./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.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 851106f2567c562a13ee43b8e8fe7cdbbfa2cb6fa414a1f64a1bc4b82171765c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:19:25,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:19:25,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:19:25,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:19:25,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:19:25,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:19:25,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:19:25,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:19:25,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:19:25,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:19:25,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:19:25,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:19:25,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:19:25,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:19:25,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:19:25,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:19:25,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:19:25,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:19:25,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:19:25,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:19:25,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:19:25,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:19:25,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:19:25,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:19:25,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:19:25,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:19:25,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:19:25,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:19:25,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:19:25,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:19:25,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:19:25,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:19:25,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:19:25,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:19:25,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:19:25,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:19:25,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:19:25,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:19:25,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:19:25,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:19:25,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:19:25,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:19:25,683 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:19:25,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:19:25,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:19:25,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:19:25,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:19:25,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:19:25,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:19:25,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:19:25,686 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:19:25,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:19:25,687 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:19:25,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:19:25,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:19:25,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:19:25,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:19:25,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:19:25,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:19:25,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:19:25,688 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:19:25,688 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:19:25,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:19:25,689 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:19:25,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:19:25,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:19:25,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:19:25,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:19:25,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:19:25,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:19:25,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:19:25,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:19:25,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:19:25,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:19:25,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:19:25,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:19:25,691 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:19:25,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:19:25,691 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:19:25,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 851106f2567c562a13ee43b8e8fe7cdbbfa2cb6fa414a1f64a1bc4b82171765c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:19:25,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:19:25,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:19:25,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:19:25,962 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:19:25,963 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:19:25,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-08-29 17:19:26,897 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:19:27,280 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:19:27,281 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-08-29 17:19:27,308 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8df09a194/b67751b3839b44cca4a0fb1e5d1b8825/FLAG1b1578fea [2023-08-29 17:19:27,316 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8df09a194/b67751b3839b44cca4a0fb1e5d1b8825 [2023-08-29 17:19:27,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:19:27,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:19:27,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:19:27,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:19:27,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:19:27,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:19:27" (1/1) ... [2023-08-29 17:19:27,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51660ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:27, skipping insertion in model container [2023-08-29 17:19:27,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:19:27" (1/1) ... [2023-08-29 17:19:27,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:19:27,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:19:27,600 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i[5469,5482] [2023-08-29 17:19:29,688 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:19:30,086 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:19:30,086 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:19:30,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:19:30,144 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:19:30,170 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i[5469,5482] [2023-08-29 17:19:30,393 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:19:30,482 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:19:30,483 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:19:30,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:19:31,095 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:19:31,096 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:19:31,096 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:19:31,096 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:19:31,102 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:19:31,102 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:19:31,102 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:19:31,107 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:19:31,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31 WrapperNode [2023-08-29 17:19:31,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:19:31,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:19:31,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:19:31,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:19:31,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,357 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 903 [2023-08-29 17:19:31,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:19:31,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:19:31,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:19:31,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:19:31,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,427 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:19:31,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:19:31,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:19:31,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:19:31,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (1/1) ... [2023-08-29 17:19:31,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:19:31,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:19:31,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 17:19:31,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 17:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 17:19:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 17:19:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:19:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:19:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 17:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:19:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 17:19:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:19:31,522 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 17:19:31,882 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:19:31,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:19:32,475 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:19:32,483 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:19:32,483 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-29 17:19:32,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:19:32 BoogieIcfgContainer [2023-08-29 17:19:32,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:19:32,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:19:32,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:19:32,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:19:32,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:19:27" (1/3) ... [2023-08-29 17:19:32,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197ad12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:19:32, skipping insertion in model container [2023-08-29 17:19:32,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:19:31" (2/3) ... [2023-08-29 17:19:32,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197ad12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:19:32, skipping insertion in model container [2023-08-29 17:19:32,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:19:32" (3/3) ... [2023-08-29 17:19:32,490 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-08-29 17:19:32,495 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:19:32,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:19:32,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 79 error locations. [2023-08-29 17:19:32,501 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:19:32,629 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:19:32,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 999 places, 1035 transitions, 2086 flow [2023-08-29 17:19:32,922 INFO L130 PetriNetUnfolder]: 43/1033 cut-off events. [2023-08-29 17:19:32,922 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:19:32,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 1033 events. 43/1033 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1331 event pairs, 0 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 17:19:32,928 INFO L82 GeneralOperation]: Start removeDead. Operand has 999 places, 1035 transitions, 2086 flow [2023-08-29 17:19:32,935 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 989 places, 1025 transitions, 2059 flow [2023-08-29 17:19:32,937 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:19:32,942 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 989 places, 1025 transitions, 2059 flow [2023-08-29 17:19:32,944 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 989 places, 1025 transitions, 2059 flow [2023-08-29 17:19:32,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 989 places, 1025 transitions, 2059 flow [2023-08-29 17:19:33,081 INFO L130 PetriNetUnfolder]: 43/1025 cut-off events. [2023-08-29 17:19:33,081 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:19:33,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 1025 events. 43/1025 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1276 event pairs, 0 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 17:19:33,087 INFO L119 LiptonReduction]: Number of co-enabled transitions 10176 [2023-08-29 17:23:54,127 WARN L222 SmtUtils]: Spent 2.78m on a formula simplification. DAG size of input: 664 DAG size of output: 662 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:25:03,224 WARN L222 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:27:11,922 WARN L222 SmtUtils]: Spent 2.14m on a formula simplification. DAG size of input: 667 DAG size of output: 665 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:27:56,178 WARN L222 SmtUtils]: Spent 44.24s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:28:48,501 WARN L222 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 449 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:28:58,671 WARN L222 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 449 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:29:11,922 WARN L222 SmtUtils]: Spent 13.25s on a formula simplification that was a NOOP. DAG size: 472 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:29:25,482 WARN L222 SmtUtils]: Spent 13.56s on a formula simplification that was a NOOP. DAG size: 472 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:29:25,488 INFO L134 LiptonReduction]: Checked pairs total: 41888 [2023-08-29 17:29:25,488 INFO L136 LiptonReduction]: Total number of compositions: 1289 [2023-08-29 17:29:25,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:29:25,506 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;@3fcd2484, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:29:25,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2023-08-29 17:29:25,508 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:29:25,508 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:29:25,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:25,509 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:29:25,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:25,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:25,512 INFO L85 PathProgramCache]: Analyzing trace with hash 3614, now seen corresponding path program 1 times [2023-08-29 17:29:25,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:25,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603728299] [2023-08-29 17:29:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:25,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:25,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:25,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603728299] [2023-08-29 17:29:25,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603728299] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:25,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:25,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:29:25,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793224990] [2023-08-29 17:29:25,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:25,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:29:25,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:25,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:29:25,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:29:25,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 2324 [2023-08-29 17:29:25,715 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 154 transitions, 317 flow. Second operand has 2 states, 2 states have (on average 1003.5) internal successors, (2007), 2 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:25,715 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:25,715 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 2324 [2023-08-29 17:29:25,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:26,012 INFO L130 PetriNetUnfolder]: 128/442 cut-off events. [2023-08-29 17:29:26,013 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-29 17:29:26,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 442 events. 128/442 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2128 event pairs, 117 based on Foata normal form. 18/422 useless extension candidates. Maximal degree in co-relation 591. Up to 249 conditions per place. [2023-08-29 17:29:26,018 INFO L137 encePairwiseOnDemand]: 2244/2324 looper letters, 42 selfloop transitions, 0 changer transitions 0/74 dead transitions. [2023-08-29 17:29:26,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 241 flow [2023-08-29 17:29:26,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:29:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:29:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2128 transitions. [2023-08-29 17:29:26,037 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4578313253012048 [2023-08-29 17:29:26,037 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2128 transitions. [2023-08-29 17:29:26,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2128 transitions. [2023-08-29 17:29:26,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:26,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2128 transitions. [2023-08-29 17:29:26,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1064.0) internal successors, (2128), 2 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:26,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2324.0) internal successors, (6972), 3 states have internal predecessors, (6972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:26,062 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2324.0) internal successors, (6972), 3 states have internal predecessors, (6972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:26,064 INFO L175 Difference]: Start difference. First operand has 140 places, 154 transitions, 317 flow. Second operand 2 states and 2128 transitions. [2023-08-29 17:29:26,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 241 flow [2023-08-29 17:29:26,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 236 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:29:26,069 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 152 flow [2023-08-29 17:29:26,070 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=152, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2023-08-29 17:29:26,072 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -72 predicate places. [2023-08-29 17:29:26,072 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 152 flow [2023-08-29 17:29:26,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1003.5) internal successors, (2007), 2 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:26,073 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:26,074 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:29:26,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:29:26,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:26,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:26,080 INFO L85 PathProgramCache]: Analyzing trace with hash 3667855, now seen corresponding path program 1 times [2023-08-29 17:29:26,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:26,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316203403] [2023-08-29 17:29:26,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:26,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:26,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:26,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316203403] [2023-08-29 17:29:26,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316203403] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:26,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:26,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:26,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477647453] [2023-08-29 17:29:26,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:26,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:26,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:26,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:26,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:26,396 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 984 out of 2324 [2023-08-29 17:29:26,398 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 985.0) internal successors, (2955), 3 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:26,398 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:26,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 984 of 2324 [2023-08-29 17:29:26,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:27,064 INFO L130 PetriNetUnfolder]: 128/440 cut-off events. [2023-08-29 17:29:27,065 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:29:27,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 440 events. 128/440 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2113 event pairs, 117 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 705. Up to 246 conditions per place. [2023-08-29 17:29:27,067 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 39 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2023-08-29 17:29:27,068 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 232 flow [2023-08-29 17:29:27,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2996 transitions. [2023-08-29 17:29:27,073 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42971887550200805 [2023-08-29 17:29:27,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2996 transitions. [2023-08-29 17:29:27,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2996 transitions. [2023-08-29 17:29:27,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:27,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2996 transitions. [2023-08-29 17:29:27,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 998.6666666666666) internal successors, (2996), 3 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,088 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 152 flow. Second operand 3 states and 2996 transitions. [2023-08-29 17:29:27,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 232 flow [2023-08-29 17:29:27,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 72 transitions, 232 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:27,091 INFO L231 Difference]: Finished difference. Result has 68 places, 72 transitions, 154 flow [2023-08-29 17:29:27,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=68, PETRI_TRANSITIONS=72} [2023-08-29 17:29:27,091 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -72 predicate places. [2023-08-29 17:29:27,092 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 72 transitions, 154 flow [2023-08-29 17:29:27,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 985.0) internal successors, (2955), 3 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:27,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:27,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:29:27,095 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:27,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2037631786, now seen corresponding path program 1 times [2023-08-29 17:29:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:27,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344836139] [2023-08-29 17:29:27,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:27,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:27,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344836139] [2023-08-29 17:29:27,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344836139] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:27,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:27,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:27,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730856494] [2023-08-29 17:29:27,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:27,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:27,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:27,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:27,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:27,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 999 out of 2324 [2023-08-29 17:29:27,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 72 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 1001.0) internal successors, (3003), 3 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:27,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 999 of 2324 [2023-08-29 17:29:27,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:27,788 INFO L130 PetriNetUnfolder]: 126/437 cut-off events. [2023-08-29 17:29:27,789 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:29:27,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 437 events. 126/437 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2088 event pairs, 117 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 701. Up to 245 conditions per place. [2023-08-29 17:29:27,791 INFO L137 encePairwiseOnDemand]: 2321/2324 looper letters, 38 selfloop transitions, 1 changer transitions 0/69 dead transitions. [2023-08-29 17:29:27,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 224 flow [2023-08-29 17:29:27,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3038 transitions. [2023-08-29 17:29:27,796 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4357429718875502 [2023-08-29 17:29:27,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3038 transitions. [2023-08-29 17:29:27,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3038 transitions. [2023-08-29 17:29:27,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:27,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3038 transitions. [2023-08-29 17:29:27,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1012.6666666666666) internal successors, (3038), 3 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,812 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,812 INFO L175 Difference]: Start difference. First operand has 68 places, 72 transitions, 154 flow. Second operand 3 states and 3038 transitions. [2023-08-29 17:29:27,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 224 flow [2023-08-29 17:29:27,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 69 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:29:27,813 INFO L231 Difference]: Finished difference. Result has 68 places, 69 transitions, 146 flow [2023-08-29 17:29:27,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=68, PETRI_TRANSITIONS=69} [2023-08-29 17:29:27,814 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -72 predicate places. [2023-08-29 17:29:27,814 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 69 transitions, 146 flow [2023-08-29 17:29:27,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1001.0) internal successors, (3003), 3 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:27,816 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:27,816 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:27,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:29:27,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:27,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:27,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1266019525, now seen corresponding path program 1 times [2023-08-29 17:29:27,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:27,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589995201] [2023-08-29 17:29:27,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:27,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:28,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:28,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589995201] [2023-08-29 17:29:28,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589995201] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:28,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:28,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:29:28,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773256007] [2023-08-29 17:29:28,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:28,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:29:28,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:28,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:29:28,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:29:28,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 978 out of 2324 [2023-08-29 17:29:28,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 981.0) internal successors, (2943), 3 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:28,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:28,276 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 978 of 2324 [2023-08-29 17:29:28,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:28,743 INFO L130 PetriNetUnfolder]: 368/863 cut-off events. [2023-08-29 17:29:28,743 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-29 17:29:28,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 863 events. 368/863 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4273 event pairs, 156 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 1572. Up to 391 conditions per place. [2023-08-29 17:29:28,747 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 55 selfloop transitions, 8 changer transitions 0/86 dead transitions. [2023-08-29 17:29:28,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 86 transitions, 307 flow [2023-08-29 17:29:28,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:29:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:29:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2999 transitions. [2023-08-29 17:29:28,753 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4301491681009753 [2023-08-29 17:29:28,753 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2999 transitions. [2023-08-29 17:29:28,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2999 transitions. [2023-08-29 17:29:28,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:28,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2999 transitions. [2023-08-29 17:29:28,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 999.6666666666666) internal successors, (2999), 3 states have internal predecessors, (2999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:28,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:28,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:28,767 INFO L175 Difference]: Start difference. First operand has 68 places, 69 transitions, 146 flow. Second operand 3 states and 2999 transitions. [2023-08-29 17:29:28,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 86 transitions, 307 flow [2023-08-29 17:29:28,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 86 transitions, 306 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:29:28,769 INFO L231 Difference]: Finished difference. Result has 71 places, 76 transitions, 209 flow [2023-08-29 17:29:28,769 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=71, PETRI_TRANSITIONS=76} [2023-08-29 17:29:28,769 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -69 predicate places. [2023-08-29 17:29:28,770 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 76 transitions, 209 flow [2023-08-29 17:29:28,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 981.0) internal successors, (2943), 3 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:28,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:28,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:28,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:29:28,771 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:28,772 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:28,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2009556556, now seen corresponding path program 1 times [2023-08-29 17:29:28,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:28,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966122903] [2023-08-29 17:29:28,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:28,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:29,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966122903] [2023-08-29 17:29:29,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966122903] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:29,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:29,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:29:29,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695485669] [2023-08-29 17:29:29,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:29,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:29:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:29,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:29:29,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:29:29,787 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2324 [2023-08-29 17:29:29,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 76 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 981.6666666666666) internal successors, (5890), 6 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:29,791 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:29,791 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2324 [2023-08-29 17:29:29,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:30,196 INFO L130 PetriNetUnfolder]: 340/873 cut-off events. [2023-08-29 17:29:30,196 INFO L131 PetriNetUnfolder]: For 204/256 co-relation queries the response was YES. [2023-08-29 17:29:30,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1869 conditions, 873 events. 340/873 cut-off events. For 204/256 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4480 event pairs, 159 based on Foata normal form. 18/851 useless extension candidates. Maximal degree in co-relation 1864. Up to 454 conditions per place. [2023-08-29 17:29:30,200 INFO L137 encePairwiseOnDemand]: 2318/2324 looper letters, 74 selfloop transitions, 6 changer transitions 0/103 dead transitions. [2023-08-29 17:29:30,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 103 transitions, 447 flow [2023-08-29 17:29:30,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:29:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:29:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5955 transitions. [2023-08-29 17:29:30,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42706540447504304 [2023-08-29 17:29:30,209 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5955 transitions. [2023-08-29 17:29:30,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5955 transitions. [2023-08-29 17:29:30,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:30,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5955 transitions. [2023-08-29 17:29:30,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 992.5) internal successors, (5955), 6 states have internal predecessors, (5955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:30,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:30,229 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:30,229 INFO L175 Difference]: Start difference. First operand has 71 places, 76 transitions, 209 flow. Second operand 6 states and 5955 transitions. [2023-08-29 17:29:30,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 103 transitions, 447 flow [2023-08-29 17:29:30,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 103 transitions, 431 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:29:30,232 INFO L231 Difference]: Finished difference. Result has 73 places, 75 transitions, 203 flow [2023-08-29 17:29:30,232 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=203, PETRI_PLACES=73, PETRI_TRANSITIONS=75} [2023-08-29 17:29:30,233 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -67 predicate places. [2023-08-29 17:29:30,233 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 75 transitions, 203 flow [2023-08-29 17:29:30,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 981.6666666666666) internal successors, (5890), 6 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:30,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:30,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:30,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:29:30,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:30,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:30,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1707240377, now seen corresponding path program 1 times [2023-08-29 17:29:30,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:30,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719683304] [2023-08-29 17:29:30,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:30,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:30,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:30,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719683304] [2023-08-29 17:29:30,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719683304] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:30,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:30,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:29:30,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904448094] [2023-08-29 17:29:30,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:30,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:29:30,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:30,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:29:30,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:29:31,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2324 [2023-08-29 17:29:31,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 981.0) internal successors, (5886), 6 states have internal predecessors, (5886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:31,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:31,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2324 [2023-08-29 17:29:31,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:32,088 INFO L130 PetriNetUnfolder]: 1763/3604 cut-off events. [2023-08-29 17:29:32,088 INFO L131 PetriNetUnfolder]: For 771/1055 co-relation queries the response was YES. [2023-08-29 17:29:32,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7757 conditions, 3604 events. 1763/3604 cut-off events. For 771/1055 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 25085 event pairs, 424 based on Foata normal form. 83/3471 useless extension candidates. Maximal degree in co-relation 7752. Up to 1769 conditions per place. [2023-08-29 17:29:32,103 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 103 selfloop transitions, 37 changer transitions 0/161 dead transitions. [2023-08-29 17:29:32,103 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 161 transitions, 768 flow [2023-08-29 17:29:32,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:29:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:29:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5985 transitions. [2023-08-29 17:29:32,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292168674698795 [2023-08-29 17:29:32,112 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5985 transitions. [2023-08-29 17:29:32,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5985 transitions. [2023-08-29 17:29:32,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:32,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5985 transitions. [2023-08-29 17:29:32,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 997.5) internal successors, (5985), 6 states have internal predecessors, (5985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,131 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,132 INFO L175 Difference]: Start difference. First operand has 73 places, 75 transitions, 203 flow. Second operand 6 states and 5985 transitions. [2023-08-29 17:29:32,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 161 transitions, 768 flow [2023-08-29 17:29:32,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 161 transitions, 740 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 17:29:32,135 INFO L231 Difference]: Finished difference. Result has 78 places, 111 transitions, 501 flow [2023-08-29 17:29:32,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=501, PETRI_PLACES=78, PETRI_TRANSITIONS=111} [2023-08-29 17:29:32,135 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -62 predicate places. [2023-08-29 17:29:32,135 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 111 transitions, 501 flow [2023-08-29 17:29:32,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 981.0) internal successors, (5886), 6 states have internal predecessors, (5886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:32,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:32,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:29:32,137 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:32,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:32,137 INFO L85 PathProgramCache]: Analyzing trace with hash -104938771, now seen corresponding path program 1 times [2023-08-29 17:29:32,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:32,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638690222] [2023-08-29 17:29:32,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:32,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:32,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:32,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638690222] [2023-08-29 17:29:32,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638690222] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:32,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:32,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:29:32,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571548235] [2023-08-29 17:29:32,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:32,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:29:32,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:32,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:29:32,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:29:32,845 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 943 out of 2324 [2023-08-29 17:29:32,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 111 transitions, 501 flow. Second operand has 6 states, 6 states have (on average 945.6666666666666) internal successors, (5674), 6 states have internal predecessors, (5674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:32,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:32,848 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 943 of 2324 [2023-08-29 17:29:32,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:33,705 INFO L130 PetriNetUnfolder]: 4041/7105 cut-off events. [2023-08-29 17:29:33,705 INFO L131 PetriNetUnfolder]: For 5183/5477 co-relation queries the response was YES. [2023-08-29 17:29:33,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20000 conditions, 7105 events. 4041/7105 cut-off events. For 5183/5477 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 44155 event pairs, 1859 based on Foata normal form. 6/6906 useless extension candidates. Maximal degree in co-relation 19991. Up to 5788 conditions per place. [2023-08-29 17:29:33,736 INFO L137 encePairwiseOnDemand]: 2311/2324 looper letters, 123 selfloop transitions, 55 changer transitions 0/186 dead transitions. [2023-08-29 17:29:33,737 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 186 transitions, 1171 flow [2023-08-29 17:29:33,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:29:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:29:33,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5777 transitions. [2023-08-29 17:29:33,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41430005737234654 [2023-08-29 17:29:33,746 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5777 transitions. [2023-08-29 17:29:33,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5777 transitions. [2023-08-29 17:29:33,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:33,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5777 transitions. [2023-08-29 17:29:33,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 962.8333333333334) internal successors, (5777), 6 states have internal predecessors, (5777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:33,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:33,764 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:33,764 INFO L175 Difference]: Start difference. First operand has 78 places, 111 transitions, 501 flow. Second operand 6 states and 5777 transitions. [2023-08-29 17:29:33,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 186 transitions, 1171 flow [2023-08-29 17:29:33,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 186 transitions, 1171 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:33,786 INFO L231 Difference]: Finished difference. Result has 88 places, 156 transitions, 997 flow [2023-08-29 17:29:33,786 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=997, PETRI_PLACES=88, PETRI_TRANSITIONS=156} [2023-08-29 17:29:33,787 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -52 predicate places. [2023-08-29 17:29:33,787 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 156 transitions, 997 flow [2023-08-29 17:29:33,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 945.6666666666666) internal successors, (5674), 6 states have internal predecessors, (5674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:33,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:33,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:33,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:29:33,791 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:33,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:33,791 INFO L85 PathProgramCache]: Analyzing trace with hash 493365760, now seen corresponding path program 1 times [2023-08-29 17:29:33,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:33,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10026064] [2023-08-29 17:29:33,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:33,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:35,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:35,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10026064] [2023-08-29 17:29:35,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10026064] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:35,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:35,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:29:35,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351024629] [2023-08-29 17:29:35,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:35,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 17:29:35,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:35,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 17:29:35,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-08-29 17:29:36,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 968 out of 2324 [2023-08-29 17:29:36,289 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 156 transitions, 997 flow. Second operand has 7 states, 7 states have (on average 970.0) internal successors, (6790), 7 states have internal predecessors, (6790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:36,289 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:36,289 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 968 of 2324 [2023-08-29 17:29:36,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:37,236 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2405] whoop_wrapper_pc8736x_gpio_openEXIT-->L7070-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1442#1_5| v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4) (= v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4 0)) InVars {ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][188], [1011#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1InUse, 688#L6863-4true, Black: 1030#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), 1062#(and (= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1_pc8736x_gpio_current_~port~2#1| |~#pc8736x_gpio_shadow~0.offset|)) 0) (not (= ~whoop_file_1~0.base |~#pc8736x_gpio_shadow~0.base|)) (not (= ~whoop_inode_1~0.base ~whoop_file_1~0.base)) (not (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base| |~#pc8736x_gpio_shadow~0.base|))), Black: 1029#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1028#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0), 1038#true, Black: 1026#true, 1002#true, Black: 1040#(= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|), 1007#(= |#race~pdev~0| 0), Black: 1041#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), 1031#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1043#(and (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1| (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 31 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|))) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1042#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1013#true, 907#L7070-7true]) [2023-08-29 17:29:37,237 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 17:29:37,237 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 17:29:37,237 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 17:29:37,237 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 17:29:37,241 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2405] whoop_wrapper_pc8736x_gpio_openEXIT-->L7070-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1442#1_5| v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4) (= v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4 0)) InVars {ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][188], [879#L6864-1true, 1011#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1InUse, Black: 1030#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1029#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), 1062#(and (= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1_pc8736x_gpio_current_~port~2#1| |~#pc8736x_gpio_shadow~0.offset|)) 0) (not (= ~whoop_file_1~0.base |~#pc8736x_gpio_shadow~0.base|)) (not (= ~whoop_inode_1~0.base ~whoop_file_1~0.base)) (not (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base| |~#pc8736x_gpio_shadow~0.base|))), Black: 1028#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0), 1038#true, Black: 1026#true, 1002#true, Black: 1040#(= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|), 1007#(= |#race~pdev~0| 0), Black: 1041#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), 1031#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1043#(and (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1| (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 31 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|))) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1042#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1013#true, 907#L7070-7true]) [2023-08-29 17:29:37,241 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 17:29:37,241 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 17:29:37,241 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 17:29:37,241 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 17:29:37,245 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2405] whoop_wrapper_pc8736x_gpio_openEXIT-->L7070-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1442#1_5| v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4) (= v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4 0)) InVars {ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][188], [1011#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1InUse, 243#whoop_wrapper_pc8736x_gpio_currentEXITtrue, Black: 1030#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), 1062#(and (= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1_pc8736x_gpio_current_~port~2#1| |~#pc8736x_gpio_shadow~0.offset|)) 0) (not (= ~whoop_file_1~0.base |~#pc8736x_gpio_shadow~0.base|)) (not (= ~whoop_inode_1~0.base ~whoop_file_1~0.base)) (not (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base| |~#pc8736x_gpio_shadow~0.base|))), Black: 1029#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1028#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0), 1038#true, Black: 1026#true, 1002#true, Black: 1040#(= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|), 1007#(= |#race~pdev~0| 0), 1031#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1041#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1043#(and (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1| (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 31 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|))) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1042#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1013#true, 907#L7070-7true]) [2023-08-29 17:29:37,245 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 17:29:37,245 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 17:29:37,245 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 17:29:37,245 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 17:29:37,251 INFO L130 PetriNetUnfolder]: 1765/3800 cut-off events. [2023-08-29 17:29:37,251 INFO L131 PetriNetUnfolder]: For 5409/5667 co-relation queries the response was YES. [2023-08-29 17:29:37,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12756 conditions, 3800 events. 1765/3800 cut-off events. For 5409/5667 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 27858 event pairs, 139 based on Foata normal form. 24/3635 useless extension candidates. Maximal degree in co-relation 12742. Up to 2053 conditions per place. [2023-08-29 17:29:37,276 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 142 selfloop transitions, 9 changer transitions 0/196 dead transitions. [2023-08-29 17:29:37,276 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 196 transitions, 1546 flow [2023-08-29 17:29:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:29:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:29:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5879 transitions. [2023-08-29 17:29:37,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4216150315547906 [2023-08-29 17:29:37,284 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5879 transitions. [2023-08-29 17:29:37,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5879 transitions. [2023-08-29 17:29:37,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:37,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5879 transitions. [2023-08-29 17:29:37,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 979.8333333333334) internal successors, (5879), 6 states have internal predecessors, (5879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:37,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:37,304 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:37,304 INFO L175 Difference]: Start difference. First operand has 88 places, 156 transitions, 997 flow. Second operand 6 states and 5879 transitions. [2023-08-29 17:29:37,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 196 transitions, 1546 flow [2023-08-29 17:29:37,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 196 transitions, 1528 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-29 17:29:37,322 INFO L231 Difference]: Finished difference. Result has 91 places, 156 transitions, 997 flow [2023-08-29 17:29:37,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=997, PETRI_PLACES=91, PETRI_TRANSITIONS=156} [2023-08-29 17:29:37,325 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -49 predicate places. [2023-08-29 17:29:37,325 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 156 transitions, 997 flow [2023-08-29 17:29:37,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 970.0) internal successors, (6790), 7 states have internal predecessors, (6790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:37,326 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:37,326 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:37,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:29:37,326 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:37,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:37,327 INFO L85 PathProgramCache]: Analyzing trace with hash 13359386, now seen corresponding path program 1 times [2023-08-29 17:29:37,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:37,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523315018] [2023-08-29 17:29:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:37,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:38,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:38,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523315018] [2023-08-29 17:29:38,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523315018] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:38,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:38,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:29:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394751489] [2023-08-29 17:29:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:38,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:29:38,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:38,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:29:38,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:29:39,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 971 out of 2324 [2023-08-29 17:29:39,604 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 156 transitions, 997 flow. Second operand has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:39,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:39,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 971 of 2324 [2023-08-29 17:29:39,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:42,023 INFO L130 PetriNetUnfolder]: 3146/6211 cut-off events. [2023-08-29 17:29:42,023 INFO L131 PetriNetUnfolder]: For 8313/8633 co-relation queries the response was YES. [2023-08-29 17:29:42,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20979 conditions, 6211 events. 3146/6211 cut-off events. For 8313/8633 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 45641 event pairs, 622 based on Foata normal form. 264/6278 useless extension candidates. Maximal degree in co-relation 20964. Up to 2528 conditions per place. [2023-08-29 17:29:42,052 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 166 selfloop transitions, 55 changer transitions 0/254 dead transitions. [2023-08-29 17:29:42,052 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 254 transitions, 1927 flow [2023-08-29 17:29:42,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:29:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:29:42,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8866 transitions. [2023-08-29 17:29:42,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4238860202715624 [2023-08-29 17:29:42,063 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8866 transitions. [2023-08-29 17:29:42,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8866 transitions. [2023-08-29 17:29:42,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:42,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8866 transitions. [2023-08-29 17:29:42,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 985.1111111111111) internal successors, (8866), 9 states have internal predecessors, (8866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:42,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:42,088 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:42,088 INFO L175 Difference]: Start difference. First operand has 91 places, 156 transitions, 997 flow. Second operand 9 states and 8866 transitions. [2023-08-29 17:29:42,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 254 transitions, 1927 flow [2023-08-29 17:29:42,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 254 transitions, 1926 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:29:42,113 INFO L231 Difference]: Finished difference. Result has 101 places, 172 transitions, 1367 flow [2023-08-29 17:29:42,113 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1367, PETRI_PLACES=101, PETRI_TRANSITIONS=172} [2023-08-29 17:29:42,114 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -39 predicate places. [2023-08-29 17:29:42,114 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 172 transitions, 1367 flow [2023-08-29 17:29:42,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:42,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:42,116 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:42,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:29:42,116 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:42,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:42,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1450405358, now seen corresponding path program 2 times [2023-08-29 17:29:42,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:42,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110836463] [2023-08-29 17:29:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:42,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:42,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110836463] [2023-08-29 17:29:42,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110836463] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:42,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:42,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:29:42,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181382687] [2023-08-29 17:29:42,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:42,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:29:42,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:42,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:29:42,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:29:44,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 975 out of 2324 [2023-08-29 17:29:44,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 172 transitions, 1367 flow. Second operand has 10 states, 10 states have (on average 976.6) internal successors, (9766), 10 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:44,396 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:44,396 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 975 of 2324 [2023-08-29 17:29:44,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:46,829 INFO L130 PetriNetUnfolder]: 4175/8053 cut-off events. [2023-08-29 17:29:46,829 INFO L131 PetriNetUnfolder]: For 15944/16338 co-relation queries the response was YES. [2023-08-29 17:29:46,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29434 conditions, 8053 events. 4175/8053 cut-off events. For 15944/16338 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 60498 event pairs, 389 based on Foata normal form. 311/8128 useless extension candidates. Maximal degree in co-relation 29416. Up to 2417 conditions per place. [2023-08-29 17:29:46,869 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 243 selfloop transitions, 39 changer transitions 0/315 dead transitions. [2023-08-29 17:29:46,869 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 315 transitions, 2892 flow [2023-08-29 17:29:46,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:29:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:29:46,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9872 transitions. [2023-08-29 17:29:46,881 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42478485370051633 [2023-08-29 17:29:46,881 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9872 transitions. [2023-08-29 17:29:46,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9872 transitions. [2023-08-29 17:29:46,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:46,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9872 transitions. [2023-08-29 17:29:46,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 987.2) internal successors, (9872), 10 states have internal predecessors, (9872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:46,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:46,901 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:46,901 INFO L175 Difference]: Start difference. First operand has 101 places, 172 transitions, 1367 flow. Second operand 10 states and 9872 transitions. [2023-08-29 17:29:46,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 315 transitions, 2892 flow [2023-08-29 17:29:46,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 315 transitions, 2832 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 17:29:46,938 INFO L231 Difference]: Finished difference. Result has 110 places, 196 transitions, 1676 flow [2023-08-29 17:29:46,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=1324, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1676, PETRI_PLACES=110, PETRI_TRANSITIONS=196} [2023-08-29 17:29:46,939 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -30 predicate places. [2023-08-29 17:29:46,939 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 196 transitions, 1676 flow [2023-08-29 17:29:46,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 976.6) internal successors, (9766), 10 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:46,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:46,940 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:46,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:29:46,940 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:46,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:46,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1945049320, now seen corresponding path program 3 times [2023-08-29 17:29:46,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:46,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360402019] [2023-08-29 17:29:46,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:48,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:48,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:48,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360402019] [2023-08-29 17:29:48,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360402019] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:48,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:48,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:29:48,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67185933] [2023-08-29 17:29:48,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:48,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:29:48,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:48,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:29:48,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:29:49,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 971 out of 2324 [2023-08-29 17:29:49,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 196 transitions, 1676 flow. Second operand has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:49,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:49,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 971 of 2324 [2023-08-29 17:29:49,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:52,631 INFO L130 PetriNetUnfolder]: 4912/9695 cut-off events. [2023-08-29 17:29:52,631 INFO L131 PetriNetUnfolder]: For 30475/30975 co-relation queries the response was YES. [2023-08-29 17:29:52,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38640 conditions, 9695 events. 4912/9695 cut-off events. For 30475/30975 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 77095 event pairs, 904 based on Foata normal form. 381/9756 useless extension candidates. Maximal degree in co-relation 38617. Up to 3741 conditions per place. [2023-08-29 17:29:52,677 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 222 selfloop transitions, 70 changer transitions 0/325 dead transitions. [2023-08-29 17:29:52,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 325 transitions, 3076 flow [2023-08-29 17:29:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:29:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:29:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9851 transitions. [2023-08-29 17:29:52,690 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.423881239242685 [2023-08-29 17:29:52,690 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9851 transitions. [2023-08-29 17:29:52,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9851 transitions. [2023-08-29 17:29:52,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:52,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9851 transitions. [2023-08-29 17:29:52,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 985.1) internal successors, (9851), 10 states have internal predecessors, (9851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:52,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:52,717 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:52,717 INFO L175 Difference]: Start difference. First operand has 110 places, 196 transitions, 1676 flow. Second operand 10 states and 9851 transitions. [2023-08-29 17:29:52,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 325 transitions, 3076 flow [2023-08-29 17:29:52,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 325 transitions, 3072 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:29:52,826 INFO L231 Difference]: Finished difference. Result has 122 places, 221 transitions, 2293 flow [2023-08-29 17:29:52,826 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=1672, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2293, PETRI_PLACES=122, PETRI_TRANSITIONS=221} [2023-08-29 17:29:52,826 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -18 predicate places. [2023-08-29 17:29:52,826 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 221 transitions, 2293 flow [2023-08-29 17:29:52,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:52,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:52,827 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:52,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:29:52,828 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:52,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:52,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1046013289, now seen corresponding path program 1 times [2023-08-29 17:29:52,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:52,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827200649] [2023-08-29 17:29:52,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:52,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:53,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:53,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827200649] [2023-08-29 17:29:53,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827200649] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:53,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:53,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:29:53,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992657752] [2023-08-29 17:29:53,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:53,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:29:53,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:53,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:29:53,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:29:54,208 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 2324 [2023-08-29 17:29:54,210 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 221 transitions, 2293 flow. Second operand has 10 states, 10 states have (on average 940.0) internal successors, (9400), 10 states have internal predecessors, (9400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:54,210 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:29:54,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 2324 [2023-08-29 17:29:54,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:29:57,066 INFO L130 PetriNetUnfolder]: 7613/13747 cut-off events. [2023-08-29 17:29:57,067 INFO L131 PetriNetUnfolder]: For 61357/61580 co-relation queries the response was YES. [2023-08-29 17:29:57,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58735 conditions, 13747 events. 7613/13747 cut-off events. For 61357/61580 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 99829 event pairs, 2271 based on Foata normal form. 277/13936 useless extension candidates. Maximal degree in co-relation 58707. Up to 9322 conditions per place. [2023-08-29 17:29:57,137 INFO L137 encePairwiseOnDemand]: 2311/2324 looper letters, 212 selfloop transitions, 114 changer transitions 0/337 dead transitions. [2023-08-29 17:29:57,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 337 transitions, 3970 flow [2023-08-29 17:29:57,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:29:57,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:29:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8574 transitions. [2023-08-29 17:29:57,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4099254159495123 [2023-08-29 17:29:57,144 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8574 transitions. [2023-08-29 17:29:57,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8574 transitions. [2023-08-29 17:29:57,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:29:57,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8574 transitions. [2023-08-29 17:29:57,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 952.6666666666666) internal successors, (8574), 9 states have internal predecessors, (8574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:57,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:57,161 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:57,161 INFO L175 Difference]: Start difference. First operand has 122 places, 221 transitions, 2293 flow. Second operand 9 states and 8574 transitions. [2023-08-29 17:29:57,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 337 transitions, 3970 flow [2023-08-29 17:29:57,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 337 transitions, 3888 flow, removed 9 selfloop flow, removed 5 redundant places. [2023-08-29 17:29:57,334 INFO L231 Difference]: Finished difference. Result has 130 places, 266 transitions, 3248 flow [2023-08-29 17:29:57,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=2236, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3248, PETRI_PLACES=130, PETRI_TRANSITIONS=266} [2023-08-29 17:29:57,335 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -10 predicate places. [2023-08-29 17:29:57,335 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 266 transitions, 3248 flow [2023-08-29 17:29:57,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 940.0) internal successors, (9400), 10 states have internal predecessors, (9400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:29:57,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:29:57,336 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:29:57,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:29:57,337 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:29:57,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:29:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2073334918, now seen corresponding path program 4 times [2023-08-29 17:29:57,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:29:57,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087716271] [2023-08-29 17:29:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:29:57,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:29:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:29:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:29:58,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:29:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087716271] [2023-08-29 17:29:58,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087716271] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:29:58,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:29:58,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:29:58,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961251017] [2023-08-29 17:29:58,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:29:58,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:29:58,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:29:58,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:29:58,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:00,369 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 972 out of 2324 [2023-08-29 17:30:00,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 266 transitions, 3248 flow. Second operand has 11 states, 11 states have (on average 973.4545454545455) internal successors, (10708), 11 states have internal predecessors, (10708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:00,373 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:00,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 972 of 2324 [2023-08-29 17:30:00,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:03,595 INFO L130 PetriNetUnfolder]: 6832/13402 cut-off events. [2023-08-29 17:30:03,596 INFO L131 PetriNetUnfolder]: For 75170/75923 co-relation queries the response was YES. [2023-08-29 17:30:03,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64725 conditions, 13402 events. 6832/13402 cut-off events. For 75170/75923 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 112245 event pairs, 1030 based on Foata normal form. 605/13600 useless extension candidates. Maximal degree in co-relation 64693. Up to 4398 conditions per place. [2023-08-29 17:30:03,671 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 300 selfloop transitions, 111 changer transitions 0/458 dead transitions. [2023-08-29 17:30:03,671 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 458 transitions, 6090 flow [2023-08-29 17:30:03,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:30:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:30:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9863 transitions. [2023-08-29 17:30:03,703 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4243975903614458 [2023-08-29 17:30:03,703 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9863 transitions. [2023-08-29 17:30:03,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9863 transitions. [2023-08-29 17:30:03,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:03,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9863 transitions. [2023-08-29 17:30:03,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 986.3) internal successors, (9863), 10 states have internal predecessors, (9863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:03,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:03,754 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:03,754 INFO L175 Difference]: Start difference. First operand has 130 places, 266 transitions, 3248 flow. Second operand 10 states and 9863 transitions. [2023-08-29 17:30:03,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 458 transitions, 6090 flow [2023-08-29 17:30:04,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 458 transitions, 6086 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:30:04,167 INFO L231 Difference]: Finished difference. Result has 143 places, 319 transitions, 4714 flow [2023-08-29 17:30:04,167 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=3244, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4714, PETRI_PLACES=143, PETRI_TRANSITIONS=319} [2023-08-29 17:30:04,168 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 3 predicate places. [2023-08-29 17:30:04,168 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 319 transitions, 4714 flow [2023-08-29 17:30:04,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 973.4545454545455) internal successors, (10708), 11 states have internal predecessors, (10708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:04,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:04,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:04,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:30:04,169 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:04,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:04,170 INFO L85 PathProgramCache]: Analyzing trace with hash -727812862, now seen corresponding path program 1 times [2023-08-29 17:30:04,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:04,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224323286] [2023-08-29 17:30:04,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:04,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:05,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:05,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224323286] [2023-08-29 17:30:05,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224323286] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:05,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:05,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:30:05,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387370173] [2023-08-29 17:30:05,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:05,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:30:05,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:05,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:30:05,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:30:05,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 941 out of 2324 [2023-08-29 17:30:05,875 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 319 transitions, 4714 flow. Second operand has 9 states, 9 states have (on average 943.2222222222222) internal successors, (8489), 9 states have internal predecessors, (8489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:05,876 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:05,876 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 941 of 2324 [2023-08-29 17:30:05,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:09,493 INFO L130 PetriNetUnfolder]: 9730/17694 cut-off events. [2023-08-29 17:30:09,493 INFO L131 PetriNetUnfolder]: For 123597/124025 co-relation queries the response was YES. [2023-08-29 17:30:09,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88426 conditions, 17694 events. 9730/17694 cut-off events. For 123597/124025 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 136584 event pairs, 2490 based on Foata normal form. 380/17945 useless extension candidates. Maximal degree in co-relation 88388. Up to 12510 conditions per place. [2023-08-29 17:30:09,675 INFO L137 encePairwiseOnDemand]: 2311/2324 looper letters, 243 selfloop transitions, 180 changer transitions 0/437 dead transitions. [2023-08-29 17:30:09,675 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 437 transitions, 6686 flow [2023-08-29 17:30:09,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:30:09,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:30:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7660 transitions. [2023-08-29 17:30:09,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4120051635111876 [2023-08-29 17:30:09,681 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 7660 transitions. [2023-08-29 17:30:09,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 7660 transitions. [2023-08-29 17:30:09,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:09,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 7660 transitions. [2023-08-29 17:30:09,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 957.5) internal successors, (7660), 8 states have internal predecessors, (7660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:09,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2324.0) internal successors, (20916), 9 states have internal predecessors, (20916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:09,697 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2324.0) internal successors, (20916), 9 states have internal predecessors, (20916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:09,697 INFO L175 Difference]: Start difference. First operand has 143 places, 319 transitions, 4714 flow. Second operand 8 states and 7660 transitions. [2023-08-29 17:30:09,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 437 transitions, 6686 flow [2023-08-29 17:30:10,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 437 transitions, 6568 flow, removed 43 selfloop flow, removed 3 redundant places. [2023-08-29 17:30:10,704 INFO L231 Difference]: Finished difference. Result has 152 places, 384 transitions, 6270 flow [2023-08-29 17:30:10,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=4626, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6270, PETRI_PLACES=152, PETRI_TRANSITIONS=384} [2023-08-29 17:30:10,705 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 12 predicate places. [2023-08-29 17:30:10,705 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 384 transitions, 6270 flow [2023-08-29 17:30:10,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 943.2222222222222) internal successors, (8489), 9 states have internal predecessors, (8489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:10,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:10,707 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:10,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 17:30:10,707 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:10,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash -976902870, now seen corresponding path program 5 times [2023-08-29 17:30:10,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:10,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179858928] [2023-08-29 17:30:10,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:10,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:11,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:11,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179858928] [2023-08-29 17:30:11,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179858928] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:11,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:11,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:11,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177936541] [2023-08-29 17:30:11,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:11,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:11,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:11,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:11,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:13,111 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 971 out of 2324 [2023-08-29 17:30:13,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 384 transitions, 6270 flow. Second operand has 11 states, 11 states have (on average 972.5454545454545) internal successors, (10698), 11 states have internal predecessors, (10698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:13,114 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:13,114 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 971 of 2324 [2023-08-29 17:30:13,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:17,012 INFO L130 PetriNetUnfolder]: 7680/15275 cut-off events. [2023-08-29 17:30:17,012 INFO L131 PetriNetUnfolder]: For 139344/140256 co-relation queries the response was YES. [2023-08-29 17:30:17,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87383 conditions, 15275 events. 7680/15275 cut-off events. For 139344/140256 co-relation queries the response was YES. Maximal size of possible extension queue 814. Compared 132809 event pairs, 925 based on Foata normal form. 713/15544 useless extension candidates. Maximal degree in co-relation 87340. Up to 3735 conditions per place. [2023-08-29 17:30:17,105 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 417 selfloop transitions, 137 changer transitions 0/602 dead transitions. [2023-08-29 17:30:17,105 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 602 transitions, 10178 flow [2023-08-29 17:30:17,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:30:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:30:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9853 transitions. [2023-08-29 17:30:17,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4239672977624785 [2023-08-29 17:30:17,113 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9853 transitions. [2023-08-29 17:30:17,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9853 transitions. [2023-08-29 17:30:17,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:17,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9853 transitions. [2023-08-29 17:30:17,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 985.3) internal successors, (9853), 10 states have internal predecessors, (9853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:17,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:17,131 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:17,131 INFO L175 Difference]: Start difference. First operand has 152 places, 384 transitions, 6270 flow. Second operand 10 states and 9853 transitions. [2023-08-29 17:30:17,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 602 transitions, 10178 flow [2023-08-29 17:30:17,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 602 transitions, 9918 flow, removed 27 selfloop flow, removed 6 redundant places. [2023-08-29 17:30:17,835 INFO L231 Difference]: Finished difference. Result has 159 places, 420 transitions, 7514 flow [2023-08-29 17:30:17,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=6035, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7514, PETRI_PLACES=159, PETRI_TRANSITIONS=420} [2023-08-29 17:30:17,835 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 19 predicate places. [2023-08-29 17:30:17,835 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 420 transitions, 7514 flow [2023-08-29 17:30:17,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 972.5454545454545) internal successors, (10698), 11 states have internal predecessors, (10698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:17,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:17,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:17,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 17:30:17,837 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:17,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:17,837 INFO L85 PathProgramCache]: Analyzing trace with hash -436906706, now seen corresponding path program 1 times [2023-08-29 17:30:17,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:17,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500848157] [2023-08-29 17:30:17,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:17,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:19,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:19,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500848157] [2023-08-29 17:30:19,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500848157] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:19,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:19,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:19,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892487230] [2023-08-29 17:30:19,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:19,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:19,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:19,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:19,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:20,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 937 out of 2324 [2023-08-29 17:30:20,296 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 420 transitions, 7514 flow. Second operand has 11 states, 11 states have (on average 939.0) internal successors, (10329), 11 states have internal predecessors, (10329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:20,296 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:20,296 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 937 of 2324 [2023-08-29 17:30:20,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:24,390 INFO L130 PetriNetUnfolder]: 9795/18197 cut-off events. [2023-08-29 17:30:24,390 INFO L131 PetriNetUnfolder]: For 162757/163170 co-relation queries the response was YES. [2023-08-29 17:30:24,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103033 conditions, 18197 events. 9795/18197 cut-off events. For 162757/163170 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 144303 event pairs, 2247 based on Foata normal form. 417/18484 useless extension candidates. Maximal degree in co-relation 102989. Up to 8556 conditions per place. [2023-08-29 17:30:24,578 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 273 selfloop transitions, 218 changer transitions 0/504 dead transitions. [2023-08-29 17:30:24,579 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 504 transitions, 9180 flow [2023-08-29 17:30:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8559 transitions. [2023-08-29 17:30:24,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4092082616179002 [2023-08-29 17:30:24,602 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8559 transitions. [2023-08-29 17:30:24,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8559 transitions. [2023-08-29 17:30:24,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:24,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8559 transitions. [2023-08-29 17:30:24,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 951.0) internal successors, (8559), 9 states have internal predecessors, (8559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:24,622 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:24,623 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:24,624 INFO L175 Difference]: Start difference. First operand has 159 places, 420 transitions, 7514 flow. Second operand 9 states and 8559 transitions. [2023-08-29 17:30:24,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 504 transitions, 9180 flow [2023-08-29 17:30:25,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 504 transitions, 8902 flow, removed 79 selfloop flow, removed 4 redundant places. [2023-08-29 17:30:25,347 INFO L231 Difference]: Finished difference. Result has 162 places, 419 transitions, 7732 flow [2023-08-29 17:30:25,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=7296, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7732, PETRI_PLACES=162, PETRI_TRANSITIONS=419} [2023-08-29 17:30:25,348 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 22 predicate places. [2023-08-29 17:30:25,348 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 419 transitions, 7732 flow [2023-08-29 17:30:25,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 939.0) internal successors, (10329), 11 states have internal predecessors, (10329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:25,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:25,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:25,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 17:30:25,350 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:25,350 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:25,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1942083208, now seen corresponding path program 1 times [2023-08-29 17:30:25,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:25,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965201185] [2023-08-29 17:30:25,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:25,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:25,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:25,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965201185] [2023-08-29 17:30:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965201185] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:25,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:25,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490534154] [2023-08-29 17:30:25,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:25,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:25,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:25,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:25,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:26,438 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2324 [2023-08-29 17:30:26,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 419 transitions, 7732 flow. Second operand has 6 states, 6 states have (on average 982.0) internal successors, (5892), 6 states have internal predecessors, (5892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:26,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:26,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2324 [2023-08-29 17:30:26,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:28,659 INFO L130 PetriNetUnfolder]: 5856/12159 cut-off events. [2023-08-29 17:30:28,659 INFO L131 PetriNetUnfolder]: For 129315/130718 co-relation queries the response was YES. [2023-08-29 17:30:28,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71330 conditions, 12159 events. 5856/12159 cut-off events. For 129315/130718 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 107444 event pairs, 711 based on Foata normal form. 577/12301 useless extension candidates. Maximal degree in co-relation 71287. Up to 6041 conditions per place. [2023-08-29 17:30:28,762 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 293 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2023-08-29 17:30:28,763 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 454 transitions, 8436 flow [2023-08-29 17:30:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5950 transitions. [2023-08-29 17:30:28,767 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4267068273092369 [2023-08-29 17:30:28,767 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5950 transitions. [2023-08-29 17:30:28,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5950 transitions. [2023-08-29 17:30:28,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:28,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5950 transitions. [2023-08-29 17:30:28,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 991.6666666666666) internal successors, (5950), 6 states have internal predecessors, (5950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:28,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:28,779 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:28,779 INFO L175 Difference]: Start difference. First operand has 162 places, 419 transitions, 7732 flow. Second operand 6 states and 5950 transitions. [2023-08-29 17:30:28,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 454 transitions, 8436 flow [2023-08-29 17:30:29,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 454 transitions, 8000 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-29 17:30:29,195 INFO L231 Difference]: Finished difference. Result has 158 places, 418 transitions, 7302 flow [2023-08-29 17:30:29,196 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=7294, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7302, PETRI_PLACES=158, PETRI_TRANSITIONS=418} [2023-08-29 17:30:29,196 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 18 predicate places. [2023-08-29 17:30:29,196 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 418 transitions, 7302 flow [2023-08-29 17:30:29,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 982.0) internal successors, (5892), 6 states have internal predecessors, (5892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:29,197 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:29,197 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:29,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 17:30:29,198 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 17:30:29,198 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:29,198 INFO L85 PathProgramCache]: Analyzing trace with hash -791284718, now seen corresponding path program 1 times [2023-08-29 17:30:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48430841] [2023-08-29 17:30:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:29,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:30:29,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:29,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48430841] [2023-08-29 17:30:29,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48430841] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:29,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:29,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:29,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042695064] [2023-08-29 17:30:29,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:29,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:29,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:29,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:29,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:30,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2324 [2023-08-29 17:30:30,171 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 418 transitions, 7302 flow. Second operand has 6 states, 6 states have (on average 982.8333333333334) internal successors, (5897), 6 states have internal predecessors, (5897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:30,171 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:30,171 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2324 [2023-08-29 17:30:30,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:32,457 INFO L130 PetriNetUnfolder]: 5326/11200 cut-off events. [2023-08-29 17:30:32,457 INFO L131 PetriNetUnfolder]: For 108164/109715 co-relation queries the response was YES. [2023-08-29 17:30:32,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65439 conditions, 11200 events. 5326/11200 cut-off events. For 108164/109715 co-relation queries the response was YES. Maximal size of possible extension queue 723. Compared 99429 event pairs, 869 based on Foata normal form. 628/11346 useless extension candidates. Maximal degree in co-relation 65396. Up to 6202 conditions per place. [2023-08-29 17:30:32,521 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 0 selfloop transitions, 0 changer transitions 441/441 dead transitions. [2023-08-29 17:30:32,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 441 transitions, 7942 flow [2023-08-29 17:30:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5937 transitions. [2023-08-29 17:30:32,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42577452667814114 [2023-08-29 17:30:32,525 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5937 transitions. [2023-08-29 17:30:32,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5937 transitions. [2023-08-29 17:30:32,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:32,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5937 transitions. [2023-08-29 17:30:32,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 989.5) internal successors, (5937), 6 states have internal predecessors, (5937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:32,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:32,535 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:32,535 INFO L175 Difference]: Start difference. First operand has 158 places, 418 transitions, 7302 flow. Second operand 6 states and 5937 transitions. [2023-08-29 17:30:32,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 441 transitions, 7942 flow [2023-08-29 17:30:32,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 441 transitions, 7935 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 17:30:32,929 INFO L231 Difference]: Finished difference. Result has 158 places, 0 transitions, 0 flow [2023-08-29 17:30:32,929 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=7293, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=158, PETRI_TRANSITIONS=0} [2023-08-29 17:30:32,930 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 18 predicate places. [2023-08-29 17:30:32,930 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 0 transitions, 0 flow [2023-08-29 17:30:32,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 982.8333333333334) internal successors, (5897), 6 states have internal predecessors, (5897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:30:32,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (88 of 89 remaining) [2023-08-29 17:30:32,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (87 of 89 remaining) [2023-08-29 17:30:32,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (86 of 89 remaining) [2023-08-29 17:30:32,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (85 of 89 remaining) [2023-08-29 17:30:32,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (84 of 89 remaining) [2023-08-29 17:30:32,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE (83 of 89 remaining) [2023-08-29 17:30:32,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (82 of 89 remaining) [2023-08-29 17:30:32,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr2ASSERT_VIOLATIONDATA_RACE (81 of 89 remaining) [2023-08-29 17:30:32,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (80 of 89 remaining) [2023-08-29 17:30:32,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (79 of 89 remaining) [2023-08-29 17:30:32,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (78 of 89 remaining) [2023-08-29 17:30:32,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (77 of 89 remaining) [2023-08-29 17:30:32,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (76 of 89 remaining) [2023-08-29 17:30:32,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (75 of 89 remaining) [2023-08-29 17:30:32,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (74 of 89 remaining) [2023-08-29 17:30:32,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (73 of 89 remaining) [2023-08-29 17:30:32,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (72 of 89 remaining) [2023-08-29 17:30:32,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (71 of 89 remaining) [2023-08-29 17:30:32,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (70 of 89 remaining) [2023-08-29 17:30:32,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (69 of 89 remaining) [2023-08-29 17:30:32,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (68 of 89 remaining) [2023-08-29 17:30:32,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (67 of 89 remaining) [2023-08-29 17:30:32,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (66 of 89 remaining) [2023-08-29 17:30:32,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (65 of 89 remaining) [2023-08-29 17:30:32,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (64 of 89 remaining) [2023-08-29 17:30:32,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (63 of 89 remaining) [2023-08-29 17:30:32,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (62 of 89 remaining) [2023-08-29 17:30:32,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (61 of 89 remaining) [2023-08-29 17:30:32,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (60 of 89 remaining) [2023-08-29 17:30:32,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (59 of 89 remaining) [2023-08-29 17:30:32,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (58 of 89 remaining) [2023-08-29 17:30:32,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (57 of 89 remaining) [2023-08-29 17:30:32,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (56 of 89 remaining) [2023-08-29 17:30:32,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (55 of 89 remaining) [2023-08-29 17:30:32,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (54 of 89 remaining) [2023-08-29 17:30:32,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (53 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (52 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (51 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (50 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (49 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (48 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (47 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (46 of 89 remaining) [2023-08-29 17:30:32,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (45 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (44 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (43 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (42 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (41 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (40 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (39 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (38 of 89 remaining) [2023-08-29 17:30:32,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (37 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (36 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (35 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (34 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (33 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (32 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (31 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (30 of 89 remaining) [2023-08-29 17:30:32,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (29 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (28 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (27 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (26 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (25 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (24 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (23 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (22 of 89 remaining) [2023-08-29 17:30:32,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (21 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (20 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (19 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (18 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (17 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (16 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (15 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (14 of 89 remaining) [2023-08-29 17:30:32,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (13 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (12 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (11 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (10 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (7 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (6 of 89 remaining) [2023-08-29 17:30:32,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (5 of 89 remaining) [2023-08-29 17:30:32,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (4 of 89 remaining) [2023-08-29 17:30:32,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (3 of 89 remaining) [2023-08-29 17:30:32,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE (2 of 89 remaining) [2023-08-29 17:30:32,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (1 of 89 remaining) [2023-08-29 17:30:32,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr2ASSERT_VIOLATIONDATA_RACE (0 of 89 remaining) [2023-08-29 17:30:32,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 17:30:32,945 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:32,948 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:30:32,948 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:30:32,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:30:32 BasicIcfg [2023-08-29 17:30:32,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:30:32,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:30:32,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:30:32,952 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:30:32,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:19:32" (3/4) ... [2023-08-29 17:30:32,954 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:30:32,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:30:32,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 17:30:32,968 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 17:30:32,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 17:30:32,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 17:30:32,971 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 17:30:33,024 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:30:33,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:30:33,025 INFO L158 Benchmark]: Toolchain (without parser) took 665706.45ms. Allocated memory was 69.2MB in the beginning and 6.1GB in the end (delta: 6.0GB). Free memory was 35.8MB in the beginning and 4.7GB in the end (delta: -4.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-08-29 17:30:33,025 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:30:33,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3788.71ms. Allocated memory was 69.2MB in the beginning and 148.9MB in the end (delta: 79.7MB). Free memory was 35.6MB in the beginning and 58.8MB in the end (delta: -23.3MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.42ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 58.8MB in the beginning and 120.2MB in the end (delta: -61.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,026 INFO L158 Benchmark]: Boogie Preprocessor took 85.99ms. Allocated memory is still 195.0MB. Free memory was 120.2MB in the beginning and 113.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,026 INFO L158 Benchmark]: RCFGBuilder took 1039.04ms. Allocated memory is still 195.0MB. Free memory was 112.8MB in the beginning and 89.7MB in the end (delta: 23.2MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,026 INFO L158 Benchmark]: TraceAbstraction took 660464.61ms. Allocated memory was 195.0MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 88.6MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-08-29 17:30:33,027 INFO L158 Benchmark]: Witness Printer took 73.29ms. Allocated memory is still 6.1GB. Free memory was 4.7GB in the beginning and 4.7GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 17:30:33,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3788.71ms. Allocated memory was 69.2MB in the beginning and 148.9MB in the end (delta: 79.7MB). Free memory was 35.6MB in the beginning and 58.8MB in the end (delta: -23.3MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.42ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 58.8MB in the beginning and 120.2MB in the end (delta: -61.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.99ms. Allocated memory is still 195.0MB. Free memory was 120.2MB in the beginning and 113.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1039.04ms. Allocated memory is still 195.0MB. Free memory was 112.8MB in the beginning and 89.7MB in the end (delta: 23.2MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * TraceAbstraction took 660464.61ms. Allocated memory was 195.0MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 88.6MB in the beginning and 4.7GB in the end (delta: -4.6GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 73.29ms. Allocated memory is still 6.1GB. Free memory was 4.7GB in the beginning and 4.7GB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 592.5s, 989 PlacesBefore, 140 PlacesAfterwards, 1025 TransitionsBefore, 154 TransitionsAfterwards, 10176 CoEnabledTransitionPairs, 14 FixpointIterations, 1109 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 52 TrivialYvCompositions, 10 ConcurrentYvCompositions, 22 ChoiceCompositions, 1289 TotalNumberOfCompositions, 41888 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10784, independent: 9614, independent conditional: 0, independent unconditional: 9614, dependent: 1170, dependent conditional: 0, dependent unconditional: 1170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5141, independent: 5074, independent conditional: 0, independent unconditional: 5074, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10784, independent: 4540, independent conditional: 0, independent unconditional: 4540, dependent: 1103, dependent conditional: 0, dependent unconditional: 1103, unknown: 5141, unknown conditional: 0, unknown unconditional: 5141] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 186, Positive conditional cache size: 0, Positive unconditional cache size: 186, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1663]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6883]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6884]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6864]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7042]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7043]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7044]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7045]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7046]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7047]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7048]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7049]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7050]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7051]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7052]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7053]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7054]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7055]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7056]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7057]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7058]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7059]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7060]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7061]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7062]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7063]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7064]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7065]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7070]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7071]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6901]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1109 locations, 89 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 660.3s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 53.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 592.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10151 SdHoareTripleChecker+Valid, 29.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7486 mSDsluCounter, 7056 SdHoareTripleChecker+Invalid, 27.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6535 mSDsCounter, 2232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27051 IncrementalHoareTripleChecker+Invalid, 29283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2232 mSolverCounterUnsat, 521 mSDtfsCounter, 27051 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7732occurred in iteration=16, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 3496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 79 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:30:33,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE