./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc093ebb342e6e2aeac5659b7fad110e8a742c2f2123ff4689086ab884a6098d --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:01:43,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:01:43,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:01:43,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:01:43,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:01:43,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:01:43,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:01:43,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:01:43,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:01:43,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:01:43,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:01:43,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:01:43,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:01:43,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:01:43,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:01:43,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:01:43,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:01:43,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:01:43,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:01:43,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:01:43,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:01:43,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:01:43,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:01:43,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:01:43,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:01:43,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:01:43,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:01:43,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:01:43,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:01:43,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:01:43,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:01:43,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:01:43,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:01:43,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:01:43,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:01:43,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:01:43,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:01:43,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:01:43,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:01:43,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:01:43,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:01:43,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:01:43,859 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:01:43,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:01:43,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:01:43,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:01:43,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:01:43,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:01:43,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:01:43,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:01:43,862 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:01:43,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:01:43,863 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:01:43,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:01:43,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:01:43,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:01:43,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:01:43,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:01:43,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:01:43,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:01:43,864 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:01:43,864 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:01:43,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:01:43,864 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:01:43,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:01:43,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:01:43,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:01:43,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:01:43,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:01:43,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:01:43,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:01:43,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:01:43,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:01:43,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:01:43,867 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:01:43,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:01:43,867 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:01:43,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:01:43,867 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:01:43,867 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc093ebb342e6e2aeac5659b7fad110e8a742c2f2123ff4689086ab884a6098d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:01:44,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:01:44,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:01:44,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:01:44,198 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:01:44,198 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:01:44,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-29 17:01:45,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:01:45,717 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:01:45,717 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-29 17:01:45,757 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0d17b80/17eb0b1ef6ce47fb83ac39ccf35bda7f/FLAG9af3d0d0c [2023-08-29 17:01:45,772 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0d17b80/17eb0b1ef6ce47fb83ac39ccf35bda7f [2023-08-29 17:01:45,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:01:45,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:01:45,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:01:45,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:01:45,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:01:45,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:01:45" (1/1) ... [2023-08-29 17:01:45,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c286513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:45, skipping insertion in model container [2023-08-29 17:01:45,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:01:45" (1/1) ... [2023-08-29 17:01:45,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:01:45,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:01:46,246 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-08-29 17:01:49,582 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:01:50,062 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:01:50,063 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:01:50,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:01:50,123 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:01:50,136 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-08-29 17:01:50,408 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:01:50,498 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:01:50,499 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:01:50,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:01:51,020 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:01:51,021 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:01:51,021 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:01:51,021 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:01:51,021 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:01:51,021 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:01:51,021 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:01:51,027 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:01:51,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51 WrapperNode [2023-08-29 17:01:51,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:01:51,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:01:51,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:01:51,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:01:51,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,209 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 1012 [2023-08-29 17:01:51,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:01:51,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:01:51,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:01:51,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:01:51,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:01:51,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:01:51,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:01:51,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:01:51,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (1/1) ... [2023-08-29 17:01:51,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:01:51,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:01:51,342 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 17:01:51,356 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 17:01:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:01:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:01:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:01:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:01:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 17:01:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 17:01:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:01:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:01:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 17:01:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:01:51,388 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:01:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:01:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:01:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:01:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:01:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 17:01:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:01:51,393 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 17:01:51,863 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:01:51,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:01:52,872 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:01:52,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:01:52,889 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-08-29 17:01:52,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:52 BoogieIcfgContainer [2023-08-29 17:01:52,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:01:52,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:01:52,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:01:52,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:01:52,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:01:45" (1/3) ... [2023-08-29 17:01:52,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e6853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:01:52, skipping insertion in model container [2023-08-29 17:01:52,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:01:51" (2/3) ... [2023-08-29 17:01:52,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e6853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:01:52, skipping insertion in model container [2023-08-29 17:01:52,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:52" (3/3) ... [2023-08-29 17:01:52,898 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-29 17:01:52,905 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:01:52,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:01:52,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 87 error locations. [2023-08-29 17:01:52,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:01:53,060 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:01:53,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1114 places, 1162 transitions, 2340 flow [2023-08-29 17:01:53,522 INFO L130 PetriNetUnfolder]: 55/1160 cut-off events. [2023-08-29 17:01:53,523 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:01:53,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 1160 events. 55/1160 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1750 event pairs, 0 based on Foata normal form. 0/1018 useless extension candidates. Maximal degree in co-relation 940. Up to 9 conditions per place. [2023-08-29 17:01:53,537 INFO L82 GeneralOperation]: Start removeDead. Operand has 1114 places, 1162 transitions, 2340 flow [2023-08-29 17:01:53,551 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1104 places, 1152 transitions, 2313 flow [2023-08-29 17:01:53,554 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:01:53,565 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1104 places, 1152 transitions, 2313 flow [2023-08-29 17:01:53,571 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1104 places, 1152 transitions, 2313 flow [2023-08-29 17:01:53,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1104 places, 1152 transitions, 2313 flow [2023-08-29 17:01:53,845 INFO L130 PetriNetUnfolder]: 55/1152 cut-off events. [2023-08-29 17:01:53,845 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:01:53,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1160 conditions, 1152 events. 55/1152 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1657 event pairs, 0 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 940. Up to 9 conditions per place. [2023-08-29 17:01:53,861 INFO L119 LiptonReduction]: Number of co-enabled transitions 28020 [2023-08-29 17:04:13,993 WARN L222 SmtUtils]: Spent 44.03s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:04:28,173 WARN L222 SmtUtils]: Spent 14.17s on a formula simplification that was a NOOP. DAG size: 522 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:05:07,000 WARN L222 SmtUtils]: Spent 38.82s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:05:22,036 WARN L222 SmtUtils]: Spent 15.02s on a formula simplification that was a NOOP. DAG size: 522 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:05:28,494 WARN L222 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 314 DAG size of output: 314 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:05:40,805 WARN L222 SmtUtils]: Spent 9.33s on a formula simplification. DAG size of input: 333 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:07:09,156 WARN L222 SmtUtils]: Spent 1.39m on a formula simplification. DAG size of input: 608 DAG size of output: 606 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:07:45,312 WARN L222 SmtUtils]: Spent 36.15s 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 17:10:00,482 WARN L222 SmtUtils]: Spent 2.25m on a formula simplification. DAG size of input: 611 DAG size of output: 609 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:10:28,463 WARN L222 SmtUtils]: Spent 27.97s 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 17:10:28,500 INFO L134 LiptonReduction]: Checked pairs total: 114829 [2023-08-29 17:10:28,501 INFO L136 LiptonReduction]: Total number of compositions: 1354 [2023-08-29 17:10:28,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:10:28,517 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;@279da790, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:10:28,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2023-08-29 17:10:28,519 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:10:28,519 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:10:28,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:28,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:10:28,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:28,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash 4150, now seen corresponding path program 1 times [2023-08-29 17:10:28,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:28,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551384230] [2023-08-29 17:10:28,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:28,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:28,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:28,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551384230] [2023-08-29 17:10:28,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551384230] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:28,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:28,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:10:28,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689132933] [2023-08-29 17:10:28,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:28,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:10:28,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:28,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:10:28,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:10:28,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1124 out of 2516 [2023-08-29 17:10:28,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 192 transitions, 393 flow. Second operand has 2 states, 2 states have (on average 1124.5) internal successors, (2249), 2 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:28,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:28,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1124 of 2516 [2023-08-29 17:10:28,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:29,126 INFO L130 PetriNetUnfolder]: 383/1136 cut-off events. [2023-08-29 17:10:29,129 INFO L131 PetriNetUnfolder]: For 68/118 co-relation queries the response was YES. [2023-08-29 17:10:29,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1884 conditions, 1136 events. 383/1136 cut-off events. For 68/118 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6418 event pairs, 372 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 1491. Up to 708 conditions per place. [2023-08-29 17:10:29,140 INFO L137 encePairwiseOnDemand]: 2436/2516 looper letters, 59 selfloop transitions, 0 changer transitions 0/112 dead transitions. [2023-08-29 17:10:29,140 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 112 transitions, 351 flow [2023-08-29 17:10:29,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:10:29,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:10:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2387 transitions. [2023-08-29 17:10:29,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47436406995230523 [2023-08-29 17:10:29,163 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2387 transitions. [2023-08-29 17:10:29,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2387 transitions. [2023-08-29 17:10:29,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:29,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2387 transitions. [2023-08-29 17:10:29,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1193.5) internal successors, (2387), 2 states have internal predecessors, (2387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:29,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2516.0) internal successors, (7548), 3 states have internal predecessors, (7548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:29,197 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2516.0) internal successors, (7548), 3 states have internal predecessors, (7548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:29,199 INFO L175 Difference]: Start difference. First operand has 175 places, 192 transitions, 393 flow. Second operand 2 states and 2387 transitions. [2023-08-29 17:10:29,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 112 transitions, 351 flow [2023-08-29 17:10:29,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 112 transitions, 346 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:10:29,206 INFO L231 Difference]: Finished difference. Result has 106 places, 112 transitions, 228 flow [2023-08-29 17:10:29,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=228, PETRI_PLACES=106, PETRI_TRANSITIONS=112} [2023-08-29 17:10:29,212 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -69 predicate places. [2023-08-29 17:10:29,212 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 112 transitions, 228 flow [2023-08-29 17:10:29,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1124.5) internal successors, (2249), 2 states have internal predecessors, (2249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:29,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:29,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:10:29,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:10:29,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:29,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:29,219 INFO L85 PathProgramCache]: Analyzing trace with hash 4181848, now seen corresponding path program 1 times [2023-08-29 17:10:29,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:29,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089460018] [2023-08-29 17:10:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:29,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:29,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:29,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089460018] [2023-08-29 17:10:29,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089460018] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:29,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:29,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:29,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099030683] [2023-08-29 17:10:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:29,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:29,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:29,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:29,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:29,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1105 out of 2516 [2023-08-29 17:10:29,593 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 112 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 1106.0) internal successors, (3318), 3 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:29,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:29,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1105 of 2516 [2023-08-29 17:10:29,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:30,182 INFO L130 PetriNetUnfolder]: 383/1134 cut-off events. [2023-08-29 17:10:30,182 INFO L131 PetriNetUnfolder]: For 20/70 co-relation queries the response was YES. [2023-08-29 17:10:30,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1855 conditions, 1134 events. 383/1134 cut-off events. For 20/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6421 event pairs, 372 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 1852. Up to 705 conditions per place. [2023-08-29 17:10:30,188 INFO L137 encePairwiseOnDemand]: 2511/2516 looper letters, 56 selfloop transitions, 3 changer transitions 0/110 dead transitions. [2023-08-29 17:10:30,188 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 110 transitions, 342 flow [2023-08-29 17:10:30,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3376 transitions. [2023-08-29 17:10:30,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4472708002119767 [2023-08-29 17:10:30,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3376 transitions. [2023-08-29 17:10:30,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3376 transitions. [2023-08-29 17:10:30,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:30,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3376 transitions. [2023-08-29 17:10:30,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1125.3333333333333) internal successors, (3376), 3 states have internal predecessors, (3376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,221 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,221 INFO L175 Difference]: Start difference. First operand has 106 places, 112 transitions, 228 flow. Second operand 3 states and 3376 transitions. [2023-08-29 17:10:30,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 110 transitions, 342 flow [2023-08-29 17:10:30,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 110 transitions, 342 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:10:30,224 INFO L231 Difference]: Finished difference. Result has 106 places, 110 transitions, 230 flow [2023-08-29 17:10:30,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=106, PETRI_TRANSITIONS=110} [2023-08-29 17:10:30,225 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -69 predicate places. [2023-08-29 17:10:30,225 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 110 transitions, 230 flow [2023-08-29 17:10:30,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1106.0) internal successors, (3318), 3 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:30,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:10:30,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:10:30,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:30,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:30,228 INFO L85 PathProgramCache]: Analyzing trace with hash -273928749, now seen corresponding path program 1 times [2023-08-29 17:10:30,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:30,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811218979] [2023-08-29 17:10:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:30,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:30,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:30,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811218979] [2023-08-29 17:10:30,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811218979] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:30,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:30,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:30,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303212326] [2023-08-29 17:10:30,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:30,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:30,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:30,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:30,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:30,499 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1120 out of 2516 [2023-08-29 17:10:30,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 110 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 1121.3333333333333) internal successors, (3364), 3 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,503 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:30,503 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1120 of 2516 [2023-08-29 17:10:30,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:30,798 INFO L130 PetriNetUnfolder]: 381/1131 cut-off events. [2023-08-29 17:10:30,799 INFO L131 PetriNetUnfolder]: For 20/70 co-relation queries the response was YES. [2023-08-29 17:10:30,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1852 conditions, 1131 events. 381/1131 cut-off events. For 20/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6390 event pairs, 372 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 1848. Up to 704 conditions per place. [2023-08-29 17:10:30,805 INFO L137 encePairwiseOnDemand]: 2513/2516 looper letters, 55 selfloop transitions, 1 changer transitions 0/107 dead transitions. [2023-08-29 17:10:30,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 107 transitions, 334 flow [2023-08-29 17:10:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3418 transitions. [2023-08-29 17:10:30,814 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4528351881293058 [2023-08-29 17:10:30,814 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3418 transitions. [2023-08-29 17:10:30,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3418 transitions. [2023-08-29 17:10:30,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:30,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3418 transitions. [2023-08-29 17:10:30,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1139.3333333333333) internal successors, (3418), 3 states have internal predecessors, (3418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,835 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,835 INFO L175 Difference]: Start difference. First operand has 106 places, 110 transitions, 230 flow. Second operand 3 states and 3418 transitions. [2023-08-29 17:10:30,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 107 transitions, 334 flow [2023-08-29 17:10:30,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 107 transitions, 332 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:10:30,840 INFO L231 Difference]: Finished difference. Result has 106 places, 107 transitions, 222 flow [2023-08-29 17:10:30,840 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=106, PETRI_TRANSITIONS=107} [2023-08-29 17:10:30,841 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -69 predicate places. [2023-08-29 17:10:30,842 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 107 transitions, 222 flow [2023-08-29 17:10:30,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1121.3333333333333) internal successors, (3364), 3 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:30,858 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:30,858 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 17:10:30,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:10:30,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:30,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash 102304871, now seen corresponding path program 1 times [2023-08-29 17:10:30,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:30,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407688791] [2023-08-29 17:10:30,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:31,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:31,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407688791] [2023-08-29 17:10:31,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407688791] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:31,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:31,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:31,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603342123] [2023-08-29 17:10:31,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:31,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:31,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:31,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:31,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:31,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1114 out of 2516 [2023-08-29 17:10:31,036 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 107 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 1116.0) internal successors, (3348), 3 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:31,036 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:31,036 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1114 of 2516 [2023-08-29 17:10:31,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:31,699 INFO L130 PetriNetUnfolder]: 381/1122 cut-off events. [2023-08-29 17:10:31,700 INFO L131 PetriNetUnfolder]: For 20/70 co-relation queries the response was YES. [2023-08-29 17:10:31,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 1122 events. 381/1122 cut-off events. For 20/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6314 event pairs, 372 based on Foata normal form. 0/1052 useless extension candidates. Maximal degree in co-relation 1840. Up to 704 conditions per place. [2023-08-29 17:10:31,706 INFO L137 encePairwiseOnDemand]: 2513/2516 looper letters, 55 selfloop transitions, 1 changer transitions 0/105 dead transitions. [2023-08-29 17:10:31,706 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 105 transitions, 330 flow [2023-08-29 17:10:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3400 transitions. [2023-08-29 17:10:31,714 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45045045045045046 [2023-08-29 17:10:31,714 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3400 transitions. [2023-08-29 17:10:31,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3400 transitions. [2023-08-29 17:10:31,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:31,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3400 transitions. [2023-08-29 17:10:31,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1133.3333333333333) internal successors, (3400), 3 states have internal predecessors, (3400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:31,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:31,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:31,731 INFO L175 Difference]: Start difference. First operand has 106 places, 107 transitions, 222 flow. Second operand 3 states and 3400 transitions. [2023-08-29 17:10:31,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 105 transitions, 330 flow [2023-08-29 17:10:31,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 105 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:10:31,734 INFO L231 Difference]: Finished difference. Result has 105 places, 105 transitions, 219 flow [2023-08-29 17:10:31,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=105, PETRI_TRANSITIONS=105} [2023-08-29 17:10:31,735 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -70 predicate places. [2023-08-29 17:10:31,735 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 105 transitions, 219 flow [2023-08-29 17:10:31,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1116.0) internal successors, (3348), 3 states have internal predecessors, (3348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:31,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:31,736 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:31,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:10:31,736 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:31,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:31,737 INFO L85 PathProgramCache]: Analyzing trace with hash -468166300, now seen corresponding path program 1 times [2023-08-29 17:10:31,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:31,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449166800] [2023-08-29 17:10:31,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:31,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:31,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:31,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449166800] [2023-08-29 17:10:31,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449166800] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:31,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:31,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:31,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815148790] [2023-08-29 17:10:31,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:31,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:31,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:31,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:31,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:31,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1099 out of 2516 [2023-08-29 17:10:31,895 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 105 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 1101.6666666666667) internal successors, (3305), 3 states have internal predecessors, (3305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:31,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:31,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1099 of 2516 [2023-08-29 17:10:31,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:32,408 INFO L130 PetriNetUnfolder]: 642/1704 cut-off events. [2023-08-29 17:10:32,408 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 17:10:32,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2886 conditions, 1704 events. 642/1704 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9817 event pairs, 256 based on Foata normal form. 0/1669 useless extension candidates. Maximal degree in co-relation 2882. Up to 1044 conditions per place. [2023-08-29 17:10:32,418 INFO L137 encePairwiseOnDemand]: 2508/2516 looper letters, 73 selfloop transitions, 3 changer transitions 0/116 dead transitions. [2023-08-29 17:10:32,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 116 transitions, 396 flow [2023-08-29 17:10:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:32,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3378 transitions. [2023-08-29 17:10:32,426 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44753577106518283 [2023-08-29 17:10:32,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3378 transitions. [2023-08-29 17:10:32,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3378 transitions. [2023-08-29 17:10:32,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:32,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3378 transitions. [2023-08-29 17:10:32,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1126.0) internal successors, (3378), 3 states have internal predecessors, (3378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:32,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:32,489 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:32,489 INFO L175 Difference]: Start difference. First operand has 105 places, 105 transitions, 219 flow. Second operand 3 states and 3378 transitions. [2023-08-29 17:10:32,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 116 transitions, 396 flow [2023-08-29 17:10:32,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 116 transitions, 395 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:10:32,491 INFO L231 Difference]: Finished difference. Result has 102 places, 102 transitions, 225 flow [2023-08-29 17:10:32,492 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=102, PETRI_TRANSITIONS=102} [2023-08-29 17:10:32,492 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -73 predicate places. [2023-08-29 17:10:32,492 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 102 transitions, 225 flow [2023-08-29 17:10:32,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1101.6666666666667) internal successors, (3305), 3 states have internal predecessors, (3305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:32,493 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:32,493 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:32,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:10:32,494 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:32,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1627943513, now seen corresponding path program 1 times [2023-08-29 17:10:32,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:32,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623144349] [2023-08-29 17:10:32,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:32,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:32,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:32,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623144349] [2023-08-29 17:10:32,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623144349] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:32,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:32,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:32,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187637288] [2023-08-29 17:10:32,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:32,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:32,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:32,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:32,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:32,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1102 out of 2516 [2023-08-29 17:10:32,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 102 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 1105.3333333333333) internal successors, (3316), 3 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:32,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:32,941 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1102 of 2516 [2023-08-29 17:10:32,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:33,520 INFO L130 PetriNetUnfolder]: 456/1309 cut-off events. [2023-08-29 17:10:33,520 INFO L131 PetriNetUnfolder]: For 25/53 co-relation queries the response was YES. [2023-08-29 17:10:33,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 1309 events. 456/1309 cut-off events. For 25/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7478 event pairs, 155 based on Foata normal form. 0/1262 useless extension candidates. Maximal degree in co-relation 2229. Up to 586 conditions per place. [2023-08-29 17:10:33,528 INFO L137 encePairwiseOnDemand]: 2512/2516 looper letters, 62 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2023-08-29 17:10:33,528 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 107 transitions, 364 flow [2023-08-29 17:10:33,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:33,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3371 transitions. [2023-08-29 17:10:33,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44660837307896134 [2023-08-29 17:10:33,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3371 transitions. [2023-08-29 17:10:33,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3371 transitions. [2023-08-29 17:10:33,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:33,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3371 transitions. [2023-08-29 17:10:33,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1123.6666666666667) internal successors, (3371), 3 states have internal predecessors, (3371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:33,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:33,553 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:33,553 INFO L175 Difference]: Start difference. First operand has 102 places, 102 transitions, 225 flow. Second operand 3 states and 3371 transitions. [2023-08-29 17:10:33,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 107 transitions, 364 flow [2023-08-29 17:10:33,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 107 transitions, 364 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:10:33,555 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 225 flow [2023-08-29 17:10:33,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2023-08-29 17:10:33,558 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -73 predicate places. [2023-08-29 17:10:33,558 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 225 flow [2023-08-29 17:10:33,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1105.3333333333333) internal successors, (3316), 3 states have internal predecessors, (3316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:33,559 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:33,559 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:33,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:10:33,560 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:33,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:33,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1363937630, now seen corresponding path program 1 times [2023-08-29 17:10:33,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:33,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149493191] [2023-08-29 17:10:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:34,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:34,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149493191] [2023-08-29 17:10:34,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149493191] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:34,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:34,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:34,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330561001] [2023-08-29 17:10:34,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:34,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:10:34,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:34,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:10:34,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:10:35,016 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1103 out of 2516 [2023-08-29 17:10:35,020 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 1105.0) internal successors, (6630), 6 states have internal predecessors, (6630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:35,020 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:35,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1103 of 2516 [2023-08-29 17:10:35,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:36,133 INFO L130 PetriNetUnfolder]: 2007/3873 cut-off events. [2023-08-29 17:10:36,134 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2023-08-29 17:10:36,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7483 conditions, 3873 events. 2007/3873 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 24401 event pairs, 504 based on Foata normal form. 0/3787 useless extension candidates. Maximal degree in co-relation 7478. Up to 1111 conditions per place. [2023-08-29 17:10:36,152 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 176 selfloop transitions, 9 changer transitions 0/222 dead transitions. [2023-08-29 17:10:36,152 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 222 transitions, 876 flow [2023-08-29 17:10:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:10:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:10:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6799 transitions. [2023-08-29 17:10:36,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45038420773714893 [2023-08-29 17:10:36,166 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6799 transitions. [2023-08-29 17:10:36,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6799 transitions. [2023-08-29 17:10:36,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:36,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6799 transitions. [2023-08-29 17:10:36,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1133.1666666666667) internal successors, (6799), 6 states have internal predecessors, (6799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:36,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:36,197 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:36,197 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 225 flow. Second operand 6 states and 6799 transitions. [2023-08-29 17:10:36,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 222 transitions, 876 flow [2023-08-29 17:10:36,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 222 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:10:36,202 INFO L231 Difference]: Finished difference. Result has 110 places, 108 transitions, 285 flow [2023-08-29 17:10:36,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=110, PETRI_TRANSITIONS=108} [2023-08-29 17:10:36,203 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -65 predicate places. [2023-08-29 17:10:36,203 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 108 transitions, 285 flow [2023-08-29 17:10:36,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1105.0) internal successors, (6630), 6 states have internal predecessors, (6630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:36,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:36,205 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:36,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:10:36,205 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:36,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:36,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1529110616, now seen corresponding path program 1 times [2023-08-29 17:10:36,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:36,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099650543] [2023-08-29 17:10:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:36,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:36,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:36,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:36,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099650543] [2023-08-29 17:10:36,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099650543] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:36,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:36,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:36,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083922940] [2023-08-29 17:10:36,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:36,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:10:36,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:36,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:10:36,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:10:37,665 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1102 out of 2516 [2023-08-29 17:10:37,669 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 108 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 1103.8333333333333) internal successors, (6623), 6 states have internal predecessors, (6623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:37,669 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:37,669 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1102 of 2516 [2023-08-29 17:10:37,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:38,556 INFO L130 PetriNetUnfolder]: 1121/2758 cut-off events. [2023-08-29 17:10:38,556 INFO L131 PetriNetUnfolder]: For 172/202 co-relation queries the response was YES. [2023-08-29 17:10:38,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5284 conditions, 2758 events. 1121/2758 cut-off events. For 172/202 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 17613 event pairs, 335 based on Foata normal form. 0/2671 useless extension candidates. Maximal degree in co-relation 5275. Up to 1018 conditions per place. [2023-08-29 17:10:38,572 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 172 selfloop transitions, 25 changer transitions 0/239 dead transitions. [2023-08-29 17:10:38,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 239 transitions, 1030 flow [2023-08-29 17:10:38,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:10:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:10:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6789 transitions. [2023-08-29 17:10:38,586 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44972178060413354 [2023-08-29 17:10:38,586 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6789 transitions. [2023-08-29 17:10:38,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6789 transitions. [2023-08-29 17:10:38,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:38,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6789 transitions. [2023-08-29 17:10:38,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1131.5) internal successors, (6789), 6 states have internal predecessors, (6789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:38,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:38,618 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:38,618 INFO L175 Difference]: Start difference. First operand has 110 places, 108 transitions, 285 flow. Second operand 6 states and 6789 transitions. [2023-08-29 17:10:38,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 239 transitions, 1030 flow [2023-08-29 17:10:38,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 239 transitions, 1030 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:10:38,627 INFO L231 Difference]: Finished difference. Result has 120 places, 132 transitions, 525 flow [2023-08-29 17:10:38,627 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=525, PETRI_PLACES=120, PETRI_TRANSITIONS=132} [2023-08-29 17:10:38,628 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -55 predicate places. [2023-08-29 17:10:38,628 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 132 transitions, 525 flow [2023-08-29 17:10:38,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1103.8333333333333) internal successors, (6623), 6 states have internal predecessors, (6623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:38,630 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:38,630 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:38,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:10:38,633 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:38,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:38,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1013883145, now seen corresponding path program 1 times [2023-08-29 17:10:38,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:38,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617039818] [2023-08-29 17:10:38,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:38,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:39,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:39,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617039818] [2023-08-29 17:10:39,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617039818] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:39,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:39,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:39,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991508123] [2023-08-29 17:10:39,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:39,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:10:39,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:10:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:10:40,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 2516 [2023-08-29 17:10:40,125 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 132 transitions, 525 flow. Second operand has 6 states, 6 states have (on average 1087.1666666666667) internal successors, (6523), 6 states have internal predecessors, (6523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:40,125 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:40,125 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 2516 [2023-08-29 17:10:40,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:40,809 INFO L130 PetriNetUnfolder]: 905/2235 cut-off events. [2023-08-29 17:10:40,809 INFO L131 PetriNetUnfolder]: For 639/790 co-relation queries the response was YES. [2023-08-29 17:10:40,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4774 conditions, 2235 events. 905/2235 cut-off events. For 639/790 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 14109 event pairs, 382 based on Foata normal form. 57/2220 useless extension candidates. Maximal degree in co-relation 4760. Up to 979 conditions per place. [2023-08-29 17:10:40,823 INFO L137 encePairwiseOnDemand]: 2507/2516 looper letters, 95 selfloop transitions, 29 changer transitions 0/156 dead transitions. [2023-08-29 17:10:40,823 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 156 transitions, 833 flow [2023-08-29 17:10:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:10:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:10:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6606 transitions. [2023-08-29 17:10:40,835 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4375993640699523 [2023-08-29 17:10:40,835 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6606 transitions. [2023-08-29 17:10:40,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6606 transitions. [2023-08-29 17:10:40,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:40,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6606 transitions. [2023-08-29 17:10:40,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1101.0) internal successors, (6606), 6 states have internal predecessors, (6606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:40,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:40,856 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:40,857 INFO L175 Difference]: Start difference. First operand has 120 places, 132 transitions, 525 flow. Second operand 6 states and 6606 transitions. [2023-08-29 17:10:40,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 156 transitions, 833 flow [2023-08-29 17:10:40,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 156 transitions, 833 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:10:40,863 INFO L231 Difference]: Finished difference. Result has 121 places, 128 transitions, 575 flow [2023-08-29 17:10:40,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=575, PETRI_PLACES=121, PETRI_TRANSITIONS=128} [2023-08-29 17:10:40,864 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -54 predicate places. [2023-08-29 17:10:40,864 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 128 transitions, 575 flow [2023-08-29 17:10:40,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1087.1666666666667) internal successors, (6523), 6 states have internal predecessors, (6523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:40,865 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:40,865 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:40,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:10:40,866 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:40,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:40,866 INFO L85 PathProgramCache]: Analyzing trace with hash -625660519, now seen corresponding path program 1 times [2023-08-29 17:10:40,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:40,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576399014] [2023-08-29 17:10:40,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:40,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:41,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:41,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576399014] [2023-08-29 17:10:41,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576399014] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:41,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:41,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:41,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422918419] [2023-08-29 17:10:41,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:41,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:10:41,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:41,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:10:41,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:10:42,232 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1103 out of 2516 [2023-08-29 17:10:42,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 128 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 1106.0) internal successors, (6636), 6 states have internal predecessors, (6636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:42,234 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:42,234 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1103 of 2516 [2023-08-29 17:10:42,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:43,052 INFO L130 PetriNetUnfolder]: 860/2309 cut-off events. [2023-08-29 17:10:43,052 INFO L131 PetriNetUnfolder]: For 892/1015 co-relation queries the response was YES. [2023-08-29 17:10:43,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4931 conditions, 2309 events. 860/2309 cut-off events. For 892/1015 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 15228 event pairs, 577 based on Foata normal form. 29/2273 useless extension candidates. Maximal degree in co-relation 4916. Up to 1378 conditions per place. [2023-08-29 17:10:43,064 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 175 selfloop transitions, 9 changer transitions 4/228 dead transitions. [2023-08-29 17:10:43,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 228 transitions, 1199 flow [2023-08-29 17:10:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:10:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:10:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6781 transitions. [2023-08-29 17:10:43,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44919183889772124 [2023-08-29 17:10:43,080 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6781 transitions. [2023-08-29 17:10:43,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6781 transitions. [2023-08-29 17:10:43,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:43,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6781 transitions. [2023-08-29 17:10:43,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1130.1666666666667) internal successors, (6781), 6 states have internal predecessors, (6781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:43,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:43,102 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:43,102 INFO L175 Difference]: Start difference. First operand has 121 places, 128 transitions, 575 flow. Second operand 6 states and 6781 transitions. [2023-08-29 17:10:43,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 228 transitions, 1199 flow [2023-08-29 17:10:43,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 228 transitions, 1133 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 17:10:43,109 INFO L231 Difference]: Finished difference. Result has 126 places, 136 transitions, 613 flow [2023-08-29 17:10:43,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=613, PETRI_PLACES=126, PETRI_TRANSITIONS=136} [2023-08-29 17:10:43,109 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -49 predicate places. [2023-08-29 17:10:43,110 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 136 transitions, 613 flow [2023-08-29 17:10:43,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1106.0) internal successors, (6636), 6 states have internal predecessors, (6636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:43,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:43,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:43,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:10:43,111 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:43,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:43,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2006173085, now seen corresponding path program 1 times [2023-08-29 17:10:43,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:43,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871073444] [2023-08-29 17:10:43,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:43,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:43,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:43,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871073444] [2023-08-29 17:10:43,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871073444] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:43,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:43,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:43,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065740913] [2023-08-29 17:10:43,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:43,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:43,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:43,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:43,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:43,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1053 out of 2516 [2023-08-29 17:10:43,596 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 136 transitions, 613 flow. Second operand has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:43,596 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:43,596 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1053 of 2516 [2023-08-29 17:10:43,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:44,784 INFO L130 PetriNetUnfolder]: 5199/9168 cut-off events. [2023-08-29 17:10:44,785 INFO L131 PetriNetUnfolder]: For 9305/9338 co-relation queries the response was YES. [2023-08-29 17:10:44,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25428 conditions, 9168 events. 5199/9168 cut-off events. For 9305/9338 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 52739 event pairs, 4432 based on Foata normal form. 0/8968 useless extension candidates. Maximal degree in co-relation 25409. Up to 8543 conditions per place. [2023-08-29 17:10:44,838 INFO L137 encePairwiseOnDemand]: 2501/2516 looper letters, 100 selfloop transitions, 42 changer transitions 0/156 dead transitions. [2023-08-29 17:10:44,839 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 156 transitions, 972 flow [2023-08-29 17:10:44,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3263 transitions. [2023-08-29 17:10:44,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43229994700582935 [2023-08-29 17:10:44,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3263 transitions. [2023-08-29 17:10:44,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3263 transitions. [2023-08-29 17:10:44,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:44,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3263 transitions. [2023-08-29 17:10:44,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1087.6666666666667) internal successors, (3263), 3 states have internal predecessors, (3263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:44,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:44,859 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:44,859 INFO L175 Difference]: Start difference. First operand has 126 places, 136 transitions, 613 flow. Second operand 3 states and 3263 transitions. [2023-08-29 17:10:44,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 156 transitions, 972 flow [2023-08-29 17:10:44,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 156 transitions, 972 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:10:44,899 INFO L231 Difference]: Finished difference. Result has 129 places, 149 transitions, 823 flow [2023-08-29 17:10:44,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=129, PETRI_TRANSITIONS=149} [2023-08-29 17:10:44,899 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -46 predicate places. [2023-08-29 17:10:44,900 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 149 transitions, 823 flow [2023-08-29 17:10:44,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.0) internal successors, (3201), 3 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:44,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:44,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:44,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:10:44,901 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:44,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:44,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1675277191, now seen corresponding path program 1 times [2023-08-29 17:10:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:44,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913014399] [2023-08-29 17:10:44,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:44,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:49,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:49,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913014399] [2023-08-29 17:10:49,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913014399] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:49,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:49,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:10:49,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785090370] [2023-08-29 17:10:49,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:49,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 17:10:49,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:49,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 17:10:49,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 17:10:51,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1040 out of 2516 [2023-08-29 17:10:51,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 149 transitions, 823 flow. Second operand has 7 states, 7 states have (on average 1046.2857142857142) internal successors, (7324), 7 states have internal predecessors, (7324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:51,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:51,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1040 of 2516 [2023-08-29 17:10:51,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:52,475 INFO L130 PetriNetUnfolder]: 5184/9144 cut-off events. [2023-08-29 17:10:52,475 INFO L131 PetriNetUnfolder]: For 12528/12571 co-relation queries the response was YES. [2023-08-29 17:10:52,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27278 conditions, 9144 events. 5184/9144 cut-off events. For 12528/12571 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 52499 event pairs, 4379 based on Foata normal form. 0/8996 useless extension candidates. Maximal degree in co-relation 27257. Up to 8343 conditions per place. [2023-08-29 17:10:52,532 INFO L137 encePairwiseOnDemand]: 2502/2516 looper letters, 106 selfloop transitions, 47 changer transitions 0/167 dead transitions. [2023-08-29 17:10:52,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 167 transitions, 1216 flow [2023-08-29 17:10:52,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:10:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:10:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5304 transitions. [2023-08-29 17:10:52,543 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42162162162162165 [2023-08-29 17:10:52,543 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5304 transitions. [2023-08-29 17:10:52,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5304 transitions. [2023-08-29 17:10:52,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:52,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5304 transitions. [2023-08-29 17:10:52,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1060.8) internal successors, (5304), 5 states have internal predecessors, (5304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:52,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:52,564 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:52,564 INFO L175 Difference]: Start difference. First operand has 129 places, 149 transitions, 823 flow. Second operand 5 states and 5304 transitions. [2023-08-29 17:10:52,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 167 transitions, 1216 flow [2023-08-29 17:10:52,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 167 transitions, 1156 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-08-29 17:10:52,632 INFO L231 Difference]: Finished difference. Result has 133 places, 155 transitions, 953 flow [2023-08-29 17:10:52,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=953, PETRI_PLACES=133, PETRI_TRANSITIONS=155} [2023-08-29 17:10:52,633 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -42 predicate places. [2023-08-29 17:10:52,633 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 155 transitions, 953 flow [2023-08-29 17:10:52,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1046.2857142857142) internal successors, (7324), 7 states have internal predecessors, (7324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:52,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:52,635 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:52,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:10:52,635 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:52,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:52,635 INFO L85 PathProgramCache]: Analyzing trace with hash 508322510, now seen corresponding path program 1 times [2023-08-29 17:10:52,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:52,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046333908] [2023-08-29 17:10:52,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:52,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:10:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:10:52,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:10:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046333908] [2023-08-29 17:10:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046333908] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:10:52,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:10:52,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:10:52,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619010955] [2023-08-29 17:10:52,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:10:52,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:10:52,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:10:52,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:10:52,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:10:53,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1105 out of 2516 [2023-08-29 17:10:53,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 155 transitions, 953 flow. Second operand has 3 states, 3 states have (on average 1115.0) internal successors, (3345), 3 states have internal predecessors, (3345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:53,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:10:53,192 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1105 of 2516 [2023-08-29 17:10:53,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:10:53,679 INFO L130 PetriNetUnfolder]: 923/2377 cut-off events. [2023-08-29 17:10:53,679 INFO L131 PetriNetUnfolder]: For 3044/3501 co-relation queries the response was YES. [2023-08-29 17:10:53,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6565 conditions, 2377 events. 923/2377 cut-off events. For 3044/3501 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 15320 event pairs, 453 based on Foata normal form. 67/2392 useless extension candidates. Maximal degree in co-relation 6543. Up to 1181 conditions per place. [2023-08-29 17:10:53,692 INFO L137 encePairwiseOnDemand]: 2514/2516 looper letters, 93 selfloop transitions, 1 changer transitions 2/162 dead transitions. [2023-08-29 17:10:53,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 162 transitions, 1166 flow [2023-08-29 17:10:53,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:10:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:10:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3379 transitions. [2023-08-29 17:10:53,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4476682564917859 [2023-08-29 17:10:53,762 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3379 transitions. [2023-08-29 17:10:53,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3379 transitions. [2023-08-29 17:10:53,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:10:53,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3379 transitions. [2023-08-29 17:10:53,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1126.3333333333333) internal successors, (3379), 3 states have internal predecessors, (3379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:53,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:53,772 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2516.0) internal successors, (10064), 4 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:53,772 INFO L175 Difference]: Start difference. First operand has 133 places, 155 transitions, 953 flow. Second operand 3 states and 3379 transitions. [2023-08-29 17:10:53,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 162 transitions, 1166 flow [2023-08-29 17:10:53,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 162 transitions, 1110 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-08-29 17:10:53,786 INFO L231 Difference]: Finished difference. Result has 131 places, 154 transitions, 897 flow [2023-08-29 17:10:53,786 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=131, PETRI_TRANSITIONS=154} [2023-08-29 17:10:53,787 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -44 predicate places. [2023-08-29 17:10:53,787 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 154 transitions, 897 flow [2023-08-29 17:10:53,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1115.0) internal successors, (3345), 3 states have internal predecessors, (3345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:10:53,787 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:10:53,788 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:10:53,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:10:53,788 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:10:53,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:10:53,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1385230209, now seen corresponding path program 1 times [2023-08-29 17:10:53,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:10:53,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452492633] [2023-08-29 17:10:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:10:53,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:10:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:11:06,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:06,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452492633] [2023-08-29 17:11:06,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452492633] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:06,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:06,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 17:11:06,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794193531] [2023-08-29 17:11:06,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:06,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 17:11:06,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:06,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 17:11:06,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-08-29 17:11:09,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 2516 [2023-08-29 17:11:09,868 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 154 transitions, 897 flow. Second operand has 12 states, 12 states have (on average 1086.75) internal successors, (13041), 12 states have internal predecessors, (13041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:09,869 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:09,869 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 2516 [2023-08-29 17:11:09,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:12,289 INFO L130 PetriNetUnfolder]: 2793/5321 cut-off events. [2023-08-29 17:11:12,289 INFO L131 PetriNetUnfolder]: For 5485/6135 co-relation queries the response was YES. [2023-08-29 17:11:12,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15629 conditions, 5321 events. 2793/5321 cut-off events. For 5485/6135 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 33336 event pairs, 493 based on Foata normal form. 434/5643 useless extension candidates. Maximal degree in co-relation 15607. Up to 1667 conditions per place. [2023-08-29 17:11:12,317 INFO L137 encePairwiseOnDemand]: 2508/2516 looper letters, 210 selfloop transitions, 14 changer transitions 0/276 dead transitions. [2023-08-29 17:11:12,318 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 276 transitions, 1683 flow [2023-08-29 17:11:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:11:12,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:11:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8846 transitions. [2023-08-29 17:11:12,329 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4394872813990461 [2023-08-29 17:11:12,329 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 8846 transitions. [2023-08-29 17:11:12,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 8846 transitions. [2023-08-29 17:11:12,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:12,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 8846 transitions. [2023-08-29 17:11:12,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1105.75) internal successors, (8846), 8 states have internal predecessors, (8846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:12,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:12,352 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:12,352 INFO L175 Difference]: Start difference. First operand has 131 places, 154 transitions, 897 flow. Second operand 8 states and 8846 transitions. [2023-08-29 17:11:12,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 276 transitions, 1683 flow [2023-08-29 17:11:12,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 276 transitions, 1667 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:11:12,413 INFO L231 Difference]: Finished difference. Result has 135 places, 153 transitions, 909 flow [2023-08-29 17:11:12,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=909, PETRI_PLACES=135, PETRI_TRANSITIONS=153} [2023-08-29 17:11:12,413 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -40 predicate places. [2023-08-29 17:11:12,414 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 153 transitions, 909 flow [2023-08-29 17:11:12,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1086.75) internal successors, (13041), 12 states have internal predecessors, (13041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:12,415 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:12,415 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:11:12,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 17:11:12,416 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:11:12,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:12,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1752794428, now seen corresponding path program 1 times [2023-08-29 17:11:12,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:12,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595161898] [2023-08-29 17:11:12,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:12,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:11:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595161898] [2023-08-29 17:11:12,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595161898] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:12,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:12,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 17:11:12,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684428228] [2023-08-29 17:11:12,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:12,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 17:11:12,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:12,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 17:11:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-29 17:11:13,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1052 out of 2516 [2023-08-29 17:11:13,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 153 transitions, 909 flow. Second operand has 5 states, 5 states have (on average 1061.0) internal successors, (5305), 5 states have internal predecessors, (5305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:13,157 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:13,157 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1052 of 2516 [2023-08-29 17:11:13,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:14,645 INFO L130 PetriNetUnfolder]: 5166/8895 cut-off events. [2023-08-29 17:11:14,645 INFO L131 PetriNetUnfolder]: For 18877/18914 co-relation queries the response was YES. [2023-08-29 17:11:14,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29902 conditions, 8895 events. 5166/8895 cut-off events. For 18877/18914 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 49185 event pairs, 4346 based on Foata normal form. 0/8786 useless extension candidates. Maximal degree in co-relation 29881. Up to 8386 conditions per place. [2023-08-29 17:11:14,690 INFO L137 encePairwiseOnDemand]: 2504/2516 looper letters, 115 selfloop transitions, 45 changer transitions 0/172 dead transitions. [2023-08-29 17:11:14,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 172 transitions, 1336 flow [2023-08-29 17:11:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 17:11:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 17:11:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4312 transitions. [2023-08-29 17:11:14,695 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42845786963434024 [2023-08-29 17:11:14,695 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 4312 transitions. [2023-08-29 17:11:14,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4312 transitions. [2023-08-29 17:11:14,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:14,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 4312 transitions. [2023-08-29 17:11:14,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 1078.0) internal successors, (4312), 4 states have internal predecessors, (4312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:14,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2516.0) internal successors, (12580), 5 states have internal predecessors, (12580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:14,706 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2516.0) internal successors, (12580), 5 states have internal predecessors, (12580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:14,707 INFO L175 Difference]: Start difference. First operand has 135 places, 153 transitions, 909 flow. Second operand 4 states and 4312 transitions. [2023-08-29 17:11:14,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 172 transitions, 1336 flow [2023-08-29 17:11:14,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 172 transitions, 1304 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 17:11:14,759 INFO L231 Difference]: Finished difference. Result has 133 places, 159 transitions, 1075 flow [2023-08-29 17:11:14,759 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1075, PETRI_PLACES=133, PETRI_TRANSITIONS=159} [2023-08-29 17:11:14,760 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -42 predicate places. [2023-08-29 17:11:14,760 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 159 transitions, 1075 flow [2023-08-29 17:11:14,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1061.0) internal successors, (5305), 5 states have internal predecessors, (5305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:14,761 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:14,761 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:11:14,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 17:11:14,762 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:11:14,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash 766371788, now seen corresponding path program 1 times [2023-08-29 17:11:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:14,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713327329] [2023-08-29 17:11:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:14,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:11:20,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:20,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713327329] [2023-08-29 17:11:20,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713327329] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:20,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:20,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:11:20,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212845842] [2023-08-29 17:11:20,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:20,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:11:20,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:20,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:11:20,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:11:21,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1039 out of 2516 [2023-08-29 17:11:21,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 159 transitions, 1075 flow. Second operand has 8 states, 8 states have (on average 1044.875) internal successors, (8359), 8 states have internal predecessors, (8359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:21,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:21,394 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1039 of 2516 [2023-08-29 17:11:21,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:22,703 INFO L130 PetriNetUnfolder]: 5061/8727 cut-off events. [2023-08-29 17:11:22,703 INFO L131 PetriNetUnfolder]: For 16728/16764 co-relation queries the response was YES. [2023-08-29 17:11:22,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29074 conditions, 8727 events. 5061/8727 cut-off events. For 16728/16764 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 48160 event pairs, 4278 based on Foata normal form. 0/8682 useless extension candidates. Maximal degree in co-relation 29052. Up to 7882 conditions per place. [2023-08-29 17:11:22,748 INFO L137 encePairwiseOnDemand]: 2506/2516 looper letters, 123 selfloop transitions, 43 changer transitions 1/179 dead transitions. [2023-08-29 17:11:22,748 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 179 transitions, 1521 flow [2023-08-29 17:11:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5299 transitions. [2023-08-29 17:11:22,758 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4212241653418124 [2023-08-29 17:11:22,758 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5299 transitions. [2023-08-29 17:11:22,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5299 transitions. [2023-08-29 17:11:22,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:22,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5299 transitions. [2023-08-29 17:11:22,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1059.8) internal successors, (5299), 5 states have internal predecessors, (5299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:22,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:22,771 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:22,772 INFO L175 Difference]: Start difference. First operand has 133 places, 159 transitions, 1075 flow. Second operand 5 states and 5299 transitions. [2023-08-29 17:11:22,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 179 transitions, 1521 flow [2023-08-29 17:11:22,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 179 transitions, 1469 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-08-29 17:11:22,842 INFO L231 Difference]: Finished difference. Result has 136 places, 161 transitions, 1175 flow [2023-08-29 17:11:22,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1175, PETRI_PLACES=136, PETRI_TRANSITIONS=161} [2023-08-29 17:11:22,842 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -39 predicate places. [2023-08-29 17:11:22,842 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 161 transitions, 1175 flow [2023-08-29 17:11:22,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1044.875) internal successors, (8359), 8 states have internal predecessors, (8359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:22,844 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:22,844 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:11:22,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 17:11:22,844 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:11:22,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:22,844 INFO L85 PathProgramCache]: Analyzing trace with hash -500171926, now seen corresponding path program 1 times [2023-08-29 17:11:22,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:22,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642324721] [2023-08-29 17:11:22,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:22,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:11:25,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:25,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642324721] [2023-08-29 17:11:25,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642324721] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:25,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:25,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:11:25,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501921044] [2023-08-29 17:11:25,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:25,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:11:25,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:25,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:11:25,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:11:26,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1090 out of 2516 [2023-08-29 17:11:26,817 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 161 transitions, 1175 flow. Second operand has 9 states, 9 states have (on average 1094.0) internal successors, (9846), 9 states have internal predecessors, (9846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:26,817 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:26,817 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1090 of 2516 [2023-08-29 17:11:26,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:28,885 INFO L130 PetriNetUnfolder]: 1417/3190 cut-off events. [2023-08-29 17:11:28,885 INFO L131 PetriNetUnfolder]: For 7071/7306 co-relation queries the response was YES. [2023-08-29 17:11:28,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10688 conditions, 3190 events. 1417/3190 cut-off events. For 7071/7306 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 19827 event pairs, 362 based on Foata normal form. 119/3258 useless extension candidates. Maximal degree in co-relation 10665. Up to 1017 conditions per place. [2023-08-29 17:11:28,900 INFO L137 encePairwiseOnDemand]: 2510/2516 looper letters, 200 selfloop transitions, 15 changer transitions 14/282 dead transitions. [2023-08-29 17:11:28,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 282 transitions, 2011 flow [2023-08-29 17:11:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 17:11:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 17:11:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7809 transitions. [2023-08-29 17:11:28,908 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4433908698614581 [2023-08-29 17:11:28,908 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 7809 transitions. [2023-08-29 17:11:28,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7809 transitions. [2023-08-29 17:11:28,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:28,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 7809 transitions. [2023-08-29 17:11:28,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 1115.5714285714287) internal successors, (7809), 7 states have internal predecessors, (7809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:28,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 2516.0) internal successors, (20128), 8 states have internal predecessors, (20128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:28,927 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 2516.0) internal successors, (20128), 8 states have internal predecessors, (20128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:28,927 INFO L175 Difference]: Start difference. First operand has 136 places, 161 transitions, 1175 flow. Second operand 7 states and 7809 transitions. [2023-08-29 17:11:28,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 282 transitions, 2011 flow [2023-08-29 17:11:28,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 282 transitions, 1940 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 17:11:28,957 INFO L231 Difference]: Finished difference. Result has 137 places, 158 transitions, 1126 flow [2023-08-29 17:11:28,957 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1126, PETRI_PLACES=137, PETRI_TRANSITIONS=158} [2023-08-29 17:11:28,958 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -38 predicate places. [2023-08-29 17:11:28,958 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 158 transitions, 1126 flow [2023-08-29 17:11:28,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1094.0) internal successors, (9846), 9 states have internal predecessors, (9846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:28,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:28,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:11:28,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 17:11:28,960 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:11:28,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1814841939, now seen corresponding path program 1 times [2023-08-29 17:11:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:28,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503189531] [2023-08-29 17:11:28,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:11:32,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:32,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503189531] [2023-08-29 17:11:32,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503189531] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:32,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:32,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:11:32,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278184977] [2023-08-29 17:11:32,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:32,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 17:11:32,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:32,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 17:11:32,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 17:11:33,259 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1040 out of 2516 [2023-08-29 17:11:33,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 158 transitions, 1126 flow. Second operand has 7 states, 7 states have (on average 1048.2857142857142) internal successors, (7338), 7 states have internal predecessors, (7338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:33,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:33,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1040 of 2516 [2023-08-29 17:11:33,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:34,996 INFO L130 PetriNetUnfolder]: 4966/8620 cut-off events. [2023-08-29 17:11:34,997 INFO L131 PetriNetUnfolder]: For 19870/19878 co-relation queries the response was YES. [2023-08-29 17:11:35,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29873 conditions, 8620 events. 4966/8620 cut-off events. For 19870/19878 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 47839 event pairs, 4294 based on Foata normal form. 0/8582 useless extension candidates. Maximal degree in co-relation 29851. Up to 8181 conditions per place. [2023-08-29 17:11:35,032 INFO L137 encePairwiseOnDemand]: 2502/2516 looper letters, 117 selfloop transitions, 42 changer transitions 1/171 dead transitions. [2023-08-29 17:11:35,032 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 171 transitions, 1504 flow [2023-08-29 17:11:35,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:35,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5304 transitions. [2023-08-29 17:11:35,036 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42162162162162165 [2023-08-29 17:11:35,036 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5304 transitions. [2023-08-29 17:11:35,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5304 transitions. [2023-08-29 17:11:35,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:35,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5304 transitions. [2023-08-29 17:11:35,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1060.8) internal successors, (5304), 5 states have internal predecessors, (5304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:35,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:35,050 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:35,050 INFO L175 Difference]: Start difference. First operand has 137 places, 158 transitions, 1126 flow. Second operand 5 states and 5304 transitions. [2023-08-29 17:11:35,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 171 transitions, 1504 flow [2023-08-29 17:11:35,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 171 transitions, 1469 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 17:11:35,096 INFO L231 Difference]: Finished difference. Result has 136 places, 158 transitions, 1216 flow [2023-08-29 17:11:35,096 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1216, PETRI_PLACES=136, PETRI_TRANSITIONS=158} [2023-08-29 17:11:35,096 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -39 predicate places. [2023-08-29 17:11:35,096 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 158 transitions, 1216 flow [2023-08-29 17:11:35,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1048.2857142857142) internal successors, (7338), 7 states have internal predecessors, (7338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:35,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:35,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:11:35,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 17:11:35,098 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:11:35,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:35,099 INFO L85 PathProgramCache]: Analyzing trace with hash 998195149, now seen corresponding path program 2 times [2023-08-29 17:11:35,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:35,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323001560] [2023-08-29 17:11:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:35,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:40,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:11:40,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:40,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323001560] [2023-08-29 17:11:40,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323001560] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:40,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:40,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:11:40,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913477471] [2023-08-29 17:11:40,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:40,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:11:40,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:40,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:11:40,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:11:41,062 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1039 out of 2516 [2023-08-29 17:11:41,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 158 transitions, 1216 flow. Second operand has 8 states, 8 states have (on average 1046.25) internal successors, (8370), 8 states have internal predecessors, (8370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:41,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:41,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1039 of 2516 [2023-08-29 17:11:41,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:42,389 INFO L130 PetriNetUnfolder]: 4950/8602 cut-off events. [2023-08-29 17:11:42,389 INFO L131 PetriNetUnfolder]: For 17015/17023 co-relation queries the response was YES. [2023-08-29 17:11:42,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29124 conditions, 8602 events. 4950/8602 cut-off events. For 17015/17023 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 47735 event pairs, 4276 based on Foata normal form. 8/8585 useless extension candidates. Maximal degree in co-relation 29102. Up to 8060 conditions per place. [2023-08-29 17:11:42,427 INFO L137 encePairwiseOnDemand]: 2506/2516 looper letters, 122 selfloop transitions, 39 changer transitions 4/176 dead transitions. [2023-08-29 17:11:42,427 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 176 transitions, 1632 flow [2023-08-29 17:11:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5299 transitions. [2023-08-29 17:11:42,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4212241653418124 [2023-08-29 17:11:42,431 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5299 transitions. [2023-08-29 17:11:42,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5299 transitions. [2023-08-29 17:11:42,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:42,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5299 transitions. [2023-08-29 17:11:42,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1059.8) internal successors, (5299), 5 states have internal predecessors, (5299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:42,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:42,444 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:42,444 INFO L175 Difference]: Start difference. First operand has 136 places, 158 transitions, 1216 flow. Second operand 5 states and 5299 transitions. [2023-08-29 17:11:42,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 176 transitions, 1632 flow [2023-08-29 17:11:42,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 176 transitions, 1587 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:11:42,500 INFO L231 Difference]: Finished difference. Result has 138 places, 154 transitions, 1217 flow [2023-08-29 17:11:42,501 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1217, PETRI_PLACES=138, PETRI_TRANSITIONS=154} [2023-08-29 17:11:42,501 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -37 predicate places. [2023-08-29 17:11:42,501 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 154 transitions, 1217 flow [2023-08-29 17:11:42,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1046.25) internal successors, (8370), 8 states have internal predecessors, (8370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:42,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:42,503 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:11:42,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 17:11:42,503 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:11:42,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:42,503 INFO L85 PathProgramCache]: Analyzing trace with hash -10526345, now seen corresponding path program 3 times [2023-08-29 17:11:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:42,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859271735] [2023-08-29 17:11:42,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:42,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:11:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:11:48,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:11:48,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859271735] [2023-08-29 17:11:48,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859271735] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:11:48,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:11:48,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:11:48,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325609625] [2023-08-29 17:11:49,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:11:49,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:11:49,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:11:49,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:11:49,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:11:49,656 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1038 out of 2516 [2023-08-29 17:11:49,660 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 154 transitions, 1217 flow. Second operand has 8 states, 8 states have (on average 1045.375) internal successors, (8363), 8 states have internal predecessors, (8363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:49,660 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:11:49,660 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1038 of 2516 [2023-08-29 17:11:49,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:11:51,018 INFO L130 PetriNetUnfolder]: 4936/8566 cut-off events. [2023-08-29 17:11:51,019 INFO L131 PetriNetUnfolder]: For 17865/17872 co-relation queries the response was YES. [2023-08-29 17:11:51,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29150 conditions, 8566 events. 4936/8566 cut-off events. For 17865/17872 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 47448 event pairs, 4272 based on Foata normal form. 8/8552 useless extension candidates. Maximal degree in co-relation 29127. Up to 7969 conditions per place. [2023-08-29 17:11:51,145 INFO L137 encePairwiseOnDemand]: 2506/2516 looper letters, 118 selfloop transitions, 36 changer transitions 6/171 dead transitions. [2023-08-29 17:11:51,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 171 transitions, 1620 flow [2023-08-29 17:11:51,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:11:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:11:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5294 transitions. [2023-08-29 17:11:51,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4208267090620032 [2023-08-29 17:11:51,149 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5294 transitions. [2023-08-29 17:11:51,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5294 transitions. [2023-08-29 17:11:51,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:11:51,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5294 transitions. [2023-08-29 17:11:51,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1058.8) internal successors, (5294), 5 states have internal predecessors, (5294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:51,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:51,176 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2516.0) internal successors, (15096), 6 states have internal predecessors, (15096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:51,176 INFO L175 Difference]: Start difference. First operand has 138 places, 154 transitions, 1217 flow. Second operand 5 states and 5294 transitions. [2023-08-29 17:11:51,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 171 transitions, 1620 flow [2023-08-29 17:11:51,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 171 transitions, 1504 flow, removed 1 selfloop flow, removed 5 redundant places. [2023-08-29 17:11:51,222 INFO L231 Difference]: Finished difference. Result has 138 places, 149 transitions, 1122 flow [2023-08-29 17:11:51,223 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=1101, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1122, PETRI_PLACES=138, PETRI_TRANSITIONS=149} [2023-08-29 17:11:51,223 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -37 predicate places. [2023-08-29 17:11:51,223 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 149 transitions, 1122 flow [2023-08-29 17:11:51,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1045.375) internal successors, (8363), 8 states have internal predecessors, (8363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:11:51,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:11:51,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:11:51,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 17:11:51,225 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:11:51,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:11:51,225 INFO L85 PathProgramCache]: Analyzing trace with hash 860423373, now seen corresponding path program 4 times [2023-08-29 17:11:51,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:11:51,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856452190] [2023-08-29 17:11:51,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:11:51,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:11:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:03,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:03,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856452190] [2023-08-29 17:12:03,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856452190] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:03,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:03,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:12:03,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406402824] [2023-08-29 17:12:03,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:03,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:12:03,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:03,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:12:03,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:12:03,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1037 out of 2516 [2023-08-29 17:12:03,939 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 149 transitions, 1122 flow. Second operand has 9 states, 9 states have (on average 1043.5555555555557) internal successors, (9392), 9 states have internal predecessors, (9392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:03,939 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:03,939 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1037 of 2516 [2023-08-29 17:12:03,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:05,115 INFO L130 PetriNetUnfolder]: 4762/8251 cut-off events. [2023-08-29 17:12:05,116 INFO L131 PetriNetUnfolder]: For 16196/16203 co-relation queries the response was YES. [2023-08-29 17:12:05,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27775 conditions, 8251 events. 4762/8251 cut-off events. For 16196/16203 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 45245 event pairs, 4231 based on Foata normal form. 4/8233 useless extension candidates. Maximal degree in co-relation 27752. Up to 7527 conditions per place. [2023-08-29 17:12:05,155 INFO L137 encePairwiseOnDemand]: 2509/2516 looper letters, 108 selfloop transitions, 18 changer transitions 36/173 dead transitions. [2023-08-29 17:12:05,155 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 173 transitions, 1559 flow [2023-08-29 17:12:05,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:12:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:12:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6326 transitions. [2023-08-29 17:12:05,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.419051404345522 [2023-08-29 17:12:05,162 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6326 transitions. [2023-08-29 17:12:05,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6326 transitions. [2023-08-29 17:12:05,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:05,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6326 transitions. [2023-08-29 17:12:05,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1054.3333333333333) internal successors, (6326), 6 states have internal predecessors, (6326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:05,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:05,177 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2516.0) internal successors, (17612), 7 states have internal predecessors, (17612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:05,177 INFO L175 Difference]: Start difference. First operand has 138 places, 149 transitions, 1122 flow. Second operand 6 states and 6326 transitions. [2023-08-29 17:12:05,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 173 transitions, 1559 flow [2023-08-29 17:12:05,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 173 transitions, 1394 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 17:12:05,223 INFO L231 Difference]: Finished difference. Result has 135 places, 120 transitions, 643 flow [2023-08-29 17:12:05,223 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=643, PETRI_PLACES=135, PETRI_TRANSITIONS=120} [2023-08-29 17:12:05,224 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -40 predicate places. [2023-08-29 17:12:05,224 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 120 transitions, 643 flow [2023-08-29 17:12:05,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1043.5555555555557) internal successors, (9392), 9 states have internal predecessors, (9392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:05,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:05,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:05,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 17:12:05,225 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:12:05,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:05,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1813268314, now seen corresponding path program 1 times [2023-08-29 17:12:05,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:05,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293897069] [2023-08-29 17:12:05,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:05,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:13,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293897069] [2023-08-29 17:12:13,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293897069] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:13,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:13,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:12:13,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970083417] [2023-08-29 17:12:13,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:13,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:12:13,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:13,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:12:13,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:12:16,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 2516 [2023-08-29 17:12:16,185 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 120 transitions, 643 flow. Second operand has 11 states, 11 states have (on average 1087.5454545454545) internal successors, (11963), 11 states have internal predecessors, (11963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:16,185 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:16,185 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 2516 [2023-08-29 17:12:16,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:17,614 INFO L130 PetriNetUnfolder]: 843/2130 cut-off events. [2023-08-29 17:12:17,614 INFO L131 PetriNetUnfolder]: For 3201/3380 co-relation queries the response was YES. [2023-08-29 17:12:17,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5923 conditions, 2130 events. 843/2130 cut-off events. For 3201/3380 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 12586 event pairs, 522 based on Foata normal form. 7/2086 useless extension candidates. Maximal degree in co-relation 5902. Up to 1232 conditions per place. [2023-08-29 17:12:17,623 INFO L137 encePairwiseOnDemand]: 2502/2516 looper letters, 158 selfloop transitions, 18 changer transitions 46/259 dead transitions. [2023-08-29 17:12:17,623 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 259 transitions, 1642 flow [2023-08-29 17:12:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:12:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:12:17,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9945 transitions. [2023-08-29 17:12:17,631 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4391891891891892 [2023-08-29 17:12:17,631 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 9945 transitions. [2023-08-29 17:12:17,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 9945 transitions. [2023-08-29 17:12:17,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:17,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 9945 transitions. [2023-08-29 17:12:17,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1105.0) internal successors, (9945), 9 states have internal predecessors, (9945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:17,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2516.0) internal successors, (25160), 10 states have internal predecessors, (25160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:17,654 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2516.0) internal successors, (25160), 10 states have internal predecessors, (25160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:17,654 INFO L175 Difference]: Start difference. First operand has 135 places, 120 transitions, 643 flow. Second operand 9 states and 9945 transitions. [2023-08-29 17:12:17,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 259 transitions, 1642 flow [2023-08-29 17:12:17,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 259 transitions, 1414 flow, removed 18 selfloop flow, removed 12 redundant places. [2023-08-29 17:12:17,667 INFO L231 Difference]: Finished difference. Result has 136 places, 129 transitions, 642 flow [2023-08-29 17:12:17,667 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=642, PETRI_PLACES=136, PETRI_TRANSITIONS=129} [2023-08-29 17:12:17,668 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -39 predicate places. [2023-08-29 17:12:17,668 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 129 transitions, 642 flow [2023-08-29 17:12:17,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1087.5454545454545) internal successors, (11963), 11 states have internal predecessors, (11963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:17,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:17,669 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:17,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 17:12:17,670 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2023-08-29 17:12:17,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:17,670 INFO L85 PathProgramCache]: Analyzing trace with hash -718444678, now seen corresponding path program 2 times [2023-08-29 17:12:17,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:17,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850950972] [2023-08-29 17:12:17,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:17,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:21,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:21,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850950972] [2023-08-29 17:12:21,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850950972] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:21,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:21,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:12:21,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584146756] [2023-08-29 17:12:21,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:21,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:12:21,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:21,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:12:21,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:12:23,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1092 out of 2516 [2023-08-29 17:12:23,011 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 129 transitions, 642 flow. Second operand has 10 states, 10 states have (on average 1095.9) internal successors, (10959), 10 states have internal predecessors, (10959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:23,011 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:23,011 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1092 of 2516 [2023-08-29 17:12:23,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:23,930 INFO L130 PetriNetUnfolder]: 716/1850 cut-off events. [2023-08-29 17:12:23,931 INFO L131 PetriNetUnfolder]: For 1766/1890 co-relation queries the response was YES. [2023-08-29 17:12:23,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4879 conditions, 1850 events. 716/1850 cut-off events. For 1766/1890 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 10662 event pairs, 494 based on Foata normal form. 14/1817 useless extension candidates. Maximal degree in co-relation 4857. Up to 1030 conditions per place. [2023-08-29 17:12:23,937 INFO L137 encePairwiseOnDemand]: 2508/2516 looper letters, 0 selfloop transitions, 0 changer transitions 218/218 dead transitions. [2023-08-29 17:12:23,937 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 218 transitions, 1238 flow [2023-08-29 17:12:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:12:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:12:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8893 transitions. [2023-08-29 17:12:23,943 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4418223370429253 [2023-08-29 17:12:23,943 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 8893 transitions. [2023-08-29 17:12:23,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 8893 transitions. [2023-08-29 17:12:23,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:23,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 8893 transitions. [2023-08-29 17:12:23,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1111.625) internal successors, (8893), 8 states have internal predecessors, (8893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:23,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:23,962 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2516.0) internal successors, (22644), 9 states have internal predecessors, (22644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:23,962 INFO L175 Difference]: Start difference. First operand has 136 places, 129 transitions, 642 flow. Second operand 8 states and 8893 transitions. [2023-08-29 17:12:23,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 218 transitions, 1238 flow [2023-08-29 17:12:23,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 218 transitions, 1196 flow, removed 7 selfloop flow, removed 7 redundant places. [2023-08-29 17:12:23,973 INFO L231 Difference]: Finished difference. Result has 133 places, 0 transitions, 0 flow [2023-08-29 17:12:23,973 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2516, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=133, PETRI_TRANSITIONS=0} [2023-08-29 17:12:23,974 INFO L281 CegarLoopForPetriNet]: 175 programPoint places, -42 predicate places. [2023-08-29 17:12:23,974 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 0 transitions, 0 flow [2023-08-29 17:12:23,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1095.9) internal successors, (10959), 10 states have internal predecessors, (10959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:12:23,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (104 of 105 remaining) [2023-08-29 17:12:23,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (103 of 105 remaining) [2023-08-29 17:12:23,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (102 of 105 remaining) [2023-08-29 17:12:23,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (101 of 105 remaining) [2023-08-29 17:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (100 of 105 remaining) [2023-08-29 17:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (99 of 105 remaining) [2023-08-29 17:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (98 of 105 remaining) [2023-08-29 17:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (97 of 105 remaining) [2023-08-29 17:12:23,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (96 of 105 remaining) [2023-08-29 17:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (95 of 105 remaining) [2023-08-29 17:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (94 of 105 remaining) [2023-08-29 17:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (93 of 105 remaining) [2023-08-29 17:12:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (92 of 105 remaining) [2023-08-29 17:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (91 of 105 remaining) [2023-08-29 17:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (90 of 105 remaining) [2023-08-29 17:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (89 of 105 remaining) [2023-08-29 17:12:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (88 of 105 remaining) [2023-08-29 17:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (87 of 105 remaining) [2023-08-29 17:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (86 of 105 remaining) [2023-08-29 17:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (85 of 105 remaining) [2023-08-29 17:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (84 of 105 remaining) [2023-08-29 17:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (83 of 105 remaining) [2023-08-29 17:12:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (82 of 105 remaining) [2023-08-29 17:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (81 of 105 remaining) [2023-08-29 17:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (80 of 105 remaining) [2023-08-29 17:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (79 of 105 remaining) [2023-08-29 17:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (78 of 105 remaining) [2023-08-29 17:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (77 of 105 remaining) [2023-08-29 17:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (76 of 105 remaining) [2023-08-29 17:12:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (75 of 105 remaining) [2023-08-29 17:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (74 of 105 remaining) [2023-08-29 17:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (73 of 105 remaining) [2023-08-29 17:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (72 of 105 remaining) [2023-08-29 17:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (71 of 105 remaining) [2023-08-29 17:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (70 of 105 remaining) [2023-08-29 17:12:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (69 of 105 remaining) [2023-08-29 17:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (68 of 105 remaining) [2023-08-29 17:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (67 of 105 remaining) [2023-08-29 17:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (66 of 105 remaining) [2023-08-29 17:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (65 of 105 remaining) [2023-08-29 17:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (64 of 105 remaining) [2023-08-29 17:12:23,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (63 of 105 remaining) [2023-08-29 17:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (62 of 105 remaining) [2023-08-29 17:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (61 of 105 remaining) [2023-08-29 17:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (60 of 105 remaining) [2023-08-29 17:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (59 of 105 remaining) [2023-08-29 17:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (58 of 105 remaining) [2023-08-29 17:12:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (57 of 105 remaining) [2023-08-29 17:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (56 of 105 remaining) [2023-08-29 17:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (55 of 105 remaining) [2023-08-29 17:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (54 of 105 remaining) [2023-08-29 17:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (53 of 105 remaining) [2023-08-29 17:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (52 of 105 remaining) [2023-08-29 17:12:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (51 of 105 remaining) [2023-08-29 17:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (50 of 105 remaining) [2023-08-29 17:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (49 of 105 remaining) [2023-08-29 17:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (48 of 105 remaining) [2023-08-29 17:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (47 of 105 remaining) [2023-08-29 17:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (46 of 105 remaining) [2023-08-29 17:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (45 of 105 remaining) [2023-08-29 17:12:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (44 of 105 remaining) [2023-08-29 17:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (43 of 105 remaining) [2023-08-29 17:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (42 of 105 remaining) [2023-08-29 17:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (41 of 105 remaining) [2023-08-29 17:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (40 of 105 remaining) [2023-08-29 17:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (39 of 105 remaining) [2023-08-29 17:12:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (38 of 105 remaining) [2023-08-29 17:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (37 of 105 remaining) [2023-08-29 17:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (36 of 105 remaining) [2023-08-29 17:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (35 of 105 remaining) [2023-08-29 17:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (34 of 105 remaining) [2023-08-29 17:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 105 remaining) [2023-08-29 17:12:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 105 remaining) [2023-08-29 17:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONDATA_RACE (31 of 105 remaining) [2023-08-29 17:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE (30 of 105 remaining) [2023-08-29 17:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr2ASSERT_VIOLATIONDATA_RACE (29 of 105 remaining) [2023-08-29 17:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr3ASSERT_VIOLATIONDATA_RACE (28 of 105 remaining) [2023-08-29 17:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE (27 of 105 remaining) [2023-08-29 17:12:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONDATA_RACE (26 of 105 remaining) [2023-08-29 17:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr6ASSERT_VIOLATIONDATA_RACE (25 of 105 remaining) [2023-08-29 17:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr7ASSERT_VIOLATIONDATA_RACE (24 of 105 remaining) [2023-08-29 17:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr8ASSERT_VIOLATIONDATA_RACE (23 of 105 remaining) [2023-08-29 17:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr9ASSERT_VIOLATIONDATA_RACE (22 of 105 remaining) [2023-08-29 17:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr10ASSERT_VIOLATIONDATA_RACE (21 of 105 remaining) [2023-08-29 17:12:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE (20 of 105 remaining) [2023-08-29 17:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE (19 of 105 remaining) [2023-08-29 17:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (18 of 105 remaining) [2023-08-29 17:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (17 of 105 remaining) [2023-08-29 17:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (16 of 105 remaining) [2023-08-29 17:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONDATA_RACE (15 of 105 remaining) [2023-08-29 17:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE (14 of 105 remaining) [2023-08-29 17:12:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr2ASSERT_VIOLATIONDATA_RACE (13 of 105 remaining) [2023-08-29 17:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr3ASSERT_VIOLATIONDATA_RACE (12 of 105 remaining) [2023-08-29 17:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE (11 of 105 remaining) [2023-08-29 17:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONDATA_RACE (10 of 105 remaining) [2023-08-29 17:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr6ASSERT_VIOLATIONDATA_RACE (9 of 105 remaining) [2023-08-29 17:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr7ASSERT_VIOLATIONDATA_RACE (8 of 105 remaining) [2023-08-29 17:12:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr8ASSERT_VIOLATIONDATA_RACE (7 of 105 remaining) [2023-08-29 17:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr9ASSERT_VIOLATIONDATA_RACE (6 of 105 remaining) [2023-08-29 17:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr10ASSERT_VIOLATIONDATA_RACE (5 of 105 remaining) [2023-08-29 17:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr11ASSERT_VIOLATIONDATA_RACE (4 of 105 remaining) [2023-08-29 17:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr12ASSERT_VIOLATIONDATA_RACE (3 of 105 remaining) [2023-08-29 17:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr0ASSERT_VIOLATIONDATA_RACE (2 of 105 remaining) [2023-08-29 17:12:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr1ASSERT_VIOLATIONDATA_RACE (1 of 105 remaining) [2023-08-29 17:12:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE (0 of 105 remaining) [2023-08-29 17:12:23,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 17:12:23,996 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:24,001 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:12:24,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:12:24,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:12:24 BasicIcfg [2023-08-29 17:12:24,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:12:24,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:12:24,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:12:24,005 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:12:24,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:01:52" (3/4) ... [2023-08-29 17:12:24,007 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:12:24,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 17:12:24,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:12:24,025 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 17:12:24,026 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 17:12:24,028 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 17:12:24,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 17:12:24,105 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:12:24,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:12:24,106 INFO L158 Benchmark]: Toolchain (without parser) took 638331.05ms. Allocated memory was 62.9MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 29.0MB in the beginning and 725.2MB in the end (delta: -696.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-08-29 17:12:24,106 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:12:24,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5252.77ms. Allocated memory was 62.9MB in the beginning and 144.7MB in the end (delta: 81.8MB). Free memory was 28.7MB in the beginning and 28.5MB in the end (delta: 172.0kB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.96ms. Allocated memory is still 144.7MB. Free memory was 28.5MB in the beginning and 57.7MB in the end (delta: -29.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,107 INFO L158 Benchmark]: Boogie Preprocessor took 100.65ms. Allocated memory is still 144.7MB. Free memory was 57.7MB in the beginning and 50.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,107 INFO L158 Benchmark]: RCFGBuilder took 1579.77ms. Allocated memory was 144.7MB in the beginning and 281.0MB in the end (delta: 136.3MB). Free memory was 50.3MB in the beginning and 212.4MB in the end (delta: -162.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,108 INFO L158 Benchmark]: TraceAbstraction took 631111.32ms. Allocated memory was 281.0MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 211.4MB in the beginning and 738.8MB in the end (delta: -527.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-08-29 17:12:24,108 INFO L158 Benchmark]: Witness Printer took 100.51ms. Allocated memory is still 1.9GB. Free memory was 738.8MB in the beginning and 725.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 17:12:24,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5252.77ms. Allocated memory was 62.9MB in the beginning and 144.7MB in the end (delta: 81.8MB). Free memory was 28.7MB in the beginning and 28.5MB in the end (delta: 172.0kB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.96ms. Allocated memory is still 144.7MB. Free memory was 28.5MB in the beginning and 57.7MB in the end (delta: -29.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.65ms. Allocated memory is still 144.7MB. Free memory was 57.7MB in the beginning and 50.3MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1579.77ms. Allocated memory was 144.7MB in the beginning and 281.0MB in the end (delta: 136.3MB). Free memory was 50.3MB in the beginning and 212.4MB in the end (delta: -162.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * TraceAbstraction took 631111.32ms. Allocated memory was 281.0MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 211.4MB in the beginning and 738.8MB in the end (delta: -527.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 100.51ms. Allocated memory is still 1.9GB. Free memory was 738.8MB in the beginning and 725.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 514.9s, 1104 PlacesBefore, 175 PlacesAfterwards, 1152 TransitionsBefore, 192 TransitionsAfterwards, 28020 CoEnabledTransitionPairs, 12 FixpointIterations, 1080 TrivialSequentialCompositions, 166 ConcurrentSequentialCompositions, 52 TrivialYvCompositions, 25 ConcurrentYvCompositions, 31 ChoiceCompositions, 1354 TotalNumberOfCompositions, 114829 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34802, independent: 32921, independent conditional: 0, independent unconditional: 32921, dependent: 1881, dependent conditional: 0, dependent unconditional: 1881, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13871, independent: 13715, independent conditional: 0, independent unconditional: 13715, dependent: 156, dependent conditional: 0, dependent unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34802, independent: 19206, independent conditional: 0, independent unconditional: 19206, dependent: 1725, dependent conditional: 0, dependent unconditional: 1725, unknown: 13871, unknown conditional: 0, unknown unconditional: 13871] , Statistics on independence cache: Total cache size (in pairs): 843, Positive cache size: 766, Positive conditional cache size: 0, Positive unconditional cache size: 766, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7042]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7043]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7044]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7045]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7046]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7047]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7048]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7049]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7050]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7051]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7052]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7053]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7054]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7055]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7056]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7057]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7058]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7059]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7060]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7061]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7062]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7063]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7064]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7065]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7070]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7071]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6901]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7037]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6864]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6854]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6855]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7017]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6834]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1339 locations, 105 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 630.9s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 44.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 515.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14520 SdHoareTripleChecker+Valid, 33.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10260 mSDsluCounter, 6912 SdHoareTripleChecker+Invalid, 29.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6018 mSDsCounter, 3009 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32262 IncrementalHoareTripleChecker+Invalid, 35271 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3009 mSolverCounterUnsat, 894 mSDtfsCounter, 32262 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1217occurred in iteration=19, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 66.9s InterpolantComputationTime, 838 NumberOfCodeBlocks, 838 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 815 ConstructedInterpolants, 0 QuantifiedInterpolants, 17409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 87 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:12:24,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE