATA_RACE (28 of 105 remaining) [2023-08-29 01:41:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE (27 of 105 remaining) [2023-08-29 01:41:10,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONDATA_RACE (26 of 105 remaining) [2023-08-29 01:41:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr6ASSERT_VIOLATIONDATA_RACE (25 of 105 remaining) [2023-08-29 01:41:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr7ASSERT_VIOLATIONDATA_RACE (24 of 105 remaining) [2023-08-29 01:41:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr8ASSERT_VIOLATIONDATA_RACE (23 of 105 remaining) [2023-08-29 01:41:10,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr9ASSERT_VIOLATIONDATA_RACE (22 of 105 remaining) [2023-08-29 01:41:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr10ASSERT_VIOLATIONDATA_RACE (21 of 105 remaining) [2023-08-29 01:41:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE (20 of 105 remaining) [2023-08-29 01:41:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE (19 of 105 remaining) [2023-08-29 01:41:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (18 of 105 remaining) [2023-08-29 01:41:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (17 of 105 remaining) [2023-08-29 01:41:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (16 of 105 remaining) [2023-08-29 01:41:10,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONDATA_RACE (15 of 105 remaining) [2023-08-29 01:41:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE (14 of 105 remaining) [2023-08-29 01:41:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr2ASSERT_VIOLATIONDATA_RACE (13 of 105 remaining) [2023-08-29 01:41:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr3ASSERT_VIOLATIONDATA_RACE (12 of 105 remaining) [2023-08-29 01:41:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE (11 of 105 remaining) [2023-08-29 01:41:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONDATA_RACE (10 of 105 remaining) [2023-08-29 01:41:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr6ASSERT_VIOLATIONDATA_RACE (9 of 105 remaining) [2023-08-29 01:41:10,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr7ASSERT_VIOLATIONDATA_RACE (8 of 105 remaining) [2023-08-29 01:41:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr8ASSERT_VIOLATIONDATA_RACE (7 of 105 remaining) [2023-08-29 01:41:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr9ASSERT_VIOLATIONDATA_RACE (6 of 105 remaining) [2023-08-29 01:41:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr10ASSERT_VIOLATIONDATA_RACE (5 of 105 remaining) [2023-08-29 01:41:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE (4 of 105 remaining) [2023-08-29 01:41:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE (3 of 105 remaining) [2023-08-29 01:41:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (2 of 105 remaining) [2023-08-29 01:41:10,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (1 of 105 remaining) [2023-08-29 01:41:10,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (0 of 105 remaining) [2023-08-29 01:41:10,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 01:41:10,905 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:41:10,910 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:41:10,911 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:41:10,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:41:10 BasicIcfg [2023-08-29 01:41:10,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:41:10,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:41:10,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:41:10,915 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:41:10,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:30:29" (3/4) ... [2023-08-29 01:41:10,918 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:41:10,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 01:41:10,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 01:41:10,946 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 01:41:10,948 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 01:41:10,949 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 01:41:10,950 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 01:41:11,045 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:41:11,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:41:11,046 INFO L158 Benchmark]: Toolchain (without parser) took 647690.48ms. Allocated memory was 60.8MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 31.9MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 451.0MB. Max. memory is 16.1GB. [2023-08-29 01:41:11,046 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:41:11,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4664.40ms. Allocated memory was 60.8MB in the beginning and 134.2MB in the end (delta: 73.4MB). Free memory was 31.7MB in the beginning and 40.7MB in the end (delta: -9.0MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-08-29 01:41:11,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.21ms. Allocated memory is still 134.2MB. Free memory was 40.7MB in the beginning and 54.8MB in the end (delta: -14.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-08-29 01:41:11,047 INFO L158 Benchmark]: Boogie Preprocessor took 109.70ms. Allocated memory is still 134.2MB. Free memory was 54.8MB in the beginning and 47.7MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 01:41:11,047 INFO L158 Benchmark]: RCFGBuilder took 1560.58ms. Allocated memory was 134.2MB in the beginning and 268.4MB in the end (delta: 134.2MB). Free memory was 47.1MB in the beginning and 187.8MB in the end (delta: -140.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-08-29 01:41:11,047 INFO L158 Benchmark]: TraceAbstraction took 640997.06ms. Allocated memory was 268.4MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 186.7MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-08-29 01:41:11,048 INFO L158 Benchmark]: Witness Printer took 130.06ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 01:41:11,054 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 50.3MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 53.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4664.40ms. Allocated memory was 60.8MB in the beginning and 134.2MB in the end (delta: 73.4MB). Free memory was 31.7MB in the beginning and 40.7MB in the end (delta: -9.0MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.21ms. Allocated memory is still 134.2MB. Free memory was 40.7MB in the beginning and 54.8MB in the end (delta: -14.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.70ms. Allocated memory is still 134.2MB. Free memory was 54.8MB in the beginning and 47.7MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1560.58ms. Allocated memory was 134.2MB in the beginning and 268.4MB in the end (delta: 134.2MB). Free memory was 47.1MB in the beginning and 187.8MB in the end (delta: -140.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 640997.06ms. Allocated memory was 268.4MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 186.7MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 130.06ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 525.7s, 1104 PlacesBefore, 175 PlacesAfterwards, 1152 TransitionsBefore, 192 TransitionsAfterwards, 28020 CoEnabledTransitionPairs, 12 FixpointIterations, 1080 TrivialSequentialCompositions, 166 ConcurrentSequentialCompositions, 52 TrivialYvCompositions, 25 ConcurrentYvCompositions, 31 ChoiceCompositions, 1354 TotalNumberOfCompositions, 114829 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34802, independent: 32921, independent conditional: 0, independent unconditional: 32921, dependent: 1881, dependent conditional: 0, dependent unconditional: 1881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13871, independent: 13715, independent conditional: 0, independent unconditional: 13715, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34802, independent: 19206, independent conditional: 0, independent unconditional: 19206, dependent: 1725, dependent conditional: 0, dependent unconditional: 1725, unknown: 13871, unknown conditional: 0, unknown unconditional: 13871] , Statistics on independence cache: Total cache size (in pairs): 843, Positive cache size: 766, Positive conditional cache size: 0, Positive unconditional cache size: 766, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7042]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7043]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7044]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7045]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7046]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7047]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7048]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7049]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7050]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7051]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7052]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7053]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7054]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7055]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7056]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7057]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7058]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7059]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7060]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7061]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7062]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7063]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7064]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7065]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7070]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7071]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6901]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7037]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6864]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6854]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6855]: there are no data races For all program executions holds that there are no data races at this location - 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, 1339 locations, 105 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: 640.8s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 44.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 526.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14520 SdHoareTripleChecker+Valid, 33.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10260 mSDsluCounter, 6912 SdHoareTripleChecker+Invalid, 29.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6018 mSDsCounter, 3009 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32262 IncrementalHoareTripleChecker+Invalid, 35271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3009 mSolverCounterUnsat, 894 mSDtfsCounter, 32262 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1217occurred in iteration=19, InterpolantAutomatonStates: 114, 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, 3.4s SatisfiabilityAnalysisTime, 65.6s InterpolantComputationTime, 838 NumberOfCodeBlocks, 838 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 815 ConstructedInterpolants, 0 QuantifiedInterpolants, 17409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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 87 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 01:41:11,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE