./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_set.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_set.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 7e42125d78d2e647b04483b10b743ce53945c41f6200d87cdd62381d378c13a7 --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 01:35:32,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:35:32,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:35:32,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:35:32,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:35:32,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:35:32,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:35:32,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:35:32,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:35:32,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:35:32,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:35:32,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:35:32,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:35:32,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:35:32,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:35:32,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:35:32,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:35:32,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:35:32,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:35:32,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:35:32,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:35:32,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:35:32,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:35:32,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:35:32,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:35:32,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:35:32,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:35:32,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:35:32,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:35:32,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:35:32,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:35:32,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:35:32,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:35:32,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:35:32,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:35:32,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:35:32,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:35:32,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:35:32,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:35:32,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:35:32,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:35:32,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:35:32,491 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:35:32,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:35:32,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:35:32,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:35:32,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:35:32,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:35:32,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:35:32,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:35:32,495 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:35:32,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:35:32,496 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:35:32,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:35:32,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:35:32,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:35:32,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:35:32,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:35:32,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:35:32,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:35:32,497 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:35:32,498 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:35:32,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:35:32,498 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:35:32,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:35:32,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:35:32,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:35:32,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:35:32,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:35:32,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:35:32,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:35:32,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:35:32,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:35:32,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:35:32,500 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:35:32,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:35:32,501 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:35:32,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:35:32,501 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:35:32,501 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e42125d78d2e647b04483b10b743ce53945c41f6200d87cdd62381d378c13a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:35:32,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:35:32,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:35:32,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:35:32,816 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:35:32,816 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:35:32,817 INFO L432 ainManager$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_set.i [2023-08-29 01:35:34,009 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:35:34,511 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:35:34,512 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-08-29 01:35:34,551 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a4756105/1c760d5c842546bba24a8d028500572a/FLAG057b31e06 [2023-08-29 01:35:34,575 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a4756105/1c760d5c842546bba24a8d028500572a [2023-08-29 01:35:34,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:35:34,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:35:34,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:35:34,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:35:34,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:35:34,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:35:34" (1/1) ... [2023-08-29 01:35:34,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bb0dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:34, skipping insertion in model container [2023-08-29 01:35:34,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:35:34" (1/1) ... [2023-08-29 01:35:34,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:35:34,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:35:35,051 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_set.i[5469,5482] [2023-08-29 01:35:37,664 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:35:38,146 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:35:38,150 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:35:38,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:35:38,245 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:35:38,274 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_set.i[5469,5482] [2023-08-29 01:35:38,614 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:35:38,690 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:35:38,691 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:35:38,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:35:39,210 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:35:39,210 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:35:39,210 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:35:39,210 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:35:39,210 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:35:39,210 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:35:39,211 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:35:39,217 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:35:39,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39 WrapperNode [2023-08-29 01:35:39,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:35:39,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:35:39,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:35:39,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:35:39,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,488 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 58, statements flattened = 1106 [2023-08-29 01:35:39,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:35:39,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:35:39,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:35:39,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:35:39,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,544 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:35:39,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:35:39,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:35:39,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:35:39,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (1/1) ... [2023-08-29 01:35:39,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:35:39,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:35:39,602 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 01:35:39,608 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 01:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:35:39,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 01:35:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 01:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:35:39,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:35:39,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:35:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:35:39,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:35:39,640 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:35:39,641 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:35:39,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:35:39,643 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 01:35:40,126 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:35:40,127 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:35:41,260 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:35:41,276 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:35:41,276 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-08-29 01:35:41,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:35:41 BoogieIcfgContainer [2023-08-29 01:35:41,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:35:41,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:35:41,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:35:41,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:35:41,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:35:34" (1/3) ... [2023-08-29 01:35:41,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66319238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:35:41, skipping insertion in model container [2023-08-29 01:35:41,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:35:39" (2/3) ... [2023-08-29 01:35:41,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66319238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:35:41, skipping insertion in model container [2023-08-29 01:35:41,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:35:41" (3/3) ... [2023-08-29 01:35:41,289 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-08-29 01:35:41,296 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:35:41,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:35:41,303 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2023-08-29 01:35:41,304 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:35:41,478 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:35:41,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1213 places, 1271 transitions, 2558 flow [2023-08-29 01:35:41,936 INFO L130 PetriNetUnfolder]: 65/1269 cut-off events. [2023-08-29 01:35:41,936 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:35:41,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 1269 events. 65/1269 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2477 event pairs, 0 based on Foata normal form. 0/1108 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:35:41,955 INFO L82 GeneralOperation]: Start removeDead. Operand has 1213 places, 1271 transitions, 2558 flow [2023-08-29 01:35:41,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1203 places, 1261 transitions, 2531 flow [2023-08-29 01:35:41,975 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:35:41,987 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1203 places, 1261 transitions, 2531 flow [2023-08-29 01:35:41,993 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1203 places, 1261 transitions, 2531 flow [2023-08-29 01:35:41,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1203 places, 1261 transitions, 2531 flow [2023-08-29 01:35:42,276 INFO L130 PetriNetUnfolder]: 65/1261 cut-off events. [2023-08-29 01:35:42,276 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:35:42,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1269 conditions, 1261 events. 65/1261 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2195 event pairs, 0 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:35:42,318 INFO L119 LiptonReduction]: Number of co-enabled transitions 73800 [2023-08-29 01:37:05,027 WARN L222 SmtUtils]: Spent 13.39s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:37:18,514 WARN L222 SmtUtils]: Spent 13.48s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:37:26,786 WARN L222 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:37:35,266 WARN L222 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:40:03,119 WARN L222 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 621 DAG size of output: 619 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:40:32,299 WARN L222 SmtUtils]: Spent 29.17s 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 01:42:05,706 WARN L222 SmtUtils]: Spent 1.56m on a formula simplification. DAG size of input: 624 DAG size of output: 622 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:43:00,962 WARN L222 SmtUtils]: Spent 55.25s 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 01:43:08,103 WARN L222 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 288 DAG size of output: 281 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:43:18,465 WARN L222 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 313 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:43:22,255 INFO L134 LiptonReduction]: Checked pairs total: 330004 [2023-08-29 01:43:22,255 INFO L136 LiptonReduction]: Total number of compositions: 1436 [2023-08-29 01:43:22,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:43:22,272 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;@4b0d8ca6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:43:22,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 123 error locations. [2023-08-29 01:43:22,274 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:43:22,274 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:43:22,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:22,275 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:43:22,275 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:22,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash 4587, now seen corresponding path program 1 times [2023-08-29 01:43:22,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:22,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359681472] [2023-08-29 01:43:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:22,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:43:22,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:22,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359681472] [2023-08-29 01:43:22,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359681472] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:22,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:22,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:43:22,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722882635] [2023-08-29 01:43:22,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:22,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:43:22,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:22,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:43:22,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:43:22,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2707 [2023-08-29 01:43:22,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 244 transitions, 497 flow. Second operand has 2 states, 2 states have (on average 1227.5) internal successors, (2455), 2 states have internal predecessors, (2455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:22,503 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:22,503 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2707 [2023-08-29 01:43:22,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:23,183 INFO L130 PetriNetUnfolder]: 920/3278 cut-off events. [2023-08-29 01:43:23,186 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-29 01:43:23,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4947 conditions, 3278 events. 920/3278 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24091 event pairs, 909 based on Foata normal form. 66/3122 useless extension candidates. Maximal degree in co-relation 4606. Up to 1613 conditions per place. [2023-08-29 01:43:23,205 INFO L137 encePairwiseOnDemand]: 2624/2707 looper letters, 64 selfloop transitions, 0 changer transitions 0/160 dead transitions. [2023-08-29 01:43:23,205 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 160 transitions, 457 flow [2023-08-29 01:43:23,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:43:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:43:23,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2601 transitions. [2023-08-29 01:43:23,228 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48042113040265977 [2023-08-29 01:43:23,229 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2601 transitions. [2023-08-29 01:43:23,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2601 transitions. [2023-08-29 01:43:23,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:23,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2601 transitions. [2023-08-29 01:43:23,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1300.5) internal successors, (2601), 2 states have internal predecessors, (2601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:23,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2707.0) internal successors, (8121), 3 states have internal predecessors, (8121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:23,265 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2707.0) internal successors, (8121), 3 states have internal predecessors, (8121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:23,267 INFO L175 Difference]: Start difference. First operand has 224 places, 244 transitions, 497 flow. Second operand 2 states and 2601 transitions. [2023-08-29 01:43:23,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 160 transitions, 457 flow [2023-08-29 01:43:23,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 160 transitions, 452 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:43:23,274 INFO L231 Difference]: Finished difference. Result has 154 places, 160 transitions, 324 flow [2023-08-29 01:43:23,276 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=324, PETRI_PLACES=154, PETRI_TRANSITIONS=160} [2023-08-29 01:43:23,280 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -70 predicate places. [2023-08-29 01:43:23,280 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 160 transitions, 324 flow [2023-08-29 01:43:23,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1227.5) internal successors, (2455), 2 states have internal predecessors, (2455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:23,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:23,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:43:23,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:43:23,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:23,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash 4624753, now seen corresponding path program 1 times [2023-08-29 01:43:23,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:23,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823143318] [2023-08-29 01:43:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:23,606 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 01:43:23,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:23,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823143318] [2023-08-29 01:43:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823143318] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:23,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:23,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:43:23,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470480801] [2023-08-29 01:43:23,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:23,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:43:23,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:43:23,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:43:23,641 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1208 out of 2707 [2023-08-29 01:43:23,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 160 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 1209.0) internal successors, (3627), 3 states have internal predecessors, (3627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:23,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:23,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1208 of 2707 [2023-08-29 01:43:23,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:24,281 INFO L130 PetriNetUnfolder]: 920/3276 cut-off events. [2023-08-29 01:43:24,282 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 01:43:24,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4924 conditions, 3276 events. 920/3276 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24061 event pairs, 909 based on Foata normal form. 0/3054 useless extension candidates. Maximal degree in co-relation 4921. Up to 1610 conditions per place. [2023-08-29 01:43:24,303 INFO L137 encePairwiseOnDemand]: 2702/2707 looper letters, 61 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2023-08-29 01:43:24,303 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 158 transitions, 448 flow [2023-08-29 01:43:24,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:43:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:43:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3690 transitions. [2023-08-29 01:43:24,312 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4543775397118581 [2023-08-29 01:43:24,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3690 transitions. [2023-08-29 01:43:24,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3690 transitions. [2023-08-29 01:43:24,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:24,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3690 transitions. [2023-08-29 01:43:24,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1230.0) internal successors, (3690), 3 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:24,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:24,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:24,339 INFO L175 Difference]: Start difference. First operand has 154 places, 160 transitions, 324 flow. Second operand 3 states and 3690 transitions. [2023-08-29 01:43:24,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 158 transitions, 448 flow [2023-08-29 01:43:24,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 158 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:43:24,342 INFO L231 Difference]: Finished difference. Result has 154 places, 158 transitions, 326 flow [2023-08-29 01:43:24,342 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=154, PETRI_TRANSITIONS=158} [2023-08-29 01:43:24,343 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -70 predicate places. [2023-08-29 01:43:24,343 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 158 transitions, 326 flow [2023-08-29 01:43:24,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1209.0) internal successors, (3627), 3 states have internal predecessors, (3627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:24,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:24,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:43:24,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:43:24,346 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:24,346 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:24,347 INFO L85 PathProgramCache]: Analyzing trace with hash 151705223, now seen corresponding path program 1 times [2023-08-29 01:43:24,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:24,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307965003] [2023-08-29 01:43:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:24,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:24,608 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 01:43:24,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:24,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307965003] [2023-08-29 01:43:24,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307965003] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:24,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:24,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:43:24,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340942294] [2023-08-29 01:43:24,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:24,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:43:24,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:24,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:43:24,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:43:24,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1223 out of 2707 [2023-08-29 01:43:24,641 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 158 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 1224.3333333333333) internal successors, (3673), 3 states have internal predecessors, (3673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:24,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:24,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1223 of 2707 [2023-08-29 01:43:24,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:25,241 INFO L130 PetriNetUnfolder]: 918/3273 cut-off events. [2023-08-29 01:43:25,242 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 01:43:25,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4921 conditions, 3273 events. 918/3273 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24026 event pairs, 909 based on Foata normal form. 0/3054 useless extension candidates. Maximal degree in co-relation 4917. Up to 1609 conditions per place. [2023-08-29 01:43:25,285 INFO L137 encePairwiseOnDemand]: 2704/2707 looper letters, 60 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2023-08-29 01:43:25,286 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 155 transitions, 440 flow [2023-08-29 01:43:25,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:43:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:43:25,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3732 transitions. [2023-08-29 01:43:25,295 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4595493165866273 [2023-08-29 01:43:25,295 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3732 transitions. [2023-08-29 01:43:25,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3732 transitions. [2023-08-29 01:43:25,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:25,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3732 transitions. [2023-08-29 01:43:25,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1244.0) internal successors, (3732), 3 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:25,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:25,319 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:25,319 INFO L175 Difference]: Start difference. First operand has 154 places, 158 transitions, 326 flow. Second operand 3 states and 3732 transitions. [2023-08-29 01:43:25,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 155 transitions, 440 flow [2023-08-29 01:43:25,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 155 transitions, 438 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:43:25,322 INFO L231 Difference]: Finished difference. Result has 154 places, 155 transitions, 318 flow [2023-08-29 01:43:25,323 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=154, PETRI_TRANSITIONS=155} [2023-08-29 01:43:25,323 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -70 predicate places. [2023-08-29 01:43:25,323 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 155 transitions, 318 flow [2023-08-29 01:43:25,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1224.3333333333333) internal successors, (3673), 3 states have internal predecessors, (3673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:25,325 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:25,325 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:43:25,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:43:25,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:25,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:25,326 INFO L85 PathProgramCache]: Analyzing trace with hash 421290585, now seen corresponding path program 1 times [2023-08-29 01:43:25,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:25,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620326430] [2023-08-29 01:43:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:25,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:25,484 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 01:43:25,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:25,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620326430] [2023-08-29 01:43:25,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620326430] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:25,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:25,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:43:25,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844678094] [2023-08-29 01:43:25,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:25,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:43:25,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:25,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:43:25,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:43:25,506 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1214 out of 2707 [2023-08-29 01:43:25,514 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 155 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 1216.0) internal successors, (3648), 3 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:25,514 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:25,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1214 of 2707 [2023-08-29 01:43:25,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:26,095 INFO L130 PetriNetUnfolder]: 1032/3617 cut-off events. [2023-08-29 01:43:26,095 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 01:43:26,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5464 conditions, 3617 events. 1032/3617 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 26698 event pairs, 1023 based on Foata normal form. 0/3386 useless extension candidates. Maximal degree in co-relation 5460. Up to 1803 conditions per place. [2023-08-29 01:43:26,114 INFO L137 encePairwiseOnDemand]: 2703/2707 looper letters, 62 selfloop transitions, 1 changer transitions 0/152 dead transitions. [2023-08-29 01:43:26,114 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 152 transitions, 438 flow [2023-08-29 01:43:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:43:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:43:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3708 transitions. [2023-08-29 01:43:26,123 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45659401551533063 [2023-08-29 01:43:26,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3708 transitions. [2023-08-29 01:43:26,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3708 transitions. [2023-08-29 01:43:26,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:26,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3708 transitions. [2023-08-29 01:43:26,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1236.0) internal successors, (3708), 3 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:26,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:26,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:26,144 INFO L175 Difference]: Start difference. First operand has 154 places, 155 transitions, 318 flow. Second operand 3 states and 3708 transitions. [2023-08-29 01:43:26,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 152 transitions, 438 flow [2023-08-29 01:43:26,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 152 transitions, 437 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:43:26,147 INFO L231 Difference]: Finished difference. Result has 152 places, 152 transitions, 313 flow [2023-08-29 01:43:26,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=152, PETRI_TRANSITIONS=152} [2023-08-29 01:43:26,148 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -72 predicate places. [2023-08-29 01:43:26,148 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 152 transitions, 313 flow [2023-08-29 01:43:26,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1216.0) internal successors, (3648), 3 states have internal predecessors, (3648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:26,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:26,150 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:43:26,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:43:26,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:26,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:26,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1705014330, now seen corresponding path program 1 times [2023-08-29 01:43:26,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:26,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311928493] [2023-08-29 01:43:26,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:26,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:26,280 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 01:43:26,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:26,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311928493] [2023-08-29 01:43:26,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311928493] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:26,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:26,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:43:26,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913499571] [2023-08-29 01:43:26,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:26,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:43:26,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:26,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:43:26,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:43:26,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1193 out of 2707 [2023-08-29 01:43:26,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 152 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 1195.6666666666667) internal successors, (3587), 3 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:26,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:26,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1193 of 2707 [2023-08-29 01:43:26,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:27,501 INFO L130 PetriNetUnfolder]: 1446/4200 cut-off events. [2023-08-29 01:43:27,501 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 01:43:27,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6766 conditions, 4200 events. 1446/4200 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 29505 event pairs, 660 based on Foata normal form. 0/4118 useless extension candidates. Maximal degree in co-relation 6762. Up to 2415 conditions per place. [2023-08-29 01:43:27,517 INFO L137 encePairwiseOnDemand]: 2696/2707 looper letters, 81 selfloop transitions, 3 changer transitions 0/159 dead transitions. [2023-08-29 01:43:27,518 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 159 transitions, 498 flow [2023-08-29 01:43:27,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:43:27,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:43:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3671 transitions. [2023-08-29 01:43:27,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4520379263637483 [2023-08-29 01:43:27,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3671 transitions. [2023-08-29 01:43:27,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3671 transitions. [2023-08-29 01:43:27,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:27,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3671 transitions. [2023-08-29 01:43:27,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1223.6666666666667) internal successors, (3671), 3 states have internal predecessors, (3671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:27,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:27,547 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:27,547 INFO L175 Difference]: Start difference. First operand has 152 places, 152 transitions, 313 flow. Second operand 3 states and 3671 transitions. [2023-08-29 01:43:27,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 159 transitions, 498 flow [2023-08-29 01:43:27,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 159 transitions, 497 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:43:27,553 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 313 flow [2023-08-29 01:43:27,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2023-08-29 01:43:27,556 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -78 predicate places. [2023-08-29 01:43:27,556 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 313 flow [2023-08-29 01:43:27,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1195.6666666666667) internal successors, (3587), 3 states have internal predecessors, (3587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:27,557 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:27,557 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:43:27,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:43:27,558 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 120 more)] === [2023-08-29 01:43:27,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:27,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1516923801, now seen corresponding path program 1 times [2023-08-29 01:43:27,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:27,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383733642] [2023-08-29 01:43:27,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:27,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:27,889 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 01:43:27,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:27,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383733642] [2023-08-29 01:43:27,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383733642] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:27,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:27,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:43:27,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718871913] [2023-08-29 01:43:27,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:27,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:43:27,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:27,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:43:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:43:28,152 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1204 out of 2707 [2023-08-29 01:43:28,154 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 1207.6666666666667) internal successors, (3623), 3 states have internal predecessors, (3623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:28,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:28,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1204 of 2707 [2023-08-29 01:43:28,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:29,497 INFO L130 PetriNetUnfolder]: 1236/3942 cut-off events. [2023-08-29 01:43:29,497 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2023-08-29 01:43:29,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6306 conditions, 3942 events. 1236/3942 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 28794 event pairs, 414 based on Foata normal form. 0/3815 useless extension candidates. Maximal degree in co-relation 6302. Up to 1210 conditions per place. [2023-08-29 01:43:29,513 INFO L137 encePairwiseOnDemand]: 2699/2707 looper letters, 94 selfloop transitions, 6 changer transitions 0/179 dead transitions. [2023-08-29 01:43:29,513 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 179 transitions, 587 flow [2023-08-29 01:43:29,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:43:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:43:29,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3711 transitions. [2023-08-29 01:43:29,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4569634281492427 [2023-08-29 01:43:29,522 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3711 transitions. [2023-08-29 01:43:29,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3711 transitions. [2023-08-29 01:43:29,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:29,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3711 transitions. [2023-08-29 01:43:29,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1237.0) internal successors, (3711), 3 states have internal predecessors, (3711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:29,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:29,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:29,543 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 313 flow. Second operand 3 states and 3711 transitions. [2023-08-29 01:43:29,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 179 transitions, 587 flow [2023-08-29 01:43:29,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 179 transitions, 587 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:43:29,547 INFO L231 Difference]: Finished difference. Result has 150 places, 151 transitions, 361 flow [2023-08-29 01:43:29,547 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=150, PETRI_TRANSITIONS=151} [2023-08-29 01:43:29,550 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -74 predicate places. [2023-08-29 01:43:29,550 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 151 transitions, 361 flow [2023-08-29 01:43:29,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1207.6666666666667) internal successors, (3623), 3 states have internal predecessors, (3623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:29,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:29,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:43:29,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:43:29,552 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:29,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:29,552 INFO L85 PathProgramCache]: Analyzing trace with hash -100079613, now seen corresponding path program 1 times [2023-08-29 01:43:29,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:29,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115650668] [2023-08-29 01:43:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:30,368 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 01:43:30,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:30,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115650668] [2023-08-29 01:43:30,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115650668] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:30,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:30,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:43:30,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580084302] [2023-08-29 01:43:30,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:30,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:43:30,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:30,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:43:30,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:43:31,113 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1205 out of 2707 [2023-08-29 01:43:31,118 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 151 transitions, 361 flow. Second operand has 6 states, 6 states have (on average 1207.0) internal successors, (7242), 6 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:31,118 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:31,118 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1205 of 2707 [2023-08-29 01:43:31,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:32,753 INFO L130 PetriNetUnfolder]: 5765/12243 cut-off events. [2023-08-29 01:43:32,753 INFO L131 PetriNetUnfolder]: For 1469/1761 co-relation queries the response was YES. [2023-08-29 01:43:32,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23218 conditions, 12243 events. 5765/12243 cut-off events. For 1469/1761 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 100156 event pairs, 1750 based on Foata normal form. 127/11816 useless extension candidates. Maximal degree in co-relation 23212. Up to 4049 conditions per place. [2023-08-29 01:43:32,863 INFO L137 encePairwiseOnDemand]: 2699/2707 looper letters, 214 selfloop transitions, 21 changer transitions 0/313 dead transitions. [2023-08-29 01:43:32,863 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 313 transitions, 1292 flow [2023-08-29 01:43:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:43:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:43:32,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7436 transitions. [2023-08-29 01:43:32,882 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4578253909617042 [2023-08-29 01:43:32,882 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7436 transitions. [2023-08-29 01:43:32,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7436 transitions. [2023-08-29 01:43:32,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:32,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7436 transitions. [2023-08-29 01:43:32,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1239.3333333333333) internal successors, (7436), 6 states have internal predecessors, (7436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:32,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:32,917 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:32,918 INFO L175 Difference]: Start difference. First operand has 150 places, 151 transitions, 361 flow. Second operand 6 states and 7436 transitions. [2023-08-29 01:43:32,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 313 transitions, 1292 flow [2023-08-29 01:43:32,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 313 transitions, 1248 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:43:32,928 INFO L231 Difference]: Finished difference. Result has 158 places, 171 transitions, 523 flow [2023-08-29 01:43:32,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=523, PETRI_PLACES=158, PETRI_TRANSITIONS=171} [2023-08-29 01:43:32,929 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -66 predicate places. [2023-08-29 01:43:32,929 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 171 transitions, 523 flow [2023-08-29 01:43:32,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1207.0) internal successors, (7242), 6 states have internal predecessors, (7242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:32,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:32,932 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:43:32,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:43:32,932 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:32,933 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:32,933 INFO L85 PathProgramCache]: Analyzing trace with hash -49902902, now seen corresponding path program 1 times [2023-08-29 01:43:32,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:32,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404725620] [2023-08-29 01:43:32,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:32,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:33,758 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 01:43:33,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:33,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404725620] [2023-08-29 01:43:33,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404725620] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:33,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:33,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:43:33,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030369171] [2023-08-29 01:43:33,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:33,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:43:33,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:33,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:43:33,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:43:34,579 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1186 out of 2707 [2023-08-29 01:43:34,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 171 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 1188.0) internal successors, (7128), 6 states have internal predecessors, (7128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:34,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:34,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1186 of 2707 [2023-08-29 01:43:34,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:36,536 INFO L130 PetriNetUnfolder]: 3772/10324 cut-off events. [2023-08-29 01:43:36,536 INFO L131 PetriNetUnfolder]: For 2161/2500 co-relation queries the response was YES. [2023-08-29 01:43:36,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19708 conditions, 10324 events. 3772/10324 cut-off events. For 2161/2500 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 92703 event pairs, 1096 based on Foata normal form. 68/9979 useless extension candidates. Maximal degree in co-relation 19698. Up to 3399 conditions per place. [2023-08-29 01:43:36,597 INFO L137 encePairwiseOnDemand]: 2681/2707 looper letters, 191 selfloop transitions, 50 changer transitions 0/309 dead transitions. [2023-08-29 01:43:36,597 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 309 transitions, 1453 flow [2023-08-29 01:43:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:43:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:43:36,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7319 transitions. [2023-08-29 01:43:36,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45062184460041865 [2023-08-29 01:43:36,611 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7319 transitions. [2023-08-29 01:43:36,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7319 transitions. [2023-08-29 01:43:36,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:36,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7319 transitions. [2023-08-29 01:43:36,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1219.8333333333333) internal successors, (7319), 6 states have internal predecessors, (7319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:36,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:36,643 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:36,643 INFO L175 Difference]: Start difference. First operand has 158 places, 171 transitions, 523 flow. Second operand 6 states and 7319 transitions. [2023-08-29 01:43:36,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 309 transitions, 1453 flow [2023-08-29 01:43:36,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 309 transitions, 1453 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:43:36,654 INFO L231 Difference]: Finished difference. Result has 168 places, 215 transitions, 1017 flow [2023-08-29 01:43:36,654 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1017, PETRI_PLACES=168, PETRI_TRANSITIONS=215} [2023-08-29 01:43:36,656 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -56 predicate places. [2023-08-29 01:43:36,656 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 215 transitions, 1017 flow [2023-08-29 01:43:36,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1188.0) internal successors, (7128), 6 states have internal predecessors, (7128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:36,658 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:36,658 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:43:36,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:43:36,660 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 120 more)] === [2023-08-29 01:43:36,661 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash -731325450, now seen corresponding path program 1 times [2023-08-29 01:43:36,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:36,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458700493] [2023-08-29 01:43:36,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:36,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:37,627 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 01:43:37,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:37,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458700493] [2023-08-29 01:43:37,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458700493] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:37,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:37,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:43:37,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771737691] [2023-08-29 01:43:37,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:37,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:43:37,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:37,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:43:37,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:43:38,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1186 out of 2707 [2023-08-29 01:43:38,278 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 215 transitions, 1017 flow. Second operand has 6 states, 6 states have (on average 1188.8333333333333) internal successors, (7133), 6 states have internal predecessors, (7133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:38,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:38,278 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1186 of 2707 [2023-08-29 01:43:38,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:40,486 INFO L130 PetriNetUnfolder]: 4444/12436 cut-off events. [2023-08-29 01:43:40,486 INFO L131 PetriNetUnfolder]: For 6341/6915 co-relation queries the response was YES. [2023-08-29 01:43:40,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25591 conditions, 12436 events. 4444/12436 cut-off events. For 6341/6915 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 118787 event pairs, 1094 based on Foata normal form. 90/12118 useless extension candidates. Maximal degree in co-relation 25576. Up to 3834 conditions per place. [2023-08-29 01:43:40,577 INFO L137 encePairwiseOnDemand]: 2681/2707 looper letters, 188 selfloop transitions, 70 changer transitions 0/341 dead transitions. [2023-08-29 01:43:40,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 341 transitions, 2049 flow [2023-08-29 01:43:40,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:43:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:43:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7307 transitions. [2023-08-29 01:43:40,592 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4498830193325945 [2023-08-29 01:43:40,592 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7307 transitions. [2023-08-29 01:43:40,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7307 transitions. [2023-08-29 01:43:40,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:40,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7307 transitions. [2023-08-29 01:43:40,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1217.8333333333333) internal successors, (7307), 6 states have internal predecessors, (7307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:40,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:40,622 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:40,623 INFO L175 Difference]: Start difference. First operand has 168 places, 215 transitions, 1017 flow. Second operand 6 states and 7307 transitions. [2023-08-29 01:43:40,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 341 transitions, 2049 flow [2023-08-29 01:43:40,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 341 transitions, 2049 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:43:40,641 INFO L231 Difference]: Finished difference. Result has 178 places, 259 transitions, 1671 flow [2023-08-29 01:43:40,642 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1671, PETRI_PLACES=178, PETRI_TRANSITIONS=259} [2023-08-29 01:43:40,643 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -46 predicate places. [2023-08-29 01:43:40,643 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 259 transitions, 1671 flow [2023-08-29 01:43:40,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1188.8333333333333) internal successors, (7133), 6 states have internal predecessors, (7133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:40,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:40,644 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 01:43:40,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:43:40,645 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:40,645 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:40,645 INFO L85 PathProgramCache]: Analyzing trace with hash -635438716, now seen corresponding path program 1 times [2023-08-29 01:43:40,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:40,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153817259] [2023-08-29 01:43:40,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:40,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:40,986 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 01:43:40,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:40,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153817259] [2023-08-29 01:43:40,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153817259] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:40,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:40,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:43:40,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952520020] [2023-08-29 01:43:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:40,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:43:40,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:40,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:43:40,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:43:41,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 2707 [2023-08-29 01:43:41,176 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 259 transitions, 1671 flow. Second operand has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:41,176 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:41,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 2707 [2023-08-29 01:43:41,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:46,506 INFO L130 PetriNetUnfolder]: 25550/46484 cut-off events. [2023-08-29 01:43:46,507 INFO L131 PetriNetUnfolder]: For 47561/47958 co-relation queries the response was YES. [2023-08-29 01:43:46,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129776 conditions, 46484 events. 25550/46484 cut-off events. For 47561/47958 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 363452 event pairs, 19590 based on Foata normal form. 0/44890 useless extension candidates. Maximal degree in co-relation 129756. Up to 40878 conditions per place. [2023-08-29 01:43:46,834 INFO L137 encePairwiseOnDemand]: 2680/2707 looper letters, 205 selfloop transitions, 67 changer transitions 0/311 dead transitions. [2023-08-29 01:43:46,834 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 311 transitions, 2437 flow [2023-08-29 01:43:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:43:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:43:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3578 transitions. [2023-08-29 01:43:46,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4405861347124738 [2023-08-29 01:43:46,840 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3578 transitions. [2023-08-29 01:43:46,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3578 transitions. [2023-08-29 01:43:46,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:46,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3578 transitions. [2023-08-29 01:43:46,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1192.6666666666667) internal successors, (3578), 3 states have internal predecessors, (3578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:46,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:46,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:46,947 INFO L175 Difference]: Start difference. First operand has 178 places, 259 transitions, 1671 flow. Second operand 3 states and 3578 transitions. [2023-08-29 01:43:46,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 311 transitions, 2437 flow [2023-08-29 01:43:47,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 311 transitions, 2437 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:43:47,255 INFO L231 Difference]: Finished difference. Result has 181 places, 291 transitions, 2096 flow [2023-08-29 01:43:47,255 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=1671, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=181, PETRI_TRANSITIONS=291} [2023-08-29 01:43:47,255 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -43 predicate places. [2023-08-29 01:43:47,256 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 291 transitions, 2096 flow [2023-08-29 01:43:47,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:47,256 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:47,257 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:43:47,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:43:47,257 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_setErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:47,257 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:47,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1880292366, now seen corresponding path program 1 times [2023-08-29 01:43:47,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:47,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182262438] [2023-08-29 01:43:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:43:47,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:47,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182262438] [2023-08-29 01:43:47,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182262438] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:47,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:47,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:43:47,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124287443] [2023-08-29 01:43:47,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:47,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:43:47,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:47,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:43:47,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:43:47,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1207 out of 2707 [2023-08-29 01:43:47,867 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 291 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1213.6666666666667) internal successors, (3641), 3 states have internal predecessors, (3641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:47,867 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:47,867 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1207 of 2707 [2023-08-29 01:43:47,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:43:49,720 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][302], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), 1278#true, Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1283#true, 1233#(= |#race~pc8736x_gpio_base~0| 0), 1242#true, Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 01:43:49,721 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2023-08-29 01:43:49,721 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-08-29 01:43:49,721 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-08-29 01:43:49,721 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-08-29 01:43:49,799 INFO L130 PetriNetUnfolder]: 5234/14225 cut-off events. [2023-08-29 01:43:49,799 INFO L131 PetriNetUnfolder]: For 20094/22356 co-relation queries the response was YES. [2023-08-29 01:43:49,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38030 conditions, 14225 events. 5234/14225 cut-off events. For 20094/22356 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 131137 event pairs, 1857 based on Foata normal form. 803/14378 useless extension candidates. Maximal degree in co-relation 38008. Up to 4833 conditions per place. [2023-08-29 01:43:49,885 INFO L137 encePairwiseOnDemand]: 2703/2707 looper letters, 175 selfloop transitions, 17 changer transitions 0/335 dead transitions. [2023-08-29 01:43:49,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 335 transitions, 2757 flow [2023-08-29 01:43:49,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:43:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:43:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3709 transitions. [2023-08-29 01:43:49,893 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45671715305996796 [2023-08-29 01:43:49,893 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3709 transitions. [2023-08-29 01:43:49,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3709 transitions. [2023-08-29 01:43:49,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:43:49,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3709 transitions. [2023-08-29 01:43:49,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1236.3333333333333) internal successors, (3709), 3 states have internal predecessors, (3709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:49,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:49,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:49,905 INFO L175 Difference]: Start difference. First operand has 181 places, 291 transitions, 2096 flow. Second operand 3 states and 3709 transitions. [2023-08-29 01:43:49,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 335 transitions, 2757 flow [2023-08-29 01:43:50,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 335 transitions, 2660 flow, removed 15 selfloop flow, removed 1 redundant places. [2023-08-29 01:43:50,041 INFO L231 Difference]: Finished difference. Result has 184 places, 307 transitions, 2285 flow [2023-08-29 01:43:50,042 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=1999, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2285, PETRI_PLACES=184, PETRI_TRANSITIONS=307} [2023-08-29 01:43:50,042 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -40 predicate places. [2023-08-29 01:43:50,042 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 307 transitions, 2285 flow [2023-08-29 01:43:50,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1213.6666666666667) internal successors, (3641), 3 states have internal predecessors, (3641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:50,043 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:43:50,043 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] [2023-08-29 01:43:50,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:43:50,044 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:43:50,044 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:43:50,044 INFO L85 PathProgramCache]: Analyzing trace with hash 593209329, now seen corresponding path program 1 times [2023-08-29 01:43:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:43:50,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557026354] [2023-08-29 01:43:50,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:43:50,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:43:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:43:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:43:54,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:43:54,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557026354] [2023-08-29 01:43:54,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557026354] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:43:54,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:43:54,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:43:54,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600962034] [2023-08-29 01:43:54,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:43:54,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 01:43:54,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:43:54,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 01:43:54,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 01:43:55,010 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1129 out of 2707 [2023-08-29 01:43:55,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 307 transitions, 2285 flow. Second operand has 7 states, 7 states have (on average 1134.4285714285713) internal successors, (7941), 7 states have internal predecessors, (7941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:43:55,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:43:55,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1129 of 2707 [2023-08-29 01:43:55,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:44:01,389 INFO L130 PetriNetUnfolder]: 25755/46806 cut-off events. [2023-08-29 01:44:01,389 INFO L131 PetriNetUnfolder]: For 70643/71171 co-relation queries the response was YES. [2023-08-29 01:44:01,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147964 conditions, 46806 events. 25755/46806 cut-off events. For 70643/71171 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 364606 event pairs, 19532 based on Foata normal form. 16/45379 useless extension candidates. Maximal degree in co-relation 147941. Up to 40610 conditions per place. [2023-08-29 01:44:01,718 INFO L137 encePairwiseOnDemand]: 2681/2707 looper letters, 227 selfloop transitions, 100 changer transitions 0/366 dead transitions. [2023-08-29 01:44:01,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 366 transitions, 3315 flow [2023-08-29 01:44:01,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:44:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:44:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5797 transitions. [2023-08-29 01:44:01,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4282970077576653 [2023-08-29 01:44:01,728 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5797 transitions. [2023-08-29 01:44:01,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5797 transitions. [2023-08-29 01:44:01,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:44:01,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5797 transitions. [2023-08-29 01:44:01,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1159.4) internal successors, (5797), 5 states have internal predecessors, (5797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:01,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2707.0) internal successors, (16242), 6 states have internal predecessors, (16242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:01,745 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2707.0) internal successors, (16242), 6 states have internal predecessors, (16242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:01,745 INFO L175 Difference]: Start difference. First operand has 184 places, 307 transitions, 2285 flow. Second operand 5 states and 5797 transitions. [2023-08-29 01:44:01,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 366 transitions, 3315 flow [2023-08-29 01:44:02,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 366 transitions, 3271 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-08-29 01:44:02,065 INFO L231 Difference]: Finished difference. Result has 187 places, 341 transitions, 2890 flow [2023-08-29 01:44:02,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2241, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2890, PETRI_PLACES=187, PETRI_TRANSITIONS=341} [2023-08-29 01:44:02,066 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2023-08-29 01:44:02,067 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 341 transitions, 2890 flow [2023-08-29 01:44:02,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1134.4285714285713) internal successors, (7941), 7 states have internal predecessors, (7941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:02,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:44:02,068 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 01:44:02,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:44:02,068 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:44:02,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:44:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1283428059, now seen corresponding path program 1 times [2023-08-29 01:44:02,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:44:02,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929817421] [2023-08-29 01:44:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:44:02,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:44:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:44:02,737 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 01:44:02,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:44:02,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929817421] [2023-08-29 01:44:02,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929817421] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:44:02,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:44:02,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:44:02,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240651569] [2023-08-29 01:44:02,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:44:02,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:44:02,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:44:02,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:44:02,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:44:02,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1219 out of 2707 [2023-08-29 01:44:02,799 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 341 transitions, 2890 flow. Second operand has 3 states, 3 states have (on average 1226.3333333333333) internal successors, (3679), 3 states have internal predecessors, (3679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:02,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:44:02,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1219 of 2707 [2023-08-29 01:44:02,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:44:05,272 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][308], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, 147#L7070-6true, Black: 1231#true, 1221#(= |#race~pdev~0| 0), 1293#(not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1298#true, Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), 1242#true, Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 01:44:05,272 INFO L383 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2023-08-29 01:44:05,273 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-08-29 01:44:05,273 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-08-29 01:44:05,273 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-08-29 01:44:05,349 INFO L130 PetriNetUnfolder]: 5001/14118 cut-off events. [2023-08-29 01:44:05,350 INFO L131 PetriNetUnfolder]: For 27760/30913 co-relation queries the response was YES. [2023-08-29 01:44:05,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42383 conditions, 14118 events. 5001/14118 cut-off events. For 27760/30913 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 132671 event pairs, 2300 based on Foata normal form. 915/14414 useless extension candidates. Maximal degree in co-relation 42359. Up to 6098 conditions per place. [2023-08-29 01:44:05,439 INFO L137 encePairwiseOnDemand]: 2703/2707 looper letters, 172 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2023-08-29 01:44:05,439 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 342 transitions, 3240 flow [2023-08-29 01:44:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:44:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:44:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3721 transitions. [2023-08-29 01:44:05,575 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4581948035956163 [2023-08-29 01:44:05,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3721 transitions. [2023-08-29 01:44:05,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3721 transitions. [2023-08-29 01:44:05,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:44:05,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3721 transitions. [2023-08-29 01:44:05,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1240.3333333333333) internal successors, (3721), 3 states have internal predecessors, (3721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:05,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:05,590 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:05,590 INFO L175 Difference]: Start difference. First operand has 187 places, 341 transitions, 2890 flow. Second operand 3 states and 3721 transitions. [2023-08-29 01:44:05,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 342 transitions, 3240 flow [2023-08-29 01:44:05,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 342 transitions, 3093 flow, removed 22 selfloop flow, removed 3 redundant places. [2023-08-29 01:44:05,692 INFO L231 Difference]: Finished difference. Result has 187 places, 342 transitions, 2757 flow [2023-08-29 01:44:05,692 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2743, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2757, PETRI_PLACES=187, PETRI_TRANSITIONS=342} [2023-08-29 01:44:05,692 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2023-08-29 01:44:05,693 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 342 transitions, 2757 flow [2023-08-29 01:44:05,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1226.3333333333333) internal successors, (3679), 3 states have internal predecessors, (3679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:05,693 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:44:05,693 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:05,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:44:05,694 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:44:05,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:44:05,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1912900303, now seen corresponding path program 1 times [2023-08-29 01:44:05,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:44:05,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43411056] [2023-08-29 01:44:05,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:44:05,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:44:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:44:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:06,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:44:06,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43411056] [2023-08-29 01:44:06,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43411056] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:44:06,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249948939] [2023-08-29 01:44:06,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:44:06,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:44:06,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:44:06,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:44:06,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 01:44:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:44:07,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 9 conjunts are in the unsatisfiable core [2023-08-29 01:44:07,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:44:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:07,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:44:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:07,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249948939] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:44:07,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:44:07,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-29 01:44:07,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248175860] [2023-08-29 01:44:07,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:44:07,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:44:07,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:44:07,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:44:07,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:44:07,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 01:44:07,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 342 transitions, 2757 flow. Second operand has 8 states, 8 states have (on average 1218.625) internal successors, (9749), 8 states have internal predecessors, (9749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:07,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:44:07,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 01:44:07,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:44:10,028 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][313], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1300#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 0) (<= (div |ULTIMATE.start_external_alloc_~size#1| 4294967296) 0) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1303#true, 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1298#true, Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), 1242#true, Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 01:44:10,029 INFO L383 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2023-08-29 01:44:10,029 INFO L386 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-08-29 01:44:10,029 INFO L386 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-08-29 01:44:10,029 INFO L386 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-08-29 01:44:10,108 INFO L130 PetriNetUnfolder]: 5003/14135 cut-off events. [2023-08-29 01:44:10,109 INFO L131 PetriNetUnfolder]: For 24767/27916 co-relation queries the response was YES. [2023-08-29 01:44:10,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41551 conditions, 14135 events. 5003/14135 cut-off events. For 24767/27916 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 132861 event pairs, 2302 based on Foata normal form. 911/14426 useless extension candidates. Maximal degree in co-relation 41526. Up to 6098 conditions per place. [2023-08-29 01:44:10,190 INFO L137 encePairwiseOnDemand]: 2700/2707 looper letters, 171 selfloop transitions, 8 changer transitions 0/347 dead transitions. [2023-08-29 01:44:10,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 347 transitions, 3131 flow [2023-08-29 01:44:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:44:10,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:44:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7365 transitions. [2023-08-29 01:44:10,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4534540081270779 [2023-08-29 01:44:10,202 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7365 transitions. [2023-08-29 01:44:10,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7365 transitions. [2023-08-29 01:44:10,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:44:10,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7365 transitions. [2023-08-29 01:44:10,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1227.5) internal successors, (7365), 6 states have internal predecessors, (7365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:10,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:10,221 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:10,222 INFO L175 Difference]: Start difference. First operand has 187 places, 342 transitions, 2757 flow. Second operand 6 states and 7365 transitions. [2023-08-29 01:44:10,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 347 transitions, 3131 flow [2023-08-29 01:44:10,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 347 transitions, 3127 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 01:44:10,437 INFO L231 Difference]: Finished difference. Result has 194 places, 347 transitions, 2815 flow [2023-08-29 01:44:10,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2753, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2815, PETRI_PLACES=194, PETRI_TRANSITIONS=347} [2023-08-29 01:44:10,438 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-08-29 01:44:10,438 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 347 transitions, 2815 flow [2023-08-29 01:44:10,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1218.625) internal successors, (9749), 8 states have internal predecessors, (9749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:10,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:44:10,443 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:10,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 01:44:10,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-08-29 01:44:10,649 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:44:10,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:44:10,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1049242461, now seen corresponding path program 2 times [2023-08-29 01:44:10,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:44:10,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502159048] [2023-08-29 01:44:10,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:44:10,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:44:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:44:11,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:11,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:44:11,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502159048] [2023-08-29 01:44:11,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502159048] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:44:11,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094528091] [2023-08-29 01:44:11,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 01:44:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:44:11,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:44:11,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:44:11,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 01:44:14,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-29 01:44:14,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 01:44:14,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-29 01:44:14,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:44:14,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:14,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:44:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:14,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094528091] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:44:14,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:44:14,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2023-08-29 01:44:14,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957433452] [2023-08-29 01:44:14,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:44:14,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-08-29 01:44:14,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:44:14,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-08-29 01:44:14,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-08-29 01:44:15,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 01:44:15,425 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 347 transitions, 2815 flow. Second operand has 16 states, 16 states have (on average 1217.3125) internal successors, (19477), 16 states have internal predecessors, (19477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:15,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:44:15,426 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 01:44:15,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:44:18,905 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][322], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), 1617#true, Black: 1612#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1314#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 1) (= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1606#(< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1300#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 0) (<= (div |ULTIMATE.start_external_alloc_~size#1| 4294967296) 0) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1303#true, 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1242#true, Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 01:44:18,905 INFO L383 tUnfolder$Statistics]: this new event has 105 ancestors and is cut-off event [2023-08-29 01:44:18,905 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-08-29 01:44:18,905 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-08-29 01:44:18,905 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-08-29 01:44:18,985 INFO L130 PetriNetUnfolder]: 5003/14144 cut-off events. [2023-08-29 01:44:18,985 INFO L131 PetriNetUnfolder]: For 24791/27940 co-relation queries the response was YES. [2023-08-29 01:44:19,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41608 conditions, 14144 events. 5003/14144 cut-off events. For 24791/27940 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 132975 event pairs, 2302 based on Foata normal form. 920/14446 useless extension candidates. Maximal degree in co-relation 41580. Up to 6098 conditions per place. [2023-08-29 01:44:19,062 INFO L137 encePairwiseOnDemand]: 2700/2707 looper letters, 171 selfloop transitions, 17 changer transitions 0/356 dead transitions. [2023-08-29 01:44:19,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 356 transitions, 3239 flow [2023-08-29 01:44:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 01:44:19,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 01:44:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14671 transitions. [2023-08-29 01:44:19,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4516377293436769 [2023-08-29 01:44:19,072 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 14671 transitions. [2023-08-29 01:44:19,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14671 transitions. [2023-08-29 01:44:19,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:44:19,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 14671 transitions. [2023-08-29 01:44:19,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 1222.5833333333333) internal successors, (14671), 12 states have internal predecessors, (14671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:19,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 2707.0) internal successors, (35191), 13 states have internal predecessors, (35191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:19,105 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 2707.0) internal successors, (35191), 13 states have internal predecessors, (35191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:19,105 INFO L175 Difference]: Start difference. First operand has 194 places, 347 transitions, 2815 flow. Second operand 12 states and 14671 transitions. [2023-08-29 01:44:19,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 356 transitions, 3239 flow [2023-08-29 01:44:19,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 356 transitions, 3229 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-29 01:44:19,163 INFO L231 Difference]: Finished difference. Result has 210 places, 356 transitions, 2943 flow [2023-08-29 01:44:19,163 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2805, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2943, PETRI_PLACES=210, PETRI_TRANSITIONS=356} [2023-08-29 01:44:19,164 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -14 predicate places. [2023-08-29 01:44:19,164 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 356 transitions, 2943 flow [2023-08-29 01:44:19,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1217.3125) internal successors, (19477), 16 states have internal predecessors, (19477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:19,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:44:19,166 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:19,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-29 01:44:19,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-08-29 01:44:19,367 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:44:19,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:44:19,367 INFO L85 PathProgramCache]: Analyzing trace with hash -866858845, now seen corresponding path program 3 times [2023-08-29 01:44:19,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:44:19,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246023779] [2023-08-29 01:44:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:44:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:44:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:44:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:20,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:44:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246023779] [2023-08-29 01:44:20,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246023779] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:44:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65349655] [2023-08-29 01:44:20,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-29 01:44:20,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:44:20,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:44:20,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:44:20,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 01:44:44,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-29 01:44:44,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 01:44:44,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 38 conjunts are in the unsatisfiable core [2023-08-29 01:44:44,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:44:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:44,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:44:45,099 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:44:45,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65349655] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:44:45,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:44:45,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2023-08-29 01:44:45,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376163418] [2023-08-29 01:44:45,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:44:45,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-08-29 01:44:45,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:44:45,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-08-29 01:44:45,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=797, Unknown=0, NotChecked=0, Total=1122 [2023-08-29 01:44:50,577 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 01:44:50,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 356 transitions, 2943 flow. Second operand has 34 states, 34 states have (on average 1216.6176470588234) internal successors, (41365), 34 states have internal predecessors, (41365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:44:50,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:44:50,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 01:44:50,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:45:06,818 WARN L222 SmtUtils]: Spent 11.01s on a formula simplification. DAG size of input: 67 DAG size of output: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 01:45:18,709 WARN L222 SmtUtils]: Spent 8.85s on a formula simplification. DAG size of input: 61 DAG size of output: 43 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 01:45:43,237 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][340], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), 1617#true, Black: 1612#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1314#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 1) (= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1606#(< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 2375#(and (or (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296))) (or (< (mod (+ 9 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296))) (or (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod (+ 9 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296)))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1300#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 0) (<= (div |ULTIMATE.start_external_alloc_~size#1| 4294967296) 0) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1954#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 2 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 3 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1934#(< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)), 1303#true, Black: 1642#(and (<= |ULTIMATE.start_external_alloc_~size#1| 109) (= |ULTIMATE.start_external_alloc_~i~0#1| 4) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1952#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 2 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 3 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), 1266#true, Black: 1958#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1956#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 2 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1242#true, Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 01:45:43,237 INFO L383 tUnfolder$Statistics]: this new event has 117 ancestors and is cut-off event [2023-08-29 01:45:43,237 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-08-29 01:45:43,237 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-08-29 01:45:43,237 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-08-29 01:45:43,325 INFO L130 PetriNetUnfolder]: 5003/14162 cut-off events. [2023-08-29 01:45:43,325 INFO L131 PetriNetUnfolder]: For 25299/28448 co-relation queries the response was YES. [2023-08-29 01:45:43,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41739 conditions, 14162 events. 5003/14162 cut-off events. For 25299/28448 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 133087 event pairs, 2302 based on Foata normal form. 929/14473 useless extension candidates. Maximal degree in co-relation 41704. Up to 6093 conditions per place. [2023-08-29 01:45:43,411 INFO L137 encePairwiseOnDemand]: 2700/2707 looper letters, 168 selfloop transitions, 38 changer transitions 0/374 dead transitions. [2023-08-29 01:45:43,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 374 transitions, 3487 flow [2023-08-29 01:45:43,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-29 01:45:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-29 01:45:43,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30499 transitions. [2023-08-29 01:45:43,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45066863686738085 [2023-08-29 01:45:43,430 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 30499 transitions. [2023-08-29 01:45:43,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30499 transitions. [2023-08-29 01:45:43,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:45:43,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 30499 transitions. [2023-08-29 01:45:43,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 1219.96) internal successors, (30499), 25 states have internal predecessors, (30499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:45:43,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 2707.0) internal successors, (70382), 26 states have internal predecessors, (70382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:45:43,513 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 2707.0) internal successors, (70382), 26 states have internal predecessors, (70382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:45:43,513 INFO L175 Difference]: Start difference. First operand has 210 places, 356 transitions, 2943 flow. Second operand 25 states and 30499 transitions. [2023-08-29 01:45:43,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 374 transitions, 3487 flow [2023-08-29 01:45:43,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 374 transitions, 3411 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-08-29 01:45:43,590 INFO L231 Difference]: Finished difference. Result has 232 places, 374 transitions, 3079 flow [2023-08-29 01:45:43,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2903, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3079, PETRI_PLACES=232, PETRI_TRANSITIONS=374} [2023-08-29 01:45:43,591 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, 8 predicate places. [2023-08-29 01:45:43,591 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 374 transitions, 3079 flow [2023-08-29 01:45:43,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1216.6176470588234) internal successors, (41365), 34 states have internal predecessors, (41365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:45:43,597 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:45:43,597 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:45:43,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 01:45:43,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:45:43,813 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 01:45:43,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:45:43,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1045450479, now seen corresponding path program 4 times [2023-08-29 01:45:43,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:45:43,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175325339] [2023-08-29 01:45:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:45:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:45:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:45:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:45:45,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:45:45,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175325339] [2023-08-29 01:45:45,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175325339] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:45:45,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934753383] [2023-08-29 01:45:45,917 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-29 01:45:45,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:45:45,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:45:45,921 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:45:45,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-29 01:45:49,688 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-29 01:45:49,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 01:45:49,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-29 01:45:49,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:45:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:45:50,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:45:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:45:51,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934753383] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:45:51,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:45:51,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2023-08-29 01:45:51,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731899150] [2023-08-29 01:45:51,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:45:51,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-08-29 01:45:51,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:45:51,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-08-29 01:45:51,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1174, Invalid=3656, Unknown=0, NotChecked=0, Total=4830 [2023-08-29 01:46:01,630 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 01:46:01,668 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 374 transitions, 3079 flow. Second operand has 70 states, 70 states have (on average 1216.3) internal successors, (85141), 70 states have internal predecessors, (85141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:46:01,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:46:01,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 01:46:01,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:47:52,427 WARN L222 SmtUtils]: Spent 1.05m on a formula simplification that was a NOOP. DAG size: 95 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 01:47:54,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 01:47:56,447 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 01:47:58,456 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 01:48:47,431 WARN L222 SmtUtils]: Spent 23.05s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15