./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 851106f2567c562a13ee43b8e8fe7cdbbfa2cb6fa414a1f64a1bc4b82171765c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:49:14,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:49:14,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:49:14,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:49:14,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:49:14,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:49:14,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:49:14,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:49:14,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:49:14,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:49:14,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:49:14,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:49:14,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:49:14,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:49:14,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:49:14,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:49:14,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:49:14,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:49:14,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:49:14,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:49:14,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:49:14,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:49:14,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:49:14,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:49:14,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:49:14,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:49:14,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:49:14,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:49:14,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:49:14,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:49:14,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:49:14,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:49:14,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:49:14,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:49:14,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:49:14,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:49:14,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:49:14,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:49:14,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:49:14,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:49:14,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:49:14,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:49:14,224 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:49:14,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:49:14,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:49:14,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:49:14,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:49:14,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:49:14,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:49:14,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:49:14,227 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:49:14,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:49:14,228 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:49:14,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:49:14,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:49:14,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:49:14,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:49:14,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:49:14,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:49:14,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:49:14,230 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:49:14,231 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:49:14,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:49:14,231 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:49:14,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:49:14,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:49:14,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:49:14,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:49:14,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:49:14,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:49:14,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:49:14,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:49:14,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:49:14,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:49:14,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:49:14,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:49:14,234 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:49:14,234 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:49:14,235 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:49:14,235 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 851106f2567c562a13ee43b8e8fe7cdbbfa2cb6fa414a1f64a1bc4b82171765c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:49:14,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:49:14,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:49:14,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:49:14,579 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:49:14,579 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:49:14,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-08-29 01:49:15,827 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:49:16,334 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:49:16,335 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-08-29 01:49:16,370 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d4f791e/1f999fa2eba04d9bb4440c6fddb9d220/FLAGa3dddec12 [2023-08-29 01:49:16,390 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d4f791e/1f999fa2eba04d9bb4440c6fddb9d220 [2023-08-29 01:49:16,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:49:16,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:49:16,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:49:16,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:49:16,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:49:16,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:49:16" (1/1) ... [2023-08-29 01:49:16,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572165db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:16, skipping insertion in model container [2023-08-29 01:49:16,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:49:16" (1/1) ... [2023-08-29 01:49:16,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:49:16,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:49:16,828 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i[5469,5482] [2023-08-29 01:49:19,351 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:49:19,873 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:19,873 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:19,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:49:19,939 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:49:19,951 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i[5469,5482] [2023-08-29 01:49:20,310 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:49:20,427 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:20,427 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:49:20,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:49:21,025 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:21,025 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:21,025 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:21,025 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:21,025 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:21,026 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:21,026 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:49:21,032 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:49:21,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21 WrapperNode [2023-08-29 01:49:21,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:49:21,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:49:21,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:49:21,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:49:21,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,246 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 903 [2023-08-29 01:49:21,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:49:21,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:49:21,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:49:21,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:49:21,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,340 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:49:21,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:49:21,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:49:21,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:49:21,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (1/1) ... [2023-08-29 01:49:21,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:49:21,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:49:21,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:49:21,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:49:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:49:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:49:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:49:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:49:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 01:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 01:49:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:49:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 01:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 01:49:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:49:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:49:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:49:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:49:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:49:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:49:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:49:21,440 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:49:21,985 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:49:21,991 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:49:22,828 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:49:22,839 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:49:22,839 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-29 01:49:22,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:49:22 BoogieIcfgContainer [2023-08-29 01:49:22,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:49:22,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:49:22,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:49:22,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:49:22,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:49:16" (1/3) ... [2023-08-29 01:49:22,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58006725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:49:22, skipping insertion in model container [2023-08-29 01:49:22,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:49:21" (2/3) ... [2023-08-29 01:49:22,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58006725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:49:22, skipping insertion in model container [2023-08-29 01:49:22,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:49:22" (3/3) ... [2023-08-29 01:49:22,848 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-08-29 01:49:22,855 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:49:22,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:49:22,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 79 error locations. [2023-08-29 01:49:22,863 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:49:22,970 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:49:23,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 999 places, 1035 transitions, 2086 flow [2023-08-29 01:49:23,330 INFO L130 PetriNetUnfolder]: 43/1033 cut-off events. [2023-08-29 01:49:23,331 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:49:23,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 1033 events. 43/1033 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1331 event pairs, 0 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 01:49:23,339 INFO L82 GeneralOperation]: Start removeDead. Operand has 999 places, 1035 transitions, 2086 flow [2023-08-29 01:49:23,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 989 places, 1025 transitions, 2059 flow [2023-08-29 01:49:23,352 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:49:23,359 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 989 places, 1025 transitions, 2059 flow [2023-08-29 01:49:23,362 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 989 places, 1025 transitions, 2059 flow [2023-08-29 01:49:23,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 989 places, 1025 transitions, 2059 flow [2023-08-29 01:49:23,577 INFO L130 PetriNetUnfolder]: 43/1025 cut-off events. [2023-08-29 01:49:23,577 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:49:23,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 1025 events. 43/1025 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1276 event pairs, 0 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 01:49:23,585 INFO L119 LiptonReduction]: Number of co-enabled transitions 10176 [2023-08-29 01:54:00,529 WARN L222 SmtUtils]: Spent 2.88m on a formula simplification. DAG size of input: 664 DAG size of output: 662 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:55:11,074 WARN L222 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:57:24,342 WARN L222 SmtUtils]: Spent 2.22m on a formula simplification. DAG size of input: 667 DAG size of output: 665 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:58:12,116 WARN L222 SmtUtils]: Spent 47.75s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:58:44,621 WARN L222 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 237 DAG size of output: 230 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:59:07,568 WARN L222 SmtUtils]: Spent 10.91s on a formula simplification that was a NOOP. DAG size: 449 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:59:18,145 WARN L222 SmtUtils]: Spent 10.57s on a formula simplification that was a NOOP. DAG size: 449 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:59:32,068 WARN L222 SmtUtils]: Spent 13.92s on a formula simplification that was a NOOP. DAG size: 472 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:59:46,339 WARN L222 SmtUtils]: Spent 14.27s on a formula simplification that was a NOOP. DAG size: 472 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:59:46,345 INFO L134 LiptonReduction]: Checked pairs total: 41888 [2023-08-29 01:59:46,345 INFO L136 LiptonReduction]: Total number of compositions: 1289 [2023-08-29 01:59:46,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:59:46,363 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;@51177c3d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:59:46,363 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2023-08-29 01:59:46,364 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:59:46,365 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:46,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:46,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:59:46,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:46,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:46,370 INFO L85 PathProgramCache]: Analyzing trace with hash 3614, now seen corresponding path program 1 times [2023-08-29 01:59:46,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:46,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910185819] [2023-08-29 01:59:46,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:46,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:46,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:46,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910185819] [2023-08-29 01:59:46,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910185819] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:46,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:46,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:59:46,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397189207] [2023-08-29 01:59:46,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:46,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:59:46,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:46,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:59:46,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:59:46,638 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 2324 [2023-08-29 01:59:46,644 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 154 transitions, 317 flow. Second operand has 2 states, 2 states have (on average 1003.5) internal successors, (2007), 2 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:46,645 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:46,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 2324 [2023-08-29 01:59:46,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:47,059 INFO L130 PetriNetUnfolder]: 128/442 cut-off events. [2023-08-29 01:59:47,060 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-29 01:59:47,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 442 events. 128/442 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2128 event pairs, 117 based on Foata normal form. 18/422 useless extension candidates. Maximal degree in co-relation 591. Up to 249 conditions per place. [2023-08-29 01:59:47,067 INFO L137 encePairwiseOnDemand]: 2244/2324 looper letters, 42 selfloop transitions, 0 changer transitions 0/74 dead transitions. [2023-08-29 01:59:47,068 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 241 flow [2023-08-29 01:59:47,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:59:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:59:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2128 transitions. [2023-08-29 01:59:47,092 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4578313253012048 [2023-08-29 01:59:47,094 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2128 transitions. [2023-08-29 01:59:47,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2128 transitions. [2023-08-29 01:59:47,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:47,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2128 transitions. [2023-08-29 01:59:47,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1064.0) internal successors, (2128), 2 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:47,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2324.0) internal successors, (6972), 3 states have internal predecessors, (6972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:47,131 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2324.0) internal successors, (6972), 3 states have internal predecessors, (6972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:47,133 INFO L175 Difference]: Start difference. First operand has 140 places, 154 transitions, 317 flow. Second operand 2 states and 2128 transitions. [2023-08-29 01:59:47,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 241 flow [2023-08-29 01:59:47,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 236 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:59:47,140 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 152 flow [2023-08-29 01:59:47,142 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=152, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2023-08-29 01:59:47,145 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -72 predicate places. [2023-08-29 01:59:47,146 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 152 flow [2023-08-29 01:59:47,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1003.5) internal successors, (2007), 2 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:47,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:47,147 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:59:47,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:59:47,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:47,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:47,156 INFO L85 PathProgramCache]: Analyzing trace with hash 3667855, now seen corresponding path program 1 times [2023-08-29 01:59:47,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:47,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118534550] [2023-08-29 01:59:47,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:47,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:47,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118534550] [2023-08-29 01:59:47,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118534550] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:47,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:47,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:47,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823782935] [2023-08-29 01:59:47,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:47,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:47,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:47,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:47,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:47,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 984 out of 2324 [2023-08-29 01:59:47,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 985.0) internal successors, (2955), 3 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:47,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:47,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 984 of 2324 [2023-08-29 01:59:47,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:48,352 INFO L130 PetriNetUnfolder]: 128/440 cut-off events. [2023-08-29 01:59:48,352 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:48,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 440 events. 128/440 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2113 event pairs, 117 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 705. Up to 246 conditions per place. [2023-08-29 01:59:48,357 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 39 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2023-08-29 01:59:48,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 72 transitions, 232 flow [2023-08-29 01:59:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2996 transitions. [2023-08-29 01:59:48,364 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42971887550200805 [2023-08-29 01:59:48,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2996 transitions. [2023-08-29 01:59:48,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2996 transitions. [2023-08-29 01:59:48,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:48,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2996 transitions. [2023-08-29 01:59:48,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 998.6666666666666) internal successors, (2996), 3 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:48,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:48,388 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:48,389 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 152 flow. Second operand 3 states and 2996 transitions. [2023-08-29 01:59:48,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 72 transitions, 232 flow [2023-08-29 01:59:48,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 72 transitions, 232 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:48,419 INFO L231 Difference]: Finished difference. Result has 68 places, 72 transitions, 154 flow [2023-08-29 01:59:48,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=68, PETRI_TRANSITIONS=72} [2023-08-29 01:59:48,421 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -72 predicate places. [2023-08-29 01:59:48,422 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 72 transitions, 154 flow [2023-08-29 01:59:48,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 985.0) internal successors, (2955), 3 states have internal predecessors, (2955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:48,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:48,423 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:48,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:59:48,424 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:48,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:48,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2037631786, now seen corresponding path program 1 times [2023-08-29 01:59:48,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:48,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400426857] [2023-08-29 01:59:48,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:48,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:48,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:48,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400426857] [2023-08-29 01:59:48,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400426857] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:48,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:48,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:48,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063933583] [2023-08-29 01:59:48,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:48,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:48,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:48,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:48,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:48,765 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 999 out of 2324 [2023-08-29 01:59:48,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 72 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 1001.0) internal successors, (3003), 3 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:48,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:48,768 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 999 of 2324 [2023-08-29 01:59:48,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:49,371 INFO L130 PetriNetUnfolder]: 126/437 cut-off events. [2023-08-29 01:59:49,371 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:59:49,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 437 events. 126/437 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2088 event pairs, 117 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 701. Up to 245 conditions per place. [2023-08-29 01:59:49,374 INFO L137 encePairwiseOnDemand]: 2321/2324 looper letters, 38 selfloop transitions, 1 changer transitions 0/69 dead transitions. [2023-08-29 01:59:49,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 224 flow [2023-08-29 01:59:49,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3038 transitions. [2023-08-29 01:59:49,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4357429718875502 [2023-08-29 01:59:49,381 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3038 transitions. [2023-08-29 01:59:49,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3038 transitions. [2023-08-29 01:59:49,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:49,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3038 transitions. [2023-08-29 01:59:49,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1012.6666666666666) internal successors, (3038), 3 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:49,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:49,407 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:49,407 INFO L175 Difference]: Start difference. First operand has 68 places, 72 transitions, 154 flow. Second operand 3 states and 3038 transitions. [2023-08-29 01:59:49,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 224 flow [2023-08-29 01:59:49,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 69 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:49,409 INFO L231 Difference]: Finished difference. Result has 68 places, 69 transitions, 146 flow [2023-08-29 01:59:49,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=68, PETRI_TRANSITIONS=69} [2023-08-29 01:59:49,411 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -72 predicate places. [2023-08-29 01:59:49,411 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 69 transitions, 146 flow [2023-08-29 01:59:49,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1001.0) internal successors, (3003), 3 states have internal predecessors, (3003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:49,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:49,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:49,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:59:49,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:49,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:49,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1266019525, now seen corresponding path program 1 times [2023-08-29 01:59:49,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:49,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973717543] [2023-08-29 01:59:49,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:49,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:49,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:49,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973717543] [2023-08-29 01:59:49,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973717543] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:49,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:49,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:59:49,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215924448] [2023-08-29 01:59:49,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:49,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:59:49,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:49,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:59:49,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:59:50,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 978 out of 2324 [2023-08-29 01:59:50,005 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 981.0) internal successors, (2943), 3 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:50,005 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:50,005 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 978 of 2324 [2023-08-29 01:59:50,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:50,610 INFO L130 PetriNetUnfolder]: 368/863 cut-off events. [2023-08-29 01:59:50,610 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-29 01:59:50,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1576 conditions, 863 events. 368/863 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4273 event pairs, 156 based on Foata normal form. 0/781 useless extension candidates. Maximal degree in co-relation 1572. Up to 391 conditions per place. [2023-08-29 01:59:50,615 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 55 selfloop transitions, 8 changer transitions 0/86 dead transitions. [2023-08-29 01:59:50,615 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 86 transitions, 307 flow [2023-08-29 01:59:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:59:50,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:59:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2999 transitions. [2023-08-29 01:59:50,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4301491681009753 [2023-08-29 01:59:50,623 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2999 transitions. [2023-08-29 01:59:50,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2999 transitions. [2023-08-29 01:59:50,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:50,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2999 transitions. [2023-08-29 01:59:50,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 999.6666666666666) internal successors, (2999), 3 states have internal predecessors, (2999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:50,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:50,643 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2324.0) internal successors, (9296), 4 states have internal predecessors, (9296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:50,643 INFO L175 Difference]: Start difference. First operand has 68 places, 69 transitions, 146 flow. Second operand 3 states and 2999 transitions. [2023-08-29 01:59:50,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 86 transitions, 307 flow [2023-08-29 01:59:50,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 86 transitions, 306 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:59:50,645 INFO L231 Difference]: Finished difference. Result has 71 places, 76 transitions, 209 flow [2023-08-29 01:59:50,646 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=209, PETRI_PLACES=71, PETRI_TRANSITIONS=76} [2023-08-29 01:59:50,646 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -69 predicate places. [2023-08-29 01:59:50,646 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 76 transitions, 209 flow [2023-08-29 01:59:50,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 981.0) internal successors, (2943), 3 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:50,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:50,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:50,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:59:50,648 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:50,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2009556556, now seen corresponding path program 1 times [2023-08-29 01:59:50,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:50,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609729708] [2023-08-29 01:59:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:51,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:51,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609729708] [2023-08-29 01:59:51,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609729708] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:51,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:51,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:59:51,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396551015] [2023-08-29 01:59:51,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:51,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:59:51,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:51,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:59:51,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:59:52,100 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 2324 [2023-08-29 01:59:52,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 76 transitions, 209 flow. Second operand has 6 states, 6 states have (on average 981.6666666666666) internal successors, (5890), 6 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:52,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:52,106 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 2324 [2023-08-29 01:59:52,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:52,670 INFO L130 PetriNetUnfolder]: 340/873 cut-off events. [2023-08-29 01:59:52,671 INFO L131 PetriNetUnfolder]: For 204/256 co-relation queries the response was YES. [2023-08-29 01:59:52,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1869 conditions, 873 events. 340/873 cut-off events. For 204/256 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 4480 event pairs, 159 based on Foata normal form. 18/851 useless extension candidates. Maximal degree in co-relation 1864. Up to 454 conditions per place. [2023-08-29 01:59:52,677 INFO L137 encePairwiseOnDemand]: 2318/2324 looper letters, 74 selfloop transitions, 6 changer transitions 0/103 dead transitions. [2023-08-29 01:59:52,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 103 transitions, 447 flow [2023-08-29 01:59:52,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:59:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:59:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5955 transitions. [2023-08-29 01:59:52,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42706540447504304 [2023-08-29 01:59:52,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5955 transitions. [2023-08-29 01:59:52,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5955 transitions. [2023-08-29 01:59:52,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:52,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5955 transitions. [2023-08-29 01:59:52,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 992.5) internal successors, (5955), 6 states have internal predecessors, (5955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:52,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:52,781 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:52,782 INFO L175 Difference]: Start difference. First operand has 71 places, 76 transitions, 209 flow. Second operand 6 states and 5955 transitions. [2023-08-29 01:59:52,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 103 transitions, 447 flow [2023-08-29 01:59:52,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 103 transitions, 431 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:59:52,789 INFO L231 Difference]: Finished difference. Result has 73 places, 75 transitions, 203 flow [2023-08-29 01:59:52,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=203, PETRI_PLACES=73, PETRI_TRANSITIONS=75} [2023-08-29 01:59:52,792 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -67 predicate places. [2023-08-29 01:59:52,792 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 75 transitions, 203 flow [2023-08-29 01:59:52,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 981.6666666666666) internal successors, (5890), 6 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:52,793 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:52,793 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:52,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:59:52,794 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:52,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:52,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1707240377, now seen corresponding path program 1 times [2023-08-29 01:59:52,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:52,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305915855] [2023-08-29 01:59:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:52,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:53,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:53,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:53,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305915855] [2023-08-29 01:59:53,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305915855] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:53,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:53,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:59:53,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621176843] [2023-08-29 01:59:53,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:53,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:59:53,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:53,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:59:53,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:59:54,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2324 [2023-08-29 01:59:54,067 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 75 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 981.0) internal successors, (5886), 6 states have internal predecessors, (5886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:54,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:54,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2324 [2023-08-29 01:59:54,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:55,341 INFO L130 PetriNetUnfolder]: 1763/3604 cut-off events. [2023-08-29 01:59:55,342 INFO L131 PetriNetUnfolder]: For 771/1055 co-relation queries the response was YES. [2023-08-29 01:59:55,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7757 conditions, 3604 events. 1763/3604 cut-off events. For 771/1055 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 25085 event pairs, 424 based on Foata normal form. 83/3471 useless extension candidates. Maximal degree in co-relation 7752. Up to 1769 conditions per place. [2023-08-29 01:59:55,363 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 103 selfloop transitions, 37 changer transitions 0/161 dead transitions. [2023-08-29 01:59:55,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 161 transitions, 768 flow [2023-08-29 01:59:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:59:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:59:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5985 transitions. [2023-08-29 01:59:55,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292168674698795 [2023-08-29 01:59:55,377 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5985 transitions. [2023-08-29 01:59:55,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5985 transitions. [2023-08-29 01:59:55,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:55,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5985 transitions. [2023-08-29 01:59:55,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 997.5) internal successors, (5985), 6 states have internal predecessors, (5985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:55,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:55,409 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:55,409 INFO L175 Difference]: Start difference. First operand has 73 places, 75 transitions, 203 flow. Second operand 6 states and 5985 transitions. [2023-08-29 01:59:55,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 161 transitions, 768 flow [2023-08-29 01:59:55,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 161 transitions, 740 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:59:55,413 INFO L231 Difference]: Finished difference. Result has 78 places, 111 transitions, 501 flow [2023-08-29 01:59:55,413 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=501, PETRI_PLACES=78, PETRI_TRANSITIONS=111} [2023-08-29 01:59:55,414 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -62 predicate places. [2023-08-29 01:59:55,414 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 111 transitions, 501 flow [2023-08-29 01:59:55,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 981.0) internal successors, (5886), 6 states have internal predecessors, (5886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:55,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:55,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:55,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:59:55,416 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:55,416 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:55,417 INFO L85 PathProgramCache]: Analyzing trace with hash -104938771, now seen corresponding path program 1 times [2023-08-29 01:59:55,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:55,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984198267] [2023-08-29 01:59:55,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:55,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:59:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:59:56,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:59:56,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984198267] [2023-08-29 01:59:56,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984198267] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:59:56,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:59:56,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:59:56,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972881809] [2023-08-29 01:59:56,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:59:56,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:59:56,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:59:56,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:59:56,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:59:56,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 943 out of 2324 [2023-08-29 01:59:56,452 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 111 transitions, 501 flow. Second operand has 6 states, 6 states have (on average 945.6666666666666) internal successors, (5674), 6 states have internal predecessors, (5674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:56,452 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:59:56,452 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 943 of 2324 [2023-08-29 01:59:56,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:59:57,622 INFO L130 PetriNetUnfolder]: 4041/7105 cut-off events. [2023-08-29 01:59:57,622 INFO L131 PetriNetUnfolder]: For 5183/5477 co-relation queries the response was YES. [2023-08-29 01:59:57,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20000 conditions, 7105 events. 4041/7105 cut-off events. For 5183/5477 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 44155 event pairs, 1859 based on Foata normal form. 6/6906 useless extension candidates. Maximal degree in co-relation 19991. Up to 5788 conditions per place. [2023-08-29 01:59:57,676 INFO L137 encePairwiseOnDemand]: 2311/2324 looper letters, 123 selfloop transitions, 55 changer transitions 0/186 dead transitions. [2023-08-29 01:59:57,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 186 transitions, 1171 flow [2023-08-29 01:59:57,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:59:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:59:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5777 transitions. [2023-08-29 01:59:57,690 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41430005737234654 [2023-08-29 01:59:57,690 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5777 transitions. [2023-08-29 01:59:57,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5777 transitions. [2023-08-29 01:59:57,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:59:57,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5777 transitions. [2023-08-29 01:59:57,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 962.8333333333334) internal successors, (5777), 6 states have internal predecessors, (5777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:57,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:57,716 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:57,717 INFO L175 Difference]: Start difference. First operand has 78 places, 111 transitions, 501 flow. Second operand 6 states and 5777 transitions. [2023-08-29 01:59:57,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 186 transitions, 1171 flow [2023-08-29 01:59:57,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 186 transitions, 1171 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:59:57,744 INFO L231 Difference]: Finished difference. Result has 88 places, 156 transitions, 997 flow [2023-08-29 01:59:57,745 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=997, PETRI_PLACES=88, PETRI_TRANSITIONS=156} [2023-08-29 01:59:57,745 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -52 predicate places. [2023-08-29 01:59:57,745 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 156 transitions, 997 flow [2023-08-29 01:59:57,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 945.6666666666666) internal successors, (5674), 6 states have internal predecessors, (5674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:59:57,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:59:57,747 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:59:57,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:59:57,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 01:59:57,748 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:59:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash 493365760, now seen corresponding path program 1 times [2023-08-29 01:59:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:59:57,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961353007] [2023-08-29 01:59:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:59:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:59:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:00,195 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 02:00:00,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:00,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961353007] [2023-08-29 02:00:00,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961353007] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:00,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:00,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:00,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950717547] [2023-08-29 02:00:00,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:00,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 02:00:00,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:00,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 02:00:00,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-08-29 02:00:00,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 968 out of 2324 [2023-08-29 02:00:00,836 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 156 transitions, 997 flow. Second operand has 7 states, 7 states have (on average 970.0) internal successors, (6790), 7 states have internal predecessors, (6790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:00,836 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:00,836 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 968 of 2324 [2023-08-29 02:00:00,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:01,999 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2405] whoop_wrapper_pc8736x_gpio_openEXIT-->L7070-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1442#1_5| v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4) (= v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4 0)) InVars {ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][188], [1011#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1InUse, 688#L6863-4true, Black: 1030#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), 1062#(and (= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1_pc8736x_gpio_current_~port~2#1| |~#pc8736x_gpio_shadow~0.offset|)) 0) (not (= ~whoop_file_1~0.base |~#pc8736x_gpio_shadow~0.base|)) (not (= ~whoop_inode_1~0.base ~whoop_file_1~0.base)) (not (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base| |~#pc8736x_gpio_shadow~0.base|))), Black: 1029#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1028#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0), 1038#true, Black: 1026#true, 1002#true, Black: 1040#(= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|), 1007#(= |#race~pdev~0| 0), Black: 1041#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), 1031#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1043#(and (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1| (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 31 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|))) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1042#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1013#true, 907#L7070-7true]) [2023-08-29 02:00:01,999 INFO L383 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2023-08-29 02:00:02,000 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 02:00:02,000 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 02:00:02,000 INFO L386 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2023-08-29 02:00:02,005 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2405] whoop_wrapper_pc8736x_gpio_openEXIT-->L7070-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1442#1_5| v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4) (= v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4 0)) InVars {ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][188], [879#L6864-1true, 1011#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1InUse, Black: 1030#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1029#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), 1062#(and (= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1_pc8736x_gpio_current_~port~2#1| |~#pc8736x_gpio_shadow~0.offset|)) 0) (not (= ~whoop_file_1~0.base |~#pc8736x_gpio_shadow~0.base|)) (not (= ~whoop_inode_1~0.base ~whoop_file_1~0.base)) (not (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base| |~#pc8736x_gpio_shadow~0.base|))), Black: 1028#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0), 1038#true, Black: 1026#true, 1002#true, Black: 1040#(= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|), 1007#(= |#race~pdev~0| 0), Black: 1041#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), 1031#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1043#(and (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1| (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 31 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|))) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1042#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1013#true, 907#L7070-7true]) [2023-08-29 02:00:02,006 INFO L383 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2023-08-29 02:00:02,006 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 02:00:02,006 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 02:00:02,006 INFO L386 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2023-08-29 02:00:02,049 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([2405] whoop_wrapper_pc8736x_gpio_openEXIT-->L7070-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1442#1_5| v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4) (= v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4 0)) InVars {ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem1442#1=|v_ULTIMATE.start_main_#t~mem1442#1_5|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar1_4, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0=v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][188], [1011#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1InUse, 243#whoop_wrapper_pc8736x_gpio_currentEXITtrue, Black: 1030#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), 1062#(and (= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1_pc8736x_gpio_current_~port~2#1| |~#pc8736x_gpio_shadow~0.offset|)) 0) (not (= ~whoop_file_1~0.base |~#pc8736x_gpio_shadow~0.base|)) (not (= ~whoop_inode_1~0.base ~whoop_file_1~0.base)) (not (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base| |~#pc8736x_gpio_shadow~0.base|))), Black: 1029#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1028#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0), 1038#true, Black: 1026#true, 1002#true, Black: 1040#(= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|), 1007#(= |#race~pdev~0| 0), 1031#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 3)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 2)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_open~0#1.offset| 1)) 0)), Black: 1041#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1043#(and (= |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1| (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 31 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|))) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1042#(and (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 28 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 30 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|) (= (select (select |#race| |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base|) (+ 29 |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset|)) |whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~nondet1360#1|)), Black: 1013#true, 907#L7070-7true]) [2023-08-29 02:00:02,049 INFO L383 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2023-08-29 02:00:02,049 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 02:00:02,049 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 02:00:02,049 INFO L386 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2023-08-29 02:00:02,056 INFO L130 PetriNetUnfolder]: 1765/3800 cut-off events. [2023-08-29 02:00:02,057 INFO L131 PetriNetUnfolder]: For 5409/5667 co-relation queries the response was YES. [2023-08-29 02:00:02,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12756 conditions, 3800 events. 1765/3800 cut-off events. For 5409/5667 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 27858 event pairs, 139 based on Foata normal form. 24/3635 useless extension candidates. Maximal degree in co-relation 12742. Up to 2053 conditions per place. [2023-08-29 02:00:02,092 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 142 selfloop transitions, 9 changer transitions 0/196 dead transitions. [2023-08-29 02:00:02,092 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 196 transitions, 1546 flow [2023-08-29 02:00:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:00:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:00:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5879 transitions. [2023-08-29 02:00:02,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4216150315547906 [2023-08-29 02:00:02,103 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5879 transitions. [2023-08-29 02:00:02,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5879 transitions. [2023-08-29 02:00:02,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:02,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5879 transitions. [2023-08-29 02:00:02,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 979.8333333333334) internal successors, (5879), 6 states have internal predecessors, (5879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:02,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:02,131 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:02,132 INFO L175 Difference]: Start difference. First operand has 88 places, 156 transitions, 997 flow. Second operand 6 states and 5879 transitions. [2023-08-29 02:00:02,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 196 transitions, 1546 flow [2023-08-29 02:00:02,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 196 transitions, 1528 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-08-29 02:00:02,160 INFO L231 Difference]: Finished difference. Result has 91 places, 156 transitions, 997 flow [2023-08-29 02:00:02,160 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=997, PETRI_PLACES=91, PETRI_TRANSITIONS=156} [2023-08-29 02:00:02,162 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -49 predicate places. [2023-08-29 02:00:02,162 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 156 transitions, 997 flow [2023-08-29 02:00:02,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 970.0) internal successors, (6790), 7 states have internal predecessors, (6790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:02,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:02,164 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:02,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 02:00:02,164 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:02,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:02,165 INFO L85 PathProgramCache]: Analyzing trace with hash 13359386, now seen corresponding path program 1 times [2023-08-29 02:00:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:02,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914670164] [2023-08-29 02:00:02,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:02,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:03,567 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 02:00:03,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:03,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914670164] [2023-08-29 02:00:03,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914670164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:03,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:03,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:00:03,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472061746] [2023-08-29 02:00:03,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:03,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:00:03,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:03,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:00:03,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:00:05,149 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 971 out of 2324 [2023-08-29 02:00:05,153 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 156 transitions, 997 flow. Second operand has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:05,153 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:05,154 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 971 of 2324 [2023-08-29 02:00:05,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:07,717 INFO L130 PetriNetUnfolder]: 3146/6211 cut-off events. [2023-08-29 02:00:07,718 INFO L131 PetriNetUnfolder]: For 8313/8633 co-relation queries the response was YES. [2023-08-29 02:00:07,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20979 conditions, 6211 events. 3146/6211 cut-off events. For 8313/8633 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 45641 event pairs, 622 based on Foata normal form. 264/6278 useless extension candidates. Maximal degree in co-relation 20964. Up to 2528 conditions per place. [2023-08-29 02:00:07,759 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 166 selfloop transitions, 55 changer transitions 0/254 dead transitions. [2023-08-29 02:00:07,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 254 transitions, 1927 flow [2023-08-29 02:00:07,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:00:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:00:07,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8866 transitions. [2023-08-29 02:00:07,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4238860202715624 [2023-08-29 02:00:07,776 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8866 transitions. [2023-08-29 02:00:07,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8866 transitions. [2023-08-29 02:00:07,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:07,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8866 transitions. [2023-08-29 02:00:07,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 985.1111111111111) internal successors, (8866), 9 states have internal predecessors, (8866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:07,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:07,806 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:07,806 INFO L175 Difference]: Start difference. First operand has 91 places, 156 transitions, 997 flow. Second operand 9 states and 8866 transitions. [2023-08-29 02:00:07,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 254 transitions, 1927 flow [2023-08-29 02:00:07,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 254 transitions, 1926 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:00:07,841 INFO L231 Difference]: Finished difference. Result has 101 places, 172 transitions, 1367 flow [2023-08-29 02:00:07,841 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1367, PETRI_PLACES=101, PETRI_TRANSITIONS=172} [2023-08-29 02:00:07,842 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -39 predicate places. [2023-08-29 02:00:07,842 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 172 transitions, 1367 flow [2023-08-29 02:00:07,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:07,844 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:07,844 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] [2023-08-29 02:00:07,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 02:00:07,845 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:07,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1450405358, now seen corresponding path program 2 times [2023-08-29 02:00:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807938469] [2023-08-29 02:00:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:07,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:09,109 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 02:00:09,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:09,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807938469] [2023-08-29 02:00:09,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807938469] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:09,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:09,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 02:00:09,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090196205] [2023-08-29 02:00:09,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:09,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 02:00:09,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:09,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 02:00:09,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 02:00:10,716 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 975 out of 2324 [2023-08-29 02:00:10,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 172 transitions, 1367 flow. Second operand has 10 states, 10 states have (on average 976.6) internal successors, (9766), 10 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:10,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:10,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 975 of 2324 [2023-08-29 02:00:10,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:13,499 INFO L130 PetriNetUnfolder]: 4175/8053 cut-off events. [2023-08-29 02:00:13,499 INFO L131 PetriNetUnfolder]: For 15944/16338 co-relation queries the response was YES. [2023-08-29 02:00:13,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29434 conditions, 8053 events. 4175/8053 cut-off events. For 15944/16338 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 60498 event pairs, 389 based on Foata normal form. 311/8128 useless extension candidates. Maximal degree in co-relation 29416. Up to 2417 conditions per place. [2023-08-29 02:00:13,555 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 243 selfloop transitions, 39 changer transitions 0/315 dead transitions. [2023-08-29 02:00:13,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 315 transitions, 2892 flow [2023-08-29 02:00:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:00:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:00:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9872 transitions. [2023-08-29 02:00:13,572 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42478485370051633 [2023-08-29 02:00:13,573 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9872 transitions. [2023-08-29 02:00:13,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9872 transitions. [2023-08-29 02:00:13,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:13,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9872 transitions. [2023-08-29 02:00:13,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 987.2) internal successors, (9872), 10 states have internal predecessors, (9872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:13,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:13,603 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:13,603 INFO L175 Difference]: Start difference. First operand has 101 places, 172 transitions, 1367 flow. Second operand 10 states and 9872 transitions. [2023-08-29 02:00:13,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 315 transitions, 2892 flow [2023-08-29 02:00:13,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 315 transitions, 2832 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 02:00:13,665 INFO L231 Difference]: Finished difference. Result has 110 places, 196 transitions, 1676 flow [2023-08-29 02:00:13,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=1324, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1676, PETRI_PLACES=110, PETRI_TRANSITIONS=196} [2023-08-29 02:00:13,666 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -30 predicate places. [2023-08-29 02:00:13,666 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 196 transitions, 1676 flow [2023-08-29 02:00:13,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 976.6) internal successors, (9766), 10 states have internal predecessors, (9766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:13,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:13,669 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] [2023-08-29 02:00:13,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 02:00:13,670 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:13,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:13,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1945049320, now seen corresponding path program 3 times [2023-08-29 02:00:13,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:13,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054580599] [2023-08-29 02:00:13,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:13,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:15,350 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 02:00:15,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:15,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054580599] [2023-08-29 02:00:15,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054580599] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:15,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:15,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:00:15,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282043125] [2023-08-29 02:00:15,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:15,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:00:15,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:15,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:00:15,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:00:16,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 971 out of 2324 [2023-08-29 02:00:16,894 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 196 transitions, 1676 flow. Second operand has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:16,894 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:16,894 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 971 of 2324 [2023-08-29 02:00:16,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:20,026 INFO L130 PetriNetUnfolder]: 4912/9695 cut-off events. [2023-08-29 02:00:20,026 INFO L131 PetriNetUnfolder]: For 30475/30975 co-relation queries the response was YES. [2023-08-29 02:00:20,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38640 conditions, 9695 events. 4912/9695 cut-off events. For 30475/30975 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 77095 event pairs, 904 based on Foata normal form. 381/9756 useless extension candidates. Maximal degree in co-relation 38617. Up to 3741 conditions per place. [2023-08-29 02:00:20,109 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 222 selfloop transitions, 70 changer transitions 0/325 dead transitions. [2023-08-29 02:00:20,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 325 transitions, 3076 flow [2023-08-29 02:00:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:00:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:00:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9851 transitions. [2023-08-29 02:00:20,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.423881239242685 [2023-08-29 02:00:20,124 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9851 transitions. [2023-08-29 02:00:20,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9851 transitions. [2023-08-29 02:00:20,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:20,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9851 transitions. [2023-08-29 02:00:20,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 985.1) internal successors, (9851), 10 states have internal predecessors, (9851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:20,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:20,153 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:20,153 INFO L175 Difference]: Start difference. First operand has 110 places, 196 transitions, 1676 flow. Second operand 10 states and 9851 transitions. [2023-08-29 02:00:20,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 325 transitions, 3076 flow [2023-08-29 02:00:20,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 325 transitions, 3072 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:00:20,348 INFO L231 Difference]: Finished difference. Result has 122 places, 221 transitions, 2293 flow [2023-08-29 02:00:20,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=1672, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2293, PETRI_PLACES=122, PETRI_TRANSITIONS=221} [2023-08-29 02:00:20,349 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -18 predicate places. [2023-08-29 02:00:20,349 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 221 transitions, 2293 flow [2023-08-29 02:00:20,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 972.4545454545455) internal successors, (10697), 11 states have internal predecessors, (10697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:20,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:20,351 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:20,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 02:00:20,352 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:20,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1046013289, now seen corresponding path program 1 times [2023-08-29 02:00:20,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:20,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686833151] [2023-08-29 02:00:20,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:21,231 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 02:00:21,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:21,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686833151] [2023-08-29 02:00:21,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686833151] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:21,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:21,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 02:00:21,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602604276] [2023-08-29 02:00:21,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:21,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 02:00:21,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:21,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 02:00:21,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 02:00:22,192 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 2324 [2023-08-29 02:00:22,197 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 221 transitions, 2293 flow. Second operand has 10 states, 10 states have (on average 940.0) internal successors, (9400), 10 states have internal predecessors, (9400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:22,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:22,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 2324 [2023-08-29 02:00:22,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:25,362 INFO L130 PetriNetUnfolder]: 7613/13747 cut-off events. [2023-08-29 02:00:25,362 INFO L131 PetriNetUnfolder]: For 61357/61580 co-relation queries the response was YES. [2023-08-29 02:00:25,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58735 conditions, 13747 events. 7613/13747 cut-off events. For 61357/61580 co-relation queries the response was YES. Maximal size of possible extension queue 517. Compared 99829 event pairs, 2271 based on Foata normal form. 277/13936 useless extension candidates. Maximal degree in co-relation 58707. Up to 9322 conditions per place. [2023-08-29 02:00:25,459 INFO L137 encePairwiseOnDemand]: 2311/2324 looper letters, 212 selfloop transitions, 114 changer transitions 0/337 dead transitions. [2023-08-29 02:00:25,459 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 337 transitions, 3970 flow [2023-08-29 02:00:25,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:00:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:00:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8574 transitions. [2023-08-29 02:00:25,468 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4099254159495123 [2023-08-29 02:00:25,468 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8574 transitions. [2023-08-29 02:00:25,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8574 transitions. [2023-08-29 02:00:25,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:25,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8574 transitions. [2023-08-29 02:00:25,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 952.6666666666666) internal successors, (8574), 9 states have internal predecessors, (8574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:25,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:25,495 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:25,495 INFO L175 Difference]: Start difference. First operand has 122 places, 221 transitions, 2293 flow. Second operand 9 states and 8574 transitions. [2023-08-29 02:00:25,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 337 transitions, 3970 flow [2023-08-29 02:00:25,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 337 transitions, 3888 flow, removed 9 selfloop flow, removed 5 redundant places. [2023-08-29 02:00:25,797 INFO L231 Difference]: Finished difference. Result has 130 places, 266 transitions, 3248 flow [2023-08-29 02:00:25,797 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=2236, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3248, PETRI_PLACES=130, PETRI_TRANSITIONS=266} [2023-08-29 02:00:25,797 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -10 predicate places. [2023-08-29 02:00:25,797 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 266 transitions, 3248 flow [2023-08-29 02:00:25,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 940.0) internal successors, (9400), 10 states have internal predecessors, (9400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:25,798 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:25,799 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:25,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 02:00:25,799 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:25,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2073334918, now seen corresponding path program 4 times [2023-08-29 02:00:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:25,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334263788] [2023-08-29 02:00:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:27,873 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 02:00:27,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:27,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334263788] [2023-08-29 02:00:27,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334263788] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:27,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:27,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:00:27,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817335654] [2023-08-29 02:00:27,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:27,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:00:27,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:27,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:00:27,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:00:29,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 972 out of 2324 [2023-08-29 02:00:29,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 266 transitions, 3248 flow. Second operand has 11 states, 11 states have (on average 973.4545454545455) internal successors, (10708), 11 states have internal predecessors, (10708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:29,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:29,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 972 of 2324 [2023-08-29 02:00:29,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:33,159 INFO L130 PetriNetUnfolder]: 6832/13402 cut-off events. [2023-08-29 02:00:33,159 INFO L131 PetriNetUnfolder]: For 75170/75923 co-relation queries the response was YES. [2023-08-29 02:00:33,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64725 conditions, 13402 events. 6832/13402 cut-off events. For 75170/75923 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 112245 event pairs, 1030 based on Foata normal form. 605/13600 useless extension candidates. Maximal degree in co-relation 64693. Up to 4398 conditions per place. [2023-08-29 02:00:33,256 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 300 selfloop transitions, 111 changer transitions 0/458 dead transitions. [2023-08-29 02:00:33,256 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 458 transitions, 6090 flow [2023-08-29 02:00:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:00:33,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:00:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9863 transitions. [2023-08-29 02:00:33,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4243975903614458 [2023-08-29 02:00:33,266 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9863 transitions. [2023-08-29 02:00:33,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9863 transitions. [2023-08-29 02:00:33,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:33,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9863 transitions. [2023-08-29 02:00:33,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 986.3) internal successors, (9863), 10 states have internal predecessors, (9863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:33,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:33,294 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:33,294 INFO L175 Difference]: Start difference. First operand has 130 places, 266 transitions, 3248 flow. Second operand 10 states and 9863 transitions. [2023-08-29 02:00:33,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 458 transitions, 6090 flow [2023-08-29 02:00:33,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 458 transitions, 6086 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:00:33,893 INFO L231 Difference]: Finished difference. Result has 143 places, 319 transitions, 4714 flow [2023-08-29 02:00:33,893 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=3244, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4714, PETRI_PLACES=143, PETRI_TRANSITIONS=319} [2023-08-29 02:00:33,894 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 3 predicate places. [2023-08-29 02:00:33,894 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 319 transitions, 4714 flow [2023-08-29 02:00:33,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 973.4545454545455) internal successors, (10708), 11 states have internal predecessors, (10708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:33,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:33,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:33,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 02:00:33,896 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:33,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:33,896 INFO L85 PathProgramCache]: Analyzing trace with hash -727812862, now seen corresponding path program 1 times [2023-08-29 02:00:33,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:33,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442091763] [2023-08-29 02:00:33,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:33,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:35,625 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 02:00:35,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:35,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442091763] [2023-08-29 02:00:35,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442091763] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:35,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:35,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 02:00:35,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715671851] [2023-08-29 02:00:35,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:35,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 02:00:35,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:35,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 02:00:35,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 02:00:36,219 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 941 out of 2324 [2023-08-29 02:00:36,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 319 transitions, 4714 flow. Second operand has 9 states, 9 states have (on average 943.2222222222222) internal successors, (8489), 9 states have internal predecessors, (8489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:36,222 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:36,222 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 941 of 2324 [2023-08-29 02:00:36,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:40,088 INFO L130 PetriNetUnfolder]: 9730/17694 cut-off events. [2023-08-29 02:00:40,088 INFO L131 PetriNetUnfolder]: For 123597/124025 co-relation queries the response was YES. [2023-08-29 02:00:40,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88426 conditions, 17694 events. 9730/17694 cut-off events. For 123597/124025 co-relation queries the response was YES. Maximal size of possible extension queue 729. Compared 136584 event pairs, 2490 based on Foata normal form. 380/17945 useless extension candidates. Maximal degree in co-relation 88388. Up to 12510 conditions per place. [2023-08-29 02:00:40,238 INFO L137 encePairwiseOnDemand]: 2311/2324 looper letters, 243 selfloop transitions, 180 changer transitions 0/437 dead transitions. [2023-08-29 02:00:40,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 437 transitions, 6686 flow [2023-08-29 02:00:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 02:00:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 02:00:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7660 transitions. [2023-08-29 02:00:40,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4120051635111876 [2023-08-29 02:00:40,244 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 7660 transitions. [2023-08-29 02:00:40,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 7660 transitions. [2023-08-29 02:00:40,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:40,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 7660 transitions. [2023-08-29 02:00:40,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 957.5) internal successors, (7660), 8 states have internal predecessors, (7660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:40,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2324.0) internal successors, (20916), 9 states have internal predecessors, (20916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:40,271 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2324.0) internal successors, (20916), 9 states have internal predecessors, (20916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:40,271 INFO L175 Difference]: Start difference. First operand has 143 places, 319 transitions, 4714 flow. Second operand 8 states and 7660 transitions. [2023-08-29 02:00:40,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 437 transitions, 6686 flow [2023-08-29 02:00:40,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 437 transitions, 6568 flow, removed 43 selfloop flow, removed 3 redundant places. [2023-08-29 02:00:40,956 INFO L231 Difference]: Finished difference. Result has 152 places, 384 transitions, 6270 flow [2023-08-29 02:00:40,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=4626, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6270, PETRI_PLACES=152, PETRI_TRANSITIONS=384} [2023-08-29 02:00:40,957 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 12 predicate places. [2023-08-29 02:00:40,957 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 384 transitions, 6270 flow [2023-08-29 02:00:40,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 943.2222222222222) internal successors, (8489), 9 states have internal predecessors, (8489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:40,958 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:40,958 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:40,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 02:00:40,958 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:40,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:40,958 INFO L85 PathProgramCache]: Analyzing trace with hash -976902870, now seen corresponding path program 5 times [2023-08-29 02:00:40,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:40,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996341258] [2023-08-29 02:00:40,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:40,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:42,239 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 02:00:42,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:42,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996341258] [2023-08-29 02:00:42,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996341258] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:42,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:42,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:00:42,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363392221] [2023-08-29 02:00:42,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:42,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:00:42,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:42,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:00:42,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:00:43,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 971 out of 2324 [2023-08-29 02:00:43,770 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 384 transitions, 6270 flow. Second operand has 11 states, 11 states have (on average 972.5454545454545) internal successors, (10698), 11 states have internal predecessors, (10698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:43,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:43,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 971 of 2324 [2023-08-29 02:00:43,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:48,034 INFO L130 PetriNetUnfolder]: 7680/15275 cut-off events. [2023-08-29 02:00:48,034 INFO L131 PetriNetUnfolder]: For 139344/140256 co-relation queries the response was YES. [2023-08-29 02:00:48,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87383 conditions, 15275 events. 7680/15275 cut-off events. For 139344/140256 co-relation queries the response was YES. Maximal size of possible extension queue 814. Compared 132809 event pairs, 925 based on Foata normal form. 713/15544 useless extension candidates. Maximal degree in co-relation 87340. Up to 3735 conditions per place. [2023-08-29 02:00:48,152 INFO L137 encePairwiseOnDemand]: 2310/2324 looper letters, 417 selfloop transitions, 137 changer transitions 0/602 dead transitions. [2023-08-29 02:00:48,152 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 602 transitions, 10178 flow [2023-08-29 02:00:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 02:00:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 02:00:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9853 transitions. [2023-08-29 02:00:48,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4239672977624785 [2023-08-29 02:00:48,161 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 9853 transitions. [2023-08-29 02:00:48,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 9853 transitions. [2023-08-29 02:00:48,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:48,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 9853 transitions. [2023-08-29 02:00:48,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 985.3) internal successors, (9853), 10 states have internal predecessors, (9853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:48,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:48,184 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2324.0) internal successors, (25564), 11 states have internal predecessors, (25564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:48,184 INFO L175 Difference]: Start difference. First operand has 152 places, 384 transitions, 6270 flow. Second operand 10 states and 9853 transitions. [2023-08-29 02:00:48,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 602 transitions, 10178 flow [2023-08-29 02:00:49,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 602 transitions, 9918 flow, removed 27 selfloop flow, removed 6 redundant places. [2023-08-29 02:00:49,047 INFO L231 Difference]: Finished difference. Result has 159 places, 420 transitions, 7514 flow [2023-08-29 02:00:49,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=6035, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=7514, PETRI_PLACES=159, PETRI_TRANSITIONS=420} [2023-08-29 02:00:49,048 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 19 predicate places. [2023-08-29 02:00:49,048 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 420 transitions, 7514 flow [2023-08-29 02:00:49,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 972.5454545454545) internal successors, (10698), 11 states have internal predecessors, (10698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:49,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:49,049 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:49,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 02:00:49,049 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:49,049 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:49,049 INFO L85 PathProgramCache]: Analyzing trace with hash -436906706, now seen corresponding path program 1 times [2023-08-29 02:00:49,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:49,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374504659] [2023-08-29 02:00:49,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:49,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:51,152 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 02:00:51,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:51,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374504659] [2023-08-29 02:00:51,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374504659] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:51,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:51,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 02:00:51,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118900296] [2023-08-29 02:00:51,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:51,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 02:00:51,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:51,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 02:00:51,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 02:00:52,700 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 937 out of 2324 [2023-08-29 02:00:52,706 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 420 transitions, 7514 flow. Second operand has 11 states, 11 states have (on average 939.0) internal successors, (10329), 11 states have internal predecessors, (10329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:52,706 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:52,706 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 937 of 2324 [2023-08-29 02:00:52,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:00:57,056 INFO L130 PetriNetUnfolder]: 9795/18197 cut-off events. [2023-08-29 02:00:57,056 INFO L131 PetriNetUnfolder]: For 162757/163170 co-relation queries the response was YES. [2023-08-29 02:00:57,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103033 conditions, 18197 events. 9795/18197 cut-off events. For 162757/163170 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 144303 event pairs, 2247 based on Foata normal form. 417/18484 useless extension candidates. Maximal degree in co-relation 102989. Up to 8556 conditions per place. [2023-08-29 02:00:57,182 INFO L137 encePairwiseOnDemand]: 2314/2324 looper letters, 273 selfloop transitions, 218 changer transitions 0/504 dead transitions. [2023-08-29 02:00:57,182 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 504 transitions, 9180 flow [2023-08-29 02:00:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 02:00:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 02:00:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8559 transitions. [2023-08-29 02:00:57,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4092082616179002 [2023-08-29 02:00:57,189 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 8559 transitions. [2023-08-29 02:00:57,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 8559 transitions. [2023-08-29 02:00:57,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:00:57,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 8559 transitions. [2023-08-29 02:00:57,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 951.0) internal successors, (8559), 9 states have internal predecessors, (8559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:57,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:57,209 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2324.0) internal successors, (23240), 10 states have internal predecessors, (23240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:57,210 INFO L175 Difference]: Start difference. First operand has 159 places, 420 transitions, 7514 flow. Second operand 9 states and 8559 transitions. [2023-08-29 02:00:57,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 504 transitions, 9180 flow [2023-08-29 02:00:57,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 504 transitions, 8902 flow, removed 79 selfloop flow, removed 4 redundant places. [2023-08-29 02:00:57,890 INFO L231 Difference]: Finished difference. Result has 162 places, 419 transitions, 7732 flow [2023-08-29 02:00:57,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=7296, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=218, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=7732, PETRI_PLACES=162, PETRI_TRANSITIONS=419} [2023-08-29 02:00:57,891 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 22 predicate places. [2023-08-29 02:00:57,891 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 419 transitions, 7732 flow [2023-08-29 02:00:57,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 939.0) internal successors, (10329), 11 states have internal predecessors, (10329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:57,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:00:57,892 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:00:57,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 02:00:57,892 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:00:57,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:00:57,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1942083208, now seen corresponding path program 1 times [2023-08-29 02:00:57,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:00:57,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473169627] [2023-08-29 02:00:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:00:57,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:00:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:00:58,506 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 02:00:58,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:00:58,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473169627] [2023-08-29 02:00:58,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473169627] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:00:58,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:00:58,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:00:58,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598877115] [2023-08-29 02:00:58,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:00:58,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:00:58,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:00:58,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:00:58,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:00:58,990 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2324 [2023-08-29 02:00:58,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 419 transitions, 7732 flow. Second operand has 6 states, 6 states have (on average 982.0) internal successors, (5892), 6 states have internal predecessors, (5892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:00:58,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:00:58,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2324 [2023-08-29 02:00:58,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:01:01,216 INFO L130 PetriNetUnfolder]: 5856/12159 cut-off events. [2023-08-29 02:01:01,216 INFO L131 PetriNetUnfolder]: For 129315/130718 co-relation queries the response was YES. [2023-08-29 02:01:01,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71330 conditions, 12159 events. 5856/12159 cut-off events. For 129315/130718 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 107444 event pairs, 711 based on Foata normal form. 577/12301 useless extension candidates. Maximal degree in co-relation 71287. Up to 6041 conditions per place. [2023-08-29 02:01:01,323 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 293 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2023-08-29 02:01:01,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 454 transitions, 8436 flow [2023-08-29 02:01:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:01:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:01:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5950 transitions. [2023-08-29 02:01:01,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4267068273092369 [2023-08-29 02:01:01,330 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5950 transitions. [2023-08-29 02:01:01,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5950 transitions. [2023-08-29 02:01:01,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:01:01,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5950 transitions. [2023-08-29 02:01:01,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 991.6666666666666) internal successors, (5950), 6 states have internal predecessors, (5950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:01,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:01,482 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:01,483 INFO L175 Difference]: Start difference. First operand has 162 places, 419 transitions, 7732 flow. Second operand 6 states and 5950 transitions. [2023-08-29 02:01:01,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 454 transitions, 8436 flow [2023-08-29 02:01:01,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 454 transitions, 8000 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-29 02:01:01,948 INFO L231 Difference]: Finished difference. Result has 158 places, 418 transitions, 7302 flow [2023-08-29 02:01:01,948 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=7294, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=7302, PETRI_PLACES=158, PETRI_TRANSITIONS=418} [2023-08-29 02:01:01,948 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 18 predicate places. [2023-08-29 02:01:01,949 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 418 transitions, 7302 flow [2023-08-29 02:01:01,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 982.0) internal successors, (5892), 6 states have internal predecessors, (5892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:01,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:01:01,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:01:01,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 02:01:01,950 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 87 more)] === [2023-08-29 02:01:01,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:01:01,951 INFO L85 PathProgramCache]: Analyzing trace with hash -791284718, now seen corresponding path program 1 times [2023-08-29 02:01:01,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:01:01,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598320153] [2023-08-29 02:01:01,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:01:01,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:01:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:01:02,631 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 02:01:02,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:01:02,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598320153] [2023-08-29 02:01:02,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598320153] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:01:02,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:01:02,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 02:01:02,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878806477] [2023-08-29 02:01:02,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:01:02,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 02:01:02,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:01:02,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 02:01:02,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 02:01:03,180 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 979 out of 2324 [2023-08-29 02:01:03,183 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 418 transitions, 7302 flow. Second operand has 6 states, 6 states have (on average 982.8333333333334) internal successors, (5897), 6 states have internal predecessors, (5897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:03,183 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:01:03,183 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 979 of 2324 [2023-08-29 02:01:03,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:01:05,417 INFO L130 PetriNetUnfolder]: 5326/11200 cut-off events. [2023-08-29 02:01:05,417 INFO L131 PetriNetUnfolder]: For 108164/109715 co-relation queries the response was YES. [2023-08-29 02:01:05,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65439 conditions, 11200 events. 5326/11200 cut-off events. For 108164/109715 co-relation queries the response was YES. Maximal size of possible extension queue 723. Compared 99429 event pairs, 869 based on Foata normal form. 628/11346 useless extension candidates. Maximal degree in co-relation 65396. Up to 6202 conditions per place. [2023-08-29 02:01:05,475 INFO L137 encePairwiseOnDemand]: 2319/2324 looper letters, 0 selfloop transitions, 0 changer transitions 441/441 dead transitions. [2023-08-29 02:01:05,475 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 441 transitions, 7942 flow [2023-08-29 02:01:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 02:01:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 02:01:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5937 transitions. [2023-08-29 02:01:05,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42577452667814114 [2023-08-29 02:01:05,479 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5937 transitions. [2023-08-29 02:01:05,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5937 transitions. [2023-08-29 02:01:05,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:01:05,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5937 transitions. [2023-08-29 02:01:05,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 989.5) internal successors, (5937), 6 states have internal predecessors, (5937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:05,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:05,491 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2324.0) internal successors, (16268), 7 states have internal predecessors, (16268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:05,491 INFO L175 Difference]: Start difference. First operand has 158 places, 418 transitions, 7302 flow. Second operand 6 states and 5937 transitions. [2023-08-29 02:01:05,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 441 transitions, 7942 flow [2023-08-29 02:01:05,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 441 transitions, 7935 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 02:01:05,998 INFO L231 Difference]: Finished difference. Result has 158 places, 0 transitions, 0 flow [2023-08-29 02:01:05,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2324, PETRI_DIFFERENCE_MINUEND_FLOW=7293, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=158, PETRI_TRANSITIONS=0} [2023-08-29 02:01:05,998 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, 18 predicate places. [2023-08-29 02:01:05,998 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 0 transitions, 0 flow [2023-08-29 02:01:05,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 982.8333333333334) internal successors, (5897), 6 states have internal predecessors, (5897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:01:06,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (88 of 89 remaining) [2023-08-29 02:01:06,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (87 of 89 remaining) [2023-08-29 02:01:06,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (86 of 89 remaining) [2023-08-29 02:01:06,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (85 of 89 remaining) [2023-08-29 02:01:06,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (84 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE (83 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (82 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr2ASSERT_VIOLATIONDATA_RACE (81 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (80 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (79 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (78 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (77 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (76 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (75 of 89 remaining) [2023-08-29 02:01:06,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (74 of 89 remaining) [2023-08-29 02:01:06,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (73 of 89 remaining) [2023-08-29 02:01:06,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (72 of 89 remaining) [2023-08-29 02:01:06,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (71 of 89 remaining) [2023-08-29 02:01:06,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (70 of 89 remaining) [2023-08-29 02:01:06,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (69 of 89 remaining) [2023-08-29 02:01:06,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (68 of 89 remaining) [2023-08-29 02:01:06,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (67 of 89 remaining) [2023-08-29 02:01:06,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (66 of 89 remaining) [2023-08-29 02:01:06,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (65 of 89 remaining) [2023-08-29 02:01:06,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (64 of 89 remaining) [2023-08-29 02:01:06,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (63 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (62 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (61 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (60 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (59 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (58 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (57 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (56 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (55 of 89 remaining) [2023-08-29 02:01:06,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (54 of 89 remaining) [2023-08-29 02:01:06,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (53 of 89 remaining) [2023-08-29 02:01:06,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (52 of 89 remaining) [2023-08-29 02:01:06,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (51 of 89 remaining) [2023-08-29 02:01:06,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (50 of 89 remaining) [2023-08-29 02:01:06,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (49 of 89 remaining) [2023-08-29 02:01:06,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (48 of 89 remaining) [2023-08-29 02:01:06,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (47 of 89 remaining) [2023-08-29 02:01:06,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (46 of 89 remaining) [2023-08-29 02:01:06,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (45 of 89 remaining) [2023-08-29 02:01:06,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (44 of 89 remaining) [2023-08-29 02:01:06,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (43 of 89 remaining) [2023-08-29 02:01:06,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (42 of 89 remaining) [2023-08-29 02:01:06,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (41 of 89 remaining) [2023-08-29 02:01:06,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (40 of 89 remaining) [2023-08-29 02:01:06,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (39 of 89 remaining) [2023-08-29 02:01:06,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (38 of 89 remaining) [2023-08-29 02:01:06,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (37 of 89 remaining) [2023-08-29 02:01:06,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (36 of 89 remaining) [2023-08-29 02:01:06,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (35 of 89 remaining) [2023-08-29 02:01:06,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (34 of 89 remaining) [2023-08-29 02:01:06,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (33 of 89 remaining) [2023-08-29 02:01:06,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (32 of 89 remaining) [2023-08-29 02:01:06,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (31 of 89 remaining) [2023-08-29 02:01:06,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (30 of 89 remaining) [2023-08-29 02:01:06,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (29 of 89 remaining) [2023-08-29 02:01:06,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (28 of 89 remaining) [2023-08-29 02:01:06,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (27 of 89 remaining) [2023-08-29 02:01:06,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (26 of 89 remaining) [2023-08-29 02:01:06,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (25 of 89 remaining) [2023-08-29 02:01:06,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (24 of 89 remaining) [2023-08-29 02:01:06,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (23 of 89 remaining) [2023-08-29 02:01:06,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (22 of 89 remaining) [2023-08-29 02:01:06,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (21 of 89 remaining) [2023-08-29 02:01:06,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (20 of 89 remaining) [2023-08-29 02:01:06,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (19 of 89 remaining) [2023-08-29 02:01:06,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (18 of 89 remaining) [2023-08-29 02:01:06,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (17 of 89 remaining) [2023-08-29 02:01:06,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (16 of 89 remaining) [2023-08-29 02:01:06,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (15 of 89 remaining) [2023-08-29 02:01:06,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (14 of 89 remaining) [2023-08-29 02:01:06,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (13 of 89 remaining) [2023-08-29 02:01:06,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (12 of 89 remaining) [2023-08-29 02:01:06,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (11 of 89 remaining) [2023-08-29 02:01:06,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (10 of 89 remaining) [2023-08-29 02:01:06,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 89 remaining) [2023-08-29 02:01:06,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 89 remaining) [2023-08-29 02:01:06,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (7 of 89 remaining) [2023-08-29 02:01:06,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (6 of 89 remaining) [2023-08-29 02:01:06,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (5 of 89 remaining) [2023-08-29 02:01:06,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (4 of 89 remaining) [2023-08-29 02:01:06,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (3 of 89 remaining) [2023-08-29 02:01:06,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE (2 of 89 remaining) [2023-08-29 02:01:06,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (1 of 89 remaining) [2023-08-29 02:01:06,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr2ASSERT_VIOLATIONDATA_RACE (0 of 89 remaining) [2023-08-29 02:01:06,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 02:01:06,022 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:01:06,028 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:01:06,028 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:01:06,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:01:06 BasicIcfg [2023-08-29 02:01:06,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:01:06,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:01:06,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:01:06,033 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:01:06,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:49:22" (3/4) ... [2023-08-29 02:01:06,035 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:01:06,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 02:01:06,040 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 02:01:06,066 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 02:01:06,068 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 02:01:06,069 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 02:01:06,070 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:01:06,180 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:01:06,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:01:06,181 INFO L158 Benchmark]: Toolchain (without parser) took 709786.90ms. Allocated memory was 67.1MB in the beginning and 5.5GB in the end (delta: 5.4GB). Free memory was 33.6MB in the beginning and 4.3GB in the end (delta: -4.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-08-29 02:01:06,181 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:01:06,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4637.08ms. Allocated memory was 67.1MB in the beginning and 161.5MB in the end (delta: 94.4MB). Free memory was 33.4MB in the beginning and 80.8MB in the end (delta: -47.4MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2023-08-29 02:01:06,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.89ms. Allocated memory is still 161.5MB. Free memory was 80.8MB in the beginning and 63.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 02:01:06,182 INFO L158 Benchmark]: Boogie Preprocessor took 111.05ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 56.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 02:01:06,182 INFO L158 Benchmark]: RCFGBuilder took 1480.79ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 117.1MB in the end (delta: -60.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-08-29 02:01:06,182 INFO L158 Benchmark]: TraceAbstraction took 703189.15ms. Allocated memory was 201.3MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 116.0MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-08-29 02:01:06,183 INFO L158 Benchmark]: Witness Printer took 147.28ms. Allocated memory is still 5.5GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 02:01:06,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4637.08ms. Allocated memory was 67.1MB in the beginning and 161.5MB in the end (delta: 94.4MB). Free memory was 33.4MB in the beginning and 80.8MB in the end (delta: -47.4MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.89ms. Allocated memory is still 161.5MB. Free memory was 80.8MB in the beginning and 63.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.05ms. Allocated memory is still 161.5MB. Free memory was 63.7MB in the beginning and 56.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1480.79ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 56.5MB in the beginning and 117.1MB in the end (delta: -60.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * TraceAbstraction took 703189.15ms. Allocated memory was 201.3MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 116.0MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Witness Printer took 147.28ms. Allocated memory is still 5.5GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 623.0s, 989 PlacesBefore, 140 PlacesAfterwards, 1025 TransitionsBefore, 154 TransitionsAfterwards, 10176 CoEnabledTransitionPairs, 14 FixpointIterations, 1109 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 52 TrivialYvCompositions, 10 ConcurrentYvCompositions, 22 ChoiceCompositions, 1289 TotalNumberOfCompositions, 41888 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10784, independent: 9614, independent conditional: 0, independent unconditional: 9614, dependent: 1170, dependent conditional: 0, dependent unconditional: 1170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5141, independent: 5074, independent conditional: 0, independent unconditional: 5074, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10784, independent: 4540, independent conditional: 0, independent unconditional: 4540, dependent: 1103, dependent conditional: 0, dependent unconditional: 1103, unknown: 5141, unknown conditional: 0, unknown unconditional: 5141] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 186, Positive conditional cache size: 0, Positive unconditional cache size: 186, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7012]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1663]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6883]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6884]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7022]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6864]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7042]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7043]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7044]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7045]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7046]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7047]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7048]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7049]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7050]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7051]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7052]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7053]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7054]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7055]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7056]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7057]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7058]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7059]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7060]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7061]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7062]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7063]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7064]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7065]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6913]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6790]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7070]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7071]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6968]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6797]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6803]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6589]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6948]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6951]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6966]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6902]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6901]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1109 locations, 89 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 703.0s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 59.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 623.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10151 SdHoareTripleChecker+Valid, 34.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7486 mSDsluCounter, 7056 SdHoareTripleChecker+Invalid, 31.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6535 mSDsCounter, 2232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27051 IncrementalHoareTripleChecker+Invalid, 29283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2232 mSolverCounterUnsat, 521 mSDtfsCounter, 27051 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7732occurred in iteration=16, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 3496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 79 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:01:06,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE