./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_configure.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.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 b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:15:10,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:15:10,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:15:10,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:15:10,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:15:10,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:15:10,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:15:10,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:15:10,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:15:10,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:15:10,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:15:10,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:15:10,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:15:10,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:15:10,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:15:10,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:15:10,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:15:10,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:15:10,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:15:10,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:15:10,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:15:10,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:15:10,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:15:10,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:15:10,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:15:10,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:15:10,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:15:10,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:15:10,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:15:10,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:15:10,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:15:10,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:15:10,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:15:10,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:15:10,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:15:10,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:15:10,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:15:10,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:15:10,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:15:10,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:15:10,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:15:10,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:15:10,248 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:15:10,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:15:10,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:15:10,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:15:10,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:15:10,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:15:10,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:15:10,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:15:10,251 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:15:10,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:15:10,252 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:15:10,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:15:10,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:15:10,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:15:10,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:15:10,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:15:10,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:15:10,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:15:10,254 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:15:10,254 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:15:10,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:15:10,254 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:15:10,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:15:10,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:15:10,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:15:10,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:15:10,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:15:10,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:15:10,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:15:10,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:15:10,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:15:10,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:15:10,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:15:10,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:15:10,258 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:15:10,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:15:10,258 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:15:10,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:15:10,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:15:10,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:15:10,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:15:10,599 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:15:10,600 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:15:10,601 INFO L432 ainManager$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_configure.i [2023-08-29 17:15:11,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:15:12,270 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:15:12,271 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2023-08-29 17:15:12,315 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5e6e621/44eb808d90554f4eb10cb24e4538c3c4/FLAG783322c66 [2023-08-29 17:15:12,336 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c5e6e621/44eb808d90554f4eb10cb24e4538c3c4 [2023-08-29 17:15:12,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:15:12,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:15:12,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:15:12,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:15:12,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:15:12,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:15:12" (1/1) ... [2023-08-29 17:15:12,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230ea54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:12, skipping insertion in model container [2023-08-29 17:15:12,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:15:12" (1/1) ... [2023-08-29 17:15:12,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:15:12,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:15:12,764 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_configure.i[5469,5482] [2023-08-29 17:15:15,178 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:15:15,687 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:15:15,687 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:15:15,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:15:15,774 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:15:15,788 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_configure.i[5469,5482] [2023-08-29 17:15:16,041 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:15:16,142 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:15:16,143 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:15:16,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:15:16,589 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:15:16,589 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:15:16,590 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:15:16,590 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:15:16,590 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:15:16,590 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:15:16,590 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:15:16,596 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:15:16,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16 WrapperNode [2023-08-29 17:15:16,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:15:16,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:15:16,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:15:16,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:15:16,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,798 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 70, statements flattened = 1057 [2023-08-29 17:15:16,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:15:16,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:15:16,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:15:16,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:15:16,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,893 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:15:16,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:15:16,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:15:16,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:15:16,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (1/1) ... [2023-08-29 17:15:16,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:15:16,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:15:16,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 17:15:16,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 17:15:16,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:15:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:15:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:15:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:15:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:15:16,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:15:16,978 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:15:16,979 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:15:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 17:15:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:15:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:15:16,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:15:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 17:15:16,980 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 17:15:16,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 17:15:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:15:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 17:15:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 17:15:16,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:15:16,983 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 17:15:17,429 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:15:17,437 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:15:18,352 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:15:18,399 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:15:18,400 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-29 17:15:18,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:15:18 BoogieIcfgContainer [2023-08-29 17:15:18,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:15:18,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:15:18,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:15:18,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:15:18,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:15:12" (1/3) ... [2023-08-29 17:15:18,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244c4fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:15:18, skipping insertion in model container [2023-08-29 17:15:18,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:15:16" (2/3) ... [2023-08-29 17:15:18,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244c4fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:15:18, skipping insertion in model container [2023-08-29 17:15:18,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:15:18" (3/3) ... [2023-08-29 17:15:18,409 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2023-08-29 17:15:18,415 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:15:18,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:15:18,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 94 error locations. [2023-08-29 17:15:18,422 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:15:18,628 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:15:18,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1160 places, 1202 transitions, 2420 flow [2023-08-29 17:15:19,158 INFO L130 PetriNetUnfolder]: 49/1200 cut-off events. [2023-08-29 17:15:19,159 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:15:19,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 1200 events. 49/1200 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1995 event pairs, 0 based on Foata normal form. 0/1057 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 17:15:19,169 INFO L82 GeneralOperation]: Start removeDead. Operand has 1160 places, 1202 transitions, 2420 flow [2023-08-29 17:15:19,180 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1150 places, 1192 transitions, 2393 flow [2023-08-29 17:15:19,182 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:15:19,189 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1150 places, 1192 transitions, 2393 flow [2023-08-29 17:15:19,192 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1150 places, 1192 transitions, 2393 flow [2023-08-29 17:15:19,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1150 places, 1192 transitions, 2393 flow [2023-08-29 17:15:19,434 INFO L130 PetriNetUnfolder]: 49/1192 cut-off events. [2023-08-29 17:15:19,435 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:15:19,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 1192 events. 49/1192 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1850 event pairs, 0 based on Foata normal form. 0/1049 useless extension candidates. Maximal degree in co-relation 966. Up to 9 conditions per place. [2023-08-29 17:15:19,461 INFO L119 LiptonReduction]: Number of co-enabled transitions 41572 [2023-08-29 17:17:18,485 WARN L222 SmtUtils]: Spent 8.78s on a formula simplification that was a NOOP. DAG size: 531 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:17:26,069 WARN L222 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 479 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:17:42,595 WARN L222 SmtUtils]: Spent 16.52s on a formula simplification that was a NOOP. DAG size: 531 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:17:55,191 WARN L222 SmtUtils]: Spent 12.59s on a formula simplification that was a NOOP. DAG size: 479 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:18:02,488 WARN L222 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 290 DAG size of output: 283 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:18:12,712 WARN L222 SmtUtils]: Spent 7.79s on a formula simplification. DAG size of input: 313 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:20:28,900 WARN L222 SmtUtils]: Spent 2.01m on a formula simplification. DAG size of input: 625 DAG size of output: 623 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:21:11,170 WARN L222 SmtUtils]: Spent 42.26s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:23:51,030 WARN L222 SmtUtils]: Spent 2.66m on a formula simplification. DAG size of input: 628 DAG size of output: 626 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:24:28,106 WARN L222 SmtUtils]: Spent 37.07s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:24:28,137 INFO L134 LiptonReduction]: Checked pairs total: 82963 [2023-08-29 17:24:28,137 INFO L136 LiptonReduction]: Total number of compositions: 1503 [2023-08-29 17:24:28,150 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:24:28,154 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;@3c424102, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:24:28,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2023-08-29 17:24:28,156 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:24:28,156 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:24:28,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:28,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:24:28,157 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:28,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:28,161 INFO L85 PathProgramCache]: Analyzing trace with hash 4487, now seen corresponding path program 1 times [2023-08-29 17:24:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:28,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347101306] [2023-08-29 17:24:28,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:28,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:28,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347101306] [2023-08-29 17:24:28,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347101306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:28,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:28,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:24:28,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358438700] [2023-08-29 17:24:28,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:28,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:24:28,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:28,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:24:28,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:24:28,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1167 out of 2705 [2023-08-29 17:24:28,368 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 165 transitions, 339 flow. Second operand has 2 states, 2 states have (on average 1167.5) internal successors, (2335), 2 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:28,368 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:28,368 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1167 of 2705 [2023-08-29 17:24:28,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:28,725 INFO L130 PetriNetUnfolder]: 71/296 cut-off events. [2023-08-29 17:24:28,725 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 17:24:28,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 296 events. 71/296 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1228 event pairs, 60 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 365. Up to 148 conditions per place. [2023-08-29 17:24:28,728 INFO L137 encePairwiseOnDemand]: 2609/2705 looper letters, 39 selfloop transitions, 0 changer transitions 0/69 dead transitions. [2023-08-29 17:24:28,728 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 69 transitions, 225 flow [2023-08-29 17:24:28,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:24:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:24:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2469 transitions. [2023-08-29 17:24:28,751 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45637707948243994 [2023-08-29 17:24:28,756 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2469 transitions. [2023-08-29 17:24:28,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2469 transitions. [2023-08-29 17:24:28,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:28,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2469 transitions. [2023-08-29 17:24:28,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1234.5) internal successors, (2469), 2 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:28,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2705.0) internal successors, (8115), 3 states have internal predecessors, (8115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:28,788 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2705.0) internal successors, (8115), 3 states have internal predecessors, (8115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:28,790 INFO L175 Difference]: Start difference. First operand has 152 places, 165 transitions, 339 flow. Second operand 2 states and 2469 transitions. [2023-08-29 17:24:28,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 69 transitions, 225 flow [2023-08-29 17:24:28,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 69 transitions, 220 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:24:28,796 INFO L231 Difference]: Finished difference. Result has 63 places, 69 transitions, 142 flow [2023-08-29 17:24:28,797 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=142, PETRI_PLACES=63, PETRI_TRANSITIONS=69} [2023-08-29 17:24:28,800 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -89 predicate places. [2023-08-29 17:24:28,800 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 69 transitions, 142 flow [2023-08-29 17:24:28,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1167.5) internal successors, (2335), 2 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:28,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:28,802 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:24:28,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:24:28,803 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 117 more)] === [2023-08-29 17:24:28,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:28,803 INFO L85 PathProgramCache]: Analyzing trace with hash 4497299, now seen corresponding path program 1 times [2023-08-29 17:24:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:28,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031763563] [2023-08-29 17:24:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:29,231 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 17:24:29,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:29,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031763563] [2023-08-29 17:24:29,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031763563] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:29,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:29,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:24:29,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342428859] [2023-08-29 17:24:29,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:29,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:24:29,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:29,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:24:29,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:24:29,265 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1148 out of 2705 [2023-08-29 17:24:29,269 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 69 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 1149.0) internal successors, (3447), 3 states have internal predecessors, (3447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:29,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:29,269 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1148 of 2705 [2023-08-29 17:24:29,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:29,671 INFO L130 PetriNetUnfolder]: 71/294 cut-off events. [2023-08-29 17:24:29,671 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:24:29,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 294 events. 71/294 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1215 event pairs, 60 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 456. Up to 145 conditions per place. [2023-08-29 17:24:29,673 INFO L137 encePairwiseOnDemand]: 2700/2705 looper letters, 36 selfloop transitions, 3 changer transitions 0/67 dead transitions. [2023-08-29 17:24:29,673 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 216 flow [2023-08-29 17:24:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:24:29,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:24:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3485 transitions. [2023-08-29 17:24:29,681 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42945163277880466 [2023-08-29 17:24:29,681 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3485 transitions. [2023-08-29 17:24:29,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3485 transitions. [2023-08-29 17:24:29,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:29,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3485 transitions. [2023-08-29 17:24:29,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1161.6666666666667) internal successors, (3485), 3 states have internal predecessors, (3485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:29,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:29,728 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:29,728 INFO L175 Difference]: Start difference. First operand has 63 places, 69 transitions, 142 flow. Second operand 3 states and 3485 transitions. [2023-08-29 17:24:29,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 216 flow [2023-08-29 17:24:29,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 216 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:24:29,730 INFO L231 Difference]: Finished difference. Result has 63 places, 67 transitions, 144 flow [2023-08-29 17:24:29,731 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=63, PETRI_TRANSITIONS=67} [2023-08-29 17:24:29,731 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -89 predicate places. [2023-08-29 17:24:29,732 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 67 transitions, 144 flow [2023-08-29 17:24:29,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1149.0) internal successors, (3447), 3 states have internal predecessors, (3447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:29,734 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:29,734 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:29,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:24:29,734 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:29,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:29,735 INFO L85 PathProgramCache]: Analyzing trace with hash 206405681, now seen corresponding path program 1 times [2023-08-29 17:24:29,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:29,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098417908] [2023-08-29 17:24:29,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:29,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:30,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:30,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098417908] [2023-08-29 17:24:30,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098417908] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:30,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:30,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:24:30,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677901736] [2023-08-29 17:24:30,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:30,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:24:30,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:30,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:24:30,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:24:30,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1163 out of 2705 [2023-08-29 17:24:30,031 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 67 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 1164.3333333333333) internal successors, (3493), 3 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:30,031 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:30,031 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1163 of 2705 [2023-08-29 17:24:30,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:30,372 INFO L130 PetriNetUnfolder]: 69/291 cut-off events. [2023-08-29 17:24:30,372 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:24:30,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 291 events. 69/291 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1198 event pairs, 60 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 452. Up to 144 conditions per place. [2023-08-29 17:24:30,374 INFO L137 encePairwiseOnDemand]: 2702/2705 looper letters, 35 selfloop transitions, 1 changer transitions 0/64 dead transitions. [2023-08-29 17:24:30,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 64 transitions, 208 flow [2023-08-29 17:24:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:24:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:24:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3527 transitions. [2023-08-29 17:24:30,383 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4346272335181762 [2023-08-29 17:24:30,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3527 transitions. [2023-08-29 17:24:30,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3527 transitions. [2023-08-29 17:24:30,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:30,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3527 transitions. [2023-08-29 17:24:30,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1175.6666666666667) internal successors, (3527), 3 states have internal predecessors, (3527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:30,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:30,405 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2705.0) internal successors, (10820), 4 states have internal predecessors, (10820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:30,406 INFO L175 Difference]: Start difference. First operand has 63 places, 67 transitions, 144 flow. Second operand 3 states and 3527 transitions. [2023-08-29 17:24:30,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 64 transitions, 208 flow [2023-08-29 17:24:30,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 64 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:24:30,408 INFO L231 Difference]: Finished difference. Result has 63 places, 64 transitions, 136 flow [2023-08-29 17:24:30,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=63, PETRI_TRANSITIONS=64} [2023-08-29 17:24:30,409 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -89 predicate places. [2023-08-29 17:24:30,409 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 64 transitions, 136 flow [2023-08-29 17:24:30,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1164.3333333333333) internal successors, (3493), 3 states have internal predecessors, (3493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:30,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:30,411 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:30,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:24:30,411 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:30,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:30,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1184595759, now seen corresponding path program 1 times [2023-08-29 17:24:30,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:30,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597287493] [2023-08-29 17:24:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:31,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:31,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597287493] [2023-08-29 17:24:31,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597287493] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:31,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:31,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:24:31,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829661685] [2023-08-29 17:24:31,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:31,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:24:31,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:31,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:24:31,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:24:31,869 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1144 out of 2705 [2023-08-29 17:24:31,875 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 64 transitions, 136 flow. Second operand has 6 states, 6 states have (on average 1145.6666666666667) internal successors, (6874), 6 states have internal predecessors, (6874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:31,876 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:31,876 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1144 of 2705 [2023-08-29 17:24:31,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:33,278 INFO L130 PetriNetUnfolder]: 169/518 cut-off events. [2023-08-29 17:24:33,278 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:24:33,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 518 events. 169/518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2530 event pairs, 92 based on Foata normal form. 0/484 useless extension candidates. Maximal degree in co-relation 888. Up to 255 conditions per place. [2023-08-29 17:24:33,281 INFO L137 encePairwiseOnDemand]: 2696/2705 looper letters, 57 selfloop transitions, 14 changer transitions 0/90 dead transitions. [2023-08-29 17:24:33,281 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 90 transitions, 338 flow [2023-08-29 17:24:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:24:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:24:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6936 transitions. [2023-08-29 17:24:33,297 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42735674676524954 [2023-08-29 17:24:33,297 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6936 transitions. [2023-08-29 17:24:33,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6936 transitions. [2023-08-29 17:24:33,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:33,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6936 transitions. [2023-08-29 17:24:33,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1156.0) internal successors, (6936), 6 states have internal predecessors, (6936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:33,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:33,334 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:33,334 INFO L175 Difference]: Start difference. First operand has 63 places, 64 transitions, 136 flow. Second operand 6 states and 6936 transitions. [2023-08-29 17:24:33,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 90 transitions, 338 flow [2023-08-29 17:24:33,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 90 transitions, 337 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:24:33,337 INFO L231 Difference]: Finished difference. Result has 72 places, 77 transitions, 233 flow [2023-08-29 17:24:33,337 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=233, PETRI_PLACES=72, PETRI_TRANSITIONS=77} [2023-08-29 17:24:33,337 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -80 predicate places. [2023-08-29 17:24:33,338 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 77 transitions, 233 flow [2023-08-29 17:24:33,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1145.6666666666667) internal successors, (6874), 6 states have internal predecessors, (6874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:33,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:33,339 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:33,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:24:33,340 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:33,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:33,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1848384416, now seen corresponding path program 1 times [2023-08-29 17:24:33,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:33,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562167747] [2023-08-29 17:24:33,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:33,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:34,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:34,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562167747] [2023-08-29 17:24:34,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562167747] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:34,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:34,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:24:34,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767745865] [2023-08-29 17:24:34,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:34,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:24:34,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:34,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:24:34,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:24:34,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1143 out of 2705 [2023-08-29 17:24:34,543 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 77 transitions, 233 flow. Second operand has 6 states, 6 states have (on average 1145.0) internal successors, (6870), 6 states have internal predecessors, (6870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:34,544 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:34,544 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1143 of 2705 [2023-08-29 17:24:34,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:36,184 INFO L130 PetriNetUnfolder]: 854/1733 cut-off events. [2023-08-29 17:24:36,184 INFO L131 PetriNetUnfolder]: For 788/816 co-relation queries the response was YES. [2023-08-29 17:24:36,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4060 conditions, 1733 events. 854/1733 cut-off events. For 788/816 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 9528 event pairs, 231 based on Foata normal form. 10/1665 useless extension candidates. Maximal degree in co-relation 4052. Up to 1043 conditions per place. [2023-08-29 17:24:36,196 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 85 selfloop transitions, 65 changer transitions 0/171 dead transitions. [2023-08-29 17:24:36,196 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 171 transitions, 914 flow [2023-08-29 17:24:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:24:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:24:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6959 transitions. [2023-08-29 17:24:36,249 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4287738755391251 [2023-08-29 17:24:36,250 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6959 transitions. [2023-08-29 17:24:36,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6959 transitions. [2023-08-29 17:24:36,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:36,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6959 transitions. [2023-08-29 17:24:36,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1159.8333333333333) internal successors, (6959), 6 states have internal predecessors, (6959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:36,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:36,292 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:36,293 INFO L175 Difference]: Start difference. First operand has 72 places, 77 transitions, 233 flow. Second operand 6 states and 6959 transitions. [2023-08-29 17:24:36,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 171 transitions, 914 flow [2023-08-29 17:24:36,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 171 transitions, 914 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:24:36,301 INFO L231 Difference]: Finished difference. Result has 82 places, 141 transitions, 829 flow [2023-08-29 17:24:36,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=829, PETRI_PLACES=82, PETRI_TRANSITIONS=141} [2023-08-29 17:24:36,303 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -70 predicate places. [2023-08-29 17:24:36,303 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 141 transitions, 829 flow [2023-08-29 17:24:36,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1145.0) internal successors, (6870), 6 states have internal predecessors, (6870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:36,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:36,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:36,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:24:36,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:36,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:36,306 INFO L85 PathProgramCache]: Analyzing trace with hash 719478758, now seen corresponding path program 1 times [2023-08-29 17:24:36,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:36,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013559223] [2023-08-29 17:24:36,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:36,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:38,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:38,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013559223] [2023-08-29 17:24:38,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013559223] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:38,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:38,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:24:38,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195380421] [2023-08-29 17:24:38,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:38,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:24:38,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:38,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:24:38,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:24:39,196 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1141 out of 2705 [2023-08-29 17:24:39,202 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 141 transitions, 829 flow. Second operand has 9 states, 9 states have (on average 1142.4444444444443) internal successors, (10282), 9 states have internal predecessors, (10282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:39,202 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:39,202 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1141 of 2705 [2023-08-29 17:24:39,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:41,654 INFO L130 PetriNetUnfolder]: 640/1410 cut-off events. [2023-08-29 17:24:41,655 INFO L131 PetriNetUnfolder]: For 2091/2230 co-relation queries the response was YES. [2023-08-29 17:24:41,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4459 conditions, 1410 events. 640/1410 cut-off events. For 2091/2230 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 8064 event pairs, 16 based on Foata normal form. 120/1496 useless extension candidates. Maximal degree in co-relation 4446. Up to 569 conditions per place. [2023-08-29 17:24:41,665 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 143 selfloop transitions, 19 changer transitions 0/185 dead transitions. [2023-08-29 17:24:41,665 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 185 transitions, 1417 flow [2023-08-29 17:24:41,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:24:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:24:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9198 transitions. [2023-08-29 17:24:41,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4250462107208872 [2023-08-29 17:24:41,684 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9198 transitions. [2023-08-29 17:24:41,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9198 transitions. [2023-08-29 17:24:41,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:41,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9198 transitions. [2023-08-29 17:24:41,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1149.75) internal successors, (9198), 8 states have internal predecessors, (9198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:41,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:41,724 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:41,725 INFO L175 Difference]: Start difference. First operand has 82 places, 141 transitions, 829 flow. Second operand 8 states and 9198 transitions. [2023-08-29 17:24:41,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 185 transitions, 1417 flow [2023-08-29 17:24:41,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 185 transitions, 1417 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:24:41,735 INFO L231 Difference]: Finished difference. Result has 88 places, 140 transitions, 863 flow [2023-08-29 17:24:41,735 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=863, PETRI_PLACES=88, PETRI_TRANSITIONS=140} [2023-08-29 17:24:41,738 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -64 predicate places. [2023-08-29 17:24:41,738 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 140 transitions, 863 flow [2023-08-29 17:24:41,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1142.4444444444443) internal successors, (10282), 9 states have internal predecessors, (10282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:41,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:41,741 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:41,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:24:41,741 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:41,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:41,741 INFO L85 PathProgramCache]: Analyzing trace with hash 773040963, now seen corresponding path program 1 times [2023-08-29 17:24:41,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:41,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822804975] [2023-08-29 17:24:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:41,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:43,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:43,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822804975] [2023-08-29 17:24:43,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822804975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:43,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:43,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:24:43,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827867370] [2023-08-29 17:24:43,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:43,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:24:43,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:43,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:24:43,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:24:43,840 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 2705 [2023-08-29 17:24:43,846 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 140 transitions, 863 flow. Second operand has 9 states, 9 states have (on average 1143.4444444444443) internal successors, (10291), 9 states have internal predecessors, (10291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:43,846 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:43,846 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 2705 [2023-08-29 17:24:43,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:45,293 INFO L130 PetriNetUnfolder]: 909/1824 cut-off events. [2023-08-29 17:24:45,293 INFO L131 PetriNetUnfolder]: For 2138/2169 co-relation queries the response was YES. [2023-08-29 17:24:45,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6048 conditions, 1824 events. 909/1824 cut-off events. For 2138/2169 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 10009 event pairs, 212 based on Foata normal form. 53/1838 useless extension candidates. Maximal degree in co-relation 6034. Up to 662 conditions per place. [2023-08-29 17:24:45,305 INFO L137 encePairwiseOnDemand]: 2692/2705 looper letters, 143 selfloop transitions, 51 changer transitions 0/214 dead transitions. [2023-08-29 17:24:45,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 214 transitions, 1634 flow [2023-08-29 17:24:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:24:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:24:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9237 transitions. [2023-08-29 17:24:45,320 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42684842883548985 [2023-08-29 17:24:45,321 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9237 transitions. [2023-08-29 17:24:45,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9237 transitions. [2023-08-29 17:24:45,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:45,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9237 transitions. [2023-08-29 17:24:45,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1154.625) internal successors, (9237), 8 states have internal predecessors, (9237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:45,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:45,351 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:45,352 INFO L175 Difference]: Start difference. First operand has 88 places, 140 transitions, 863 flow. Second operand 8 states and 9237 transitions. [2023-08-29 17:24:45,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 214 transitions, 1634 flow [2023-08-29 17:24:45,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 214 transitions, 1572 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 17:24:45,360 INFO L231 Difference]: Finished difference. Result has 93 places, 164 transitions, 1167 flow [2023-08-29 17:24:45,361 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1167, PETRI_PLACES=93, PETRI_TRANSITIONS=164} [2023-08-29 17:24:45,361 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -59 predicate places. [2023-08-29 17:24:45,361 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 164 transitions, 1167 flow [2023-08-29 17:24:45,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1143.4444444444443) internal successors, (10291), 9 states have internal predecessors, (10291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:45,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:45,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:45,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:24:45,364 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:45,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:45,364 INFO L85 PathProgramCache]: Analyzing trace with hash -554557697, now seen corresponding path program 1 times [2023-08-29 17:24:45,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:45,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105499505] [2023-08-29 17:24:45,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:45,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:46,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:46,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105499505] [2023-08-29 17:24:46,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105499505] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:46,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:46,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:24:46,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192388063] [2023-08-29 17:24:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:46,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:24:46,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:46,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:24:46,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:24:46,350 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1109 out of 2705 [2023-08-29 17:24:46,354 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 164 transitions, 1167 flow. Second operand has 6 states, 6 states have (on average 1111.6666666666667) internal successors, (6670), 6 states have internal predecessors, (6670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:46,354 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:46,354 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1109 of 2705 [2023-08-29 17:24:46,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:48,440 INFO L130 PetriNetUnfolder]: 1411/2597 cut-off events. [2023-08-29 17:24:48,440 INFO L131 PetriNetUnfolder]: For 5685/5713 co-relation queries the response was YES. [2023-08-29 17:24:48,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10182 conditions, 2597 events. 1411/2597 cut-off events. For 5685/5713 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 13614 event pairs, 549 based on Foata normal form. 0/2520 useless extension candidates. Maximal degree in co-relation 10163. Up to 2250 conditions per place. [2023-08-29 17:24:48,459 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 150 selfloop transitions, 57 changer transitions 0/215 dead transitions. [2023-08-29 17:24:48,460 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 215 transitions, 1887 flow [2023-08-29 17:24:48,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:24:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:24:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6752 transitions. [2023-08-29 17:24:48,471 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41601971657424525 [2023-08-29 17:24:48,471 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6752 transitions. [2023-08-29 17:24:48,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6752 transitions. [2023-08-29 17:24:48,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:48,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6752 transitions. [2023-08-29 17:24:48,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1125.3333333333333) internal successors, (6752), 6 states have internal predecessors, (6752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:48,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:48,491 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:48,492 INFO L175 Difference]: Start difference. First operand has 93 places, 164 transitions, 1167 flow. Second operand 6 states and 6752 transitions. [2023-08-29 17:24:48,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 215 transitions, 1887 flow [2023-08-29 17:24:48,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 215 transitions, 1851 flow, removed 16 selfloop flow, removed 2 redundant places. [2023-08-29 17:24:48,514 INFO L231 Difference]: Finished difference. Result has 100 places, 203 transitions, 1614 flow [2023-08-29 17:24:48,514 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=1155, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1614, PETRI_PLACES=100, PETRI_TRANSITIONS=203} [2023-08-29 17:24:48,515 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -52 predicate places. [2023-08-29 17:24:48,516 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 203 transitions, 1614 flow [2023-08-29 17:24:48,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1111.6666666666667) internal successors, (6670), 6 states have internal predecessors, (6670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:48,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:48,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:48,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:24:48,520 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:24:48,520 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:48,520 INFO L85 PathProgramCache]: Analyzing trace with hash -338363414, now seen corresponding path program 1 times [2023-08-29 17:24:48,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:48,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100029696] [2023-08-29 17:24:48,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:50,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:50,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100029696] [2023-08-29 17:24:50,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100029696] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:50,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:50,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:24:50,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823300179] [2023-08-29 17:24:50,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:50,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:24:50,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:50,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:24:50,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:24:50,658 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1106 out of 2705 [2023-08-29 17:24:50,662 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 203 transitions, 1614 flow. Second operand has 9 states, 9 states have (on average 1108.111111111111) internal successors, (9973), 9 states have internal predecessors, (9973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:50,662 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:50,662 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1106 of 2705 [2023-08-29 17:24:50,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:52,431 INFO L130 PetriNetUnfolder]: 1456/2691 cut-off events. [2023-08-29 17:24:52,432 INFO L131 PetriNetUnfolder]: For 7804/7820 co-relation queries the response was YES. [2023-08-29 17:24:52,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11670 conditions, 2691 events. 1456/2691 cut-off events. For 7804/7820 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 14468 event pairs, 187 based on Foata normal form. 4/2614 useless extension candidates. Maximal degree in co-relation 11647. Up to 2119 conditions per place. [2023-08-29 17:24:52,480 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 192 selfloop transitions, 69 changer transitions 0/269 dead transitions. [2023-08-29 17:24:52,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 269 transitions, 2606 flow [2023-08-29 17:24:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:24:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:24:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8955 transitions. [2023-08-29 17:24:52,495 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4138170055452865 [2023-08-29 17:24:52,496 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 8955 transitions. [2023-08-29 17:24:52,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 8955 transitions. [2023-08-29 17:24:52,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:52,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 8955 transitions. [2023-08-29 17:24:52,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1119.375) internal successors, (8955), 8 states have internal predecessors, (8955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:52,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:52,523 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:52,523 INFO L175 Difference]: Start difference. First operand has 100 places, 203 transitions, 1614 flow. Second operand 8 states and 8955 transitions. [2023-08-29 17:24:52,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 269 transitions, 2606 flow [2023-08-29 17:24:52,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 269 transitions, 2511 flow, removed 28 selfloop flow, removed 1 redundant places. [2023-08-29 17:24:52,557 INFO L231 Difference]: Finished difference. Result has 110 places, 230 transitions, 1998 flow [2023-08-29 17:24:52,557 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=1529, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1998, PETRI_PLACES=110, PETRI_TRANSITIONS=230} [2023-08-29 17:24:52,559 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -42 predicate places. [2023-08-29 17:24:52,559 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 230 transitions, 1998 flow [2023-08-29 17:24:52,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1108.111111111111) internal successors, (9973), 9 states have internal predecessors, (9973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:52,560 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:52,560 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:52,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:24:52,561 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 117 more)] === [2023-08-29 17:24:52,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:52,561 INFO L85 PathProgramCache]: Analyzing trace with hash -841912051, now seen corresponding path program 1 times [2023-08-29 17:24:52,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:52,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021486839] [2023-08-29 17:24:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:53,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:53,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021486839] [2023-08-29 17:24:53,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021486839] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:24:53,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:24:53,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:24:53,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409383438] [2023-08-29 17:24:53,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:24:53,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:24:53,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:24:53,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:24:53,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:24:55,082 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 17:24:55,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 230 transitions, 1998 flow. Second operand has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:55,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:24:55,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 17:24:55,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:59,191 INFO L130 PetriNetUnfolder]: 1212/2433 cut-off events. [2023-08-29 17:24:59,191 INFO L131 PetriNetUnfolder]: For 7617/7686 co-relation queries the response was YES. [2023-08-29 17:24:59,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11084 conditions, 2433 events. 1212/2433 cut-off events. For 7617/7686 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 14230 event pairs, 250 based on Foata normal form. 45/2416 useless extension candidates. Maximal degree in co-relation 11057. Up to 1525 conditions per place. [2023-08-29 17:24:59,208 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 165 selfloop transitions, 121 changer transitions 0/306 dead transitions. [2023-08-29 17:24:59,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 306 transitions, 3068 flow [2023-08-29 17:24:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:24:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:24:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10330 transitions. [2023-08-29 17:24:59,229 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42431710823577734 [2023-08-29 17:24:59,229 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10330 transitions. [2023-08-29 17:24:59,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10330 transitions. [2023-08-29 17:24:59,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:59,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10330 transitions. [2023-08-29 17:24:59,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1147.7777777777778) internal successors, (10330), 9 states have internal predecessors, (10330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:59,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:59,258 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:59,259 INFO L175 Difference]: Start difference. First operand has 110 places, 230 transitions, 1998 flow. Second operand 9 states and 10330 transitions. [2023-08-29 17:24:59,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 306 transitions, 3068 flow [2023-08-29 17:24:59,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 306 transitions, 3019 flow, removed 24 selfloop flow, removed 1 redundant places. [2023-08-29 17:24:59,294 INFO L231 Difference]: Finished difference. Result has 120 places, 264 transitions, 2720 flow [2023-08-29 17:24:59,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=1957, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2720, PETRI_PLACES=120, PETRI_TRANSITIONS=264} [2023-08-29 17:24:59,296 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -32 predicate places. [2023-08-29 17:24:59,296 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 264 transitions, 2720 flow [2023-08-29 17:24:59,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:24:59,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:59,298 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:24:59,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:24:59,298 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 117 more)] === [2023-08-29 17:24:59,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:59,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1528798903, now seen corresponding path program 2 times [2023-08-29 17:24:59,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:59,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693616214] [2023-08-29 17:24:59,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:00,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:00,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693616214] [2023-08-29 17:25:00,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693616214] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:00,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:00,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:25:00,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961019410] [2023-08-29 17:25:00,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:00,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:25:00,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:00,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:25:00,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:25:01,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1139 out of 2705 [2023-08-29 17:25:01,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 264 transitions, 2720 flow. Second operand has 10 states, 10 states have (on average 1140.6) internal successors, (11406), 10 states have internal predecessors, (11406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:01,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:01,542 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1139 of 2705 [2023-08-29 17:25:01,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:03,906 INFO L130 PetriNetUnfolder]: 1519/3129 cut-off events. [2023-08-29 17:25:03,906 INFO L131 PetriNetUnfolder]: For 13498/13595 co-relation queries the response was YES. [2023-08-29 17:25:03,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15538 conditions, 3129 events. 1519/3129 cut-off events. For 13498/13595 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 19692 event pairs, 68 based on Foata normal form. 80/3171 useless extension candidates. Maximal degree in co-relation 15508. Up to 1646 conditions per place. [2023-08-29 17:25:03,923 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 292 selfloop transitions, 157 changer transitions 0/469 dead transitions. [2023-08-29 17:25:03,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 469 transitions, 5655 flow [2023-08-29 17:25:03,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:25:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:25:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11500 transitions. [2023-08-29 17:25:03,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42513863216266173 [2023-08-29 17:25:03,931 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11500 transitions. [2023-08-29 17:25:03,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11500 transitions. [2023-08-29 17:25:03,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:03,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11500 transitions. [2023-08-29 17:25:03,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1150.0) internal successors, (11500), 10 states have internal predecessors, (11500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:03,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:03,970 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:03,970 INFO L175 Difference]: Start difference. First operand has 120 places, 264 transitions, 2720 flow. Second operand 10 states and 11500 transitions. [2023-08-29 17:25:03,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 469 transitions, 5655 flow [2023-08-29 17:25:04,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 469 transitions, 5542 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 17:25:04,033 INFO L231 Difference]: Finished difference. Result has 130 places, 391 transitions, 4787 flow [2023-08-29 17:25:04,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=2656, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4787, PETRI_PLACES=130, PETRI_TRANSITIONS=391} [2023-08-29 17:25:04,034 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -22 predicate places. [2023-08-29 17:25:04,034 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 391 transitions, 4787 flow [2023-08-29 17:25:04,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1140.6) internal successors, (11406), 10 states have internal predecessors, (11406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:04,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:04,036 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:25:04,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:25:04,036 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:04,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:04,037 INFO L85 PathProgramCache]: Analyzing trace with hash -923778605, now seen corresponding path program 3 times [2023-08-29 17:25:04,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:04,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350579532] [2023-08-29 17:25:04,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:04,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:05,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:05,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350579532] [2023-08-29 17:25:05,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350579532] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:05,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:05,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:25:05,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329212657] [2023-08-29 17:25:05,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:05,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:25:05,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:05,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:25:05,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:25:07,101 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 17:25:07,104 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 391 transitions, 4787 flow. Second operand has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:07,104 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:07,105 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 17:25:07,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:10,083 INFO L130 PetriNetUnfolder]: 1695/3565 cut-off events. [2023-08-29 17:25:10,083 INFO L131 PetriNetUnfolder]: For 23229/23431 co-relation queries the response was YES. [2023-08-29 17:25:10,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19911 conditions, 3565 events. 1695/3565 cut-off events. For 23229/23431 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 23525 event pairs, 141 based on Foata normal form. 118/3619 useless extension candidates. Maximal degree in co-relation 19875. Up to 2054 conditions per place. [2023-08-29 17:25:10,115 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 244 selfloop transitions, 264 changer transitions 0/528 dead transitions. [2023-08-29 17:25:10,116 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 528 transitions, 7268 flow [2023-08-29 17:25:10,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:25:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:25:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11477 transitions. [2023-08-29 17:25:10,126 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42428835489833644 [2023-08-29 17:25:10,126 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11477 transitions. [2023-08-29 17:25:10,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11477 transitions. [2023-08-29 17:25:10,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:10,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11477 transitions. [2023-08-29 17:25:10,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1147.7) internal successors, (11477), 10 states have internal predecessors, (11477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:10,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:10,156 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:10,157 INFO L175 Difference]: Start difference. First operand has 130 places, 391 transitions, 4787 flow. Second operand 10 states and 11477 transitions. [2023-08-29 17:25:10,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 528 transitions, 7268 flow [2023-08-29 17:25:10,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 528 transitions, 7192 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-08-29 17:25:10,257 INFO L231 Difference]: Finished difference. Result has 142 places, 475 transitions, 6955 flow [2023-08-29 17:25:10,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=4711, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6955, PETRI_PLACES=142, PETRI_TRANSITIONS=475} [2023-08-29 17:25:10,258 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -10 predicate places. [2023-08-29 17:25:10,259 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 475 transitions, 6955 flow [2023-08-29 17:25:10,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1136.4545454545455) internal successors, (12501), 11 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:10,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:10,261 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:25:10,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:25:10,261 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:10,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:10,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1803093758, now seen corresponding path program 1 times [2023-08-29 17:25:10,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:10,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958866785] [2023-08-29 17:25:10,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:10,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:11,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:11,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958866785] [2023-08-29 17:25:11,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958866785] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:11,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:11,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-29 17:25:11,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172138537] [2023-08-29 17:25:11,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:11,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:25:11,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:11,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:25:11,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:25:11,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1104 out of 2705 [2023-08-29 17:25:11,748 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 475 transitions, 6955 flow. Second operand has 10 states, 10 states have (on average 1106.0) internal successors, (11060), 10 states have internal predecessors, (11060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:11,749 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:11,749 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1104 of 2705 [2023-08-29 17:25:11,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:14,711 INFO L130 PetriNetUnfolder]: 2407/4580 cut-off events. [2023-08-29 17:25:14,711 INFO L131 PetriNetUnfolder]: For 48934/49171 co-relation queries the response was YES. [2023-08-29 17:25:14,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29166 conditions, 4580 events. 2407/4580 cut-off events. For 48934/49171 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 28318 event pairs, 326 based on Foata normal form. 90/4570 useless extension candidates. Maximal degree in co-relation 29125. Up to 3460 conditions per place. [2023-08-29 17:25:14,746 INFO L137 encePairwiseOnDemand]: 2693/2705 looper letters, 373 selfloop transitions, 256 changer transitions 0/643 dead transitions. [2023-08-29 17:25:14,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 643 transitions, 10600 flow [2023-08-29 17:25:14,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:25:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:25:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10043 transitions. [2023-08-29 17:25:14,756 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41252823988498666 [2023-08-29 17:25:14,756 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10043 transitions. [2023-08-29 17:25:14,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10043 transitions. [2023-08-29 17:25:14,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:14,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10043 transitions. [2023-08-29 17:25:14,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1115.888888888889) internal successors, (10043), 9 states have internal predecessors, (10043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:14,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:14,779 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:14,780 INFO L175 Difference]: Start difference. First operand has 142 places, 475 transitions, 6955 flow. Second operand 9 states and 10043 transitions. [2023-08-29 17:25:14,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 643 transitions, 10600 flow [2023-08-29 17:25:15,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 643 transitions, 10466 flow, removed 39 selfloop flow, removed 3 redundant places. [2023-08-29 17:25:15,047 INFO L231 Difference]: Finished difference. Result has 151 places, 583 transitions, 9421 flow [2023-08-29 17:25:15,048 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=6844, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=475, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9421, PETRI_PLACES=151, PETRI_TRANSITIONS=583} [2023-08-29 17:25:15,048 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -1 predicate places. [2023-08-29 17:25:15,049 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 583 transitions, 9421 flow [2023-08-29 17:25:15,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1106.0) internal successors, (11060), 10 states have internal predecessors, (11060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:15,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:15,050 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:25:15,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:25:15,051 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:15,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:15,051 INFO L85 PathProgramCache]: Analyzing trace with hash -121280365, now seen corresponding path program 4 times [2023-08-29 17:25:15,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:15,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048437365] [2023-08-29 17:25:15,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:15,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:16,631 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 17:25:16,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:16,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048437365] [2023-08-29 17:25:16,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048437365] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:16,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:16,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:25:16,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154309198] [2023-08-29 17:25:16,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:16,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:25:16,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:16,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:25:16,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:25:18,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1136 out of 2705 [2023-08-29 17:25:18,177 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 583 transitions, 9421 flow. Second operand has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:18,177 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:18,177 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1136 of 2705 [2023-08-29 17:25:18,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:21,259 INFO L130 PetriNetUnfolder]: 2104/4383 cut-off events. [2023-08-29 17:25:21,260 INFO L131 PetriNetUnfolder]: For 45599/45841 co-relation queries the response was YES. [2023-08-29 17:25:21,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29747 conditions, 4383 events. 2104/4383 cut-off events. For 45599/45841 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 30135 event pairs, 136 based on Foata normal form. 124/4430 useless extension candidates. Maximal degree in co-relation 29702. Up to 2403 conditions per place. [2023-08-29 17:25:21,293 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 315 selfloop transitions, 483 changer transitions 0/818 dead transitions. [2023-08-29 17:25:21,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 818 transitions, 14742 flow [2023-08-29 17:25:21,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:25:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:25:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11489 transitions. [2023-08-29 17:25:21,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42473197781885397 [2023-08-29 17:25:21,303 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11489 transitions. [2023-08-29 17:25:21,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11489 transitions. [2023-08-29 17:25:21,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:21,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11489 transitions. [2023-08-29 17:25:21,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1148.9) internal successors, (11489), 10 states have internal predecessors, (11489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:21,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:21,331 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:21,331 INFO L175 Difference]: Start difference. First operand has 151 places, 583 transitions, 9421 flow. Second operand 10 states and 11489 transitions. [2023-08-29 17:25:21,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 818 transitions, 14742 flow [2023-08-29 17:25:21,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 818 transitions, 14470 flow, removed 130 selfloop flow, removed 3 redundant places. [2023-08-29 17:25:21,551 INFO L231 Difference]: Finished difference. Result has 163 places, 752 transitions, 14339 flow [2023-08-29 17:25:21,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=9227, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=14339, PETRI_PLACES=163, PETRI_TRANSITIONS=752} [2023-08-29 17:25:21,552 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 11 predicate places. [2023-08-29 17:25:21,552 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 752 transitions, 14339 flow [2023-08-29 17:25:21,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:21,554 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:21,554 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:25:21,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 17:25:21,555 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 117 more)] === [2023-08-29 17:25:21,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:21,555 INFO L85 PathProgramCache]: Analyzing trace with hash -202450773, now seen corresponding path program 5 times [2023-08-29 17:25:21,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:21,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310984947] [2023-08-29 17:25:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:21,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:22,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:22,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310984947] [2023-08-29 17:25:22,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310984947] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:22,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:22,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:25:22,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470567354] [2023-08-29 17:25:22,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:22,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:25:22,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:22,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:25:22,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:25:24,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1136 out of 2705 [2023-08-29 17:25:24,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 752 transitions, 14339 flow. Second operand has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:24,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:24,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1136 of 2705 [2023-08-29 17:25:24,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:28,106 INFO L130 PetriNetUnfolder]: 2250/4764 cut-off events. [2023-08-29 17:25:28,106 INFO L131 PetriNetUnfolder]: For 66129/66388 co-relation queries the response was YES. [2023-08-29 17:25:28,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35371 conditions, 4764 events. 2250/4764 cut-off events. For 66129/66388 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 33851 event pairs, 154 based on Foata normal form. 126/4800 useless extension candidates. Maximal degree in co-relation 35320. Up to 2398 conditions per place. [2023-08-29 17:25:28,144 INFO L137 encePairwiseOnDemand]: 2689/2705 looper letters, 341 selfloop transitions, 603 changer transitions 0/964 dead transitions. [2023-08-29 17:25:28,144 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 964 transitions, 19696 flow [2023-08-29 17:25:28,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:25:28,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:25:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11490 transitions. [2023-08-29 17:25:28,154 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4247689463955638 [2023-08-29 17:25:28,154 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11490 transitions. [2023-08-29 17:25:28,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11490 transitions. [2023-08-29 17:25:28,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:28,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11490 transitions. [2023-08-29 17:25:28,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1149.0) internal successors, (11490), 10 states have internal predecessors, (11490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:28,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:28,180 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:28,180 INFO L175 Difference]: Start difference. First operand has 163 places, 752 transitions, 14339 flow. Second operand 10 states and 11490 transitions. [2023-08-29 17:25:28,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 964 transitions, 19696 flow [2023-08-29 17:25:28,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 964 transitions, 19159 flow, removed 238 selfloop flow, removed 4 redundant places. [2023-08-29 17:25:28,479 INFO L231 Difference]: Finished difference. Result has 175 places, 893 transitions, 19161 flow [2023-08-29 17:25:28,480 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=13934, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=476, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=19161, PETRI_PLACES=175, PETRI_TRANSITIONS=893} [2023-08-29 17:25:28,480 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 23 predicate places. [2023-08-29 17:25:28,480 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 893 transitions, 19161 flow [2023-08-29 17:25:28,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1137.4545454545455) internal successors, (12512), 11 states have internal predecessors, (12512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:28,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:28,481 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] [2023-08-29 17:25:28,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-29 17:25:28,482 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:28,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:28,482 INFO L85 PathProgramCache]: Analyzing trace with hash 132775094, now seen corresponding path program 1 times [2023-08-29 17:25:28,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:28,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736332066] [2023-08-29 17:25:28,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:28,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:29,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:29,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736332066] [2023-08-29 17:25:29,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736332066] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:29,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:29,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 17:25:29,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484282778] [2023-08-29 17:25:29,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:29,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 17:25:29,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:29,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 17:25:29,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-29 17:25:31,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 17:25:31,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 893 transitions, 19161 flow. Second operand has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:31,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:31,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 17:25:31,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:36,321 INFO L130 PetriNetUnfolder]: 2940/6250 cut-off events. [2023-08-29 17:25:36,321 INFO L131 PetriNetUnfolder]: For 98769/99001 co-relation queries the response was YES. [2023-08-29 17:25:36,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48455 conditions, 6250 events. 2940/6250 cut-off events. For 98769/99001 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 47344 event pairs, 158 based on Foata normal form. 135/6281 useless extension candidates. Maximal degree in co-relation 48398. Up to 2565 conditions per place. [2023-08-29 17:25:36,371 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 1006 selfloop transitions, 155 changer transitions 0/1181 dead transitions. [2023-08-29 17:25:36,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 1181 transitions, 25481 flow [2023-08-29 17:25:36,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:25:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:25:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11481 transitions. [2023-08-29 17:25:36,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244362292051756 [2023-08-29 17:25:36,382 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11481 transitions. [2023-08-29 17:25:36,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11481 transitions. [2023-08-29 17:25:36,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:36,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11481 transitions. [2023-08-29 17:25:36,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1148.1) internal successors, (11481), 10 states have internal predecessors, (11481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:36,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:36,411 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:36,411 INFO L175 Difference]: Start difference. First operand has 175 places, 893 transitions, 19161 flow. Second operand 10 states and 11481 transitions. [2023-08-29 17:25:36,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 1181 transitions, 25481 flow [2023-08-29 17:25:36,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 1181 transitions, 25023 flow, removed 227 selfloop flow, removed 2 redundant places. [2023-08-29 17:25:36,857 INFO L231 Difference]: Finished difference. Result has 188 places, 962 transitions, 20651 flow [2023-08-29 17:25:36,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=18779, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=893, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=746, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=20651, PETRI_PLACES=188, PETRI_TRANSITIONS=962} [2023-08-29 17:25:36,858 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 36 predicate places. [2023-08-29 17:25:36,858 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 962 transitions, 20651 flow [2023-08-29 17:25:36,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:36,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:36,860 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] [2023-08-29 17:25:36,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-29 17:25:36,860 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:36,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1713263402, now seen corresponding path program 2 times [2023-08-29 17:25:36,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:36,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068528835] [2023-08-29 17:25:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:36,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:38,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:38,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068528835] [2023-08-29 17:25:38,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068528835] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:38,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:38,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 17:25:38,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291272886] [2023-08-29 17:25:38,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:38,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 17:25:38,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:38,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 17:25:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-08-29 17:25:39,822 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1134 out of 2705 [2023-08-29 17:25:39,826 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 962 transitions, 20651 flow. Second operand has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:39,826 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:39,826 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1134 of 2705 [2023-08-29 17:25:39,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:43,685 INFO L130 PetriNetUnfolder]: 2890/6154 cut-off events. [2023-08-29 17:25:43,685 INFO L131 PetriNetUnfolder]: For 105722/105924 co-relation queries the response was YES. [2023-08-29 17:25:43,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49000 conditions, 6154 events. 2890/6154 cut-off events. For 105722/105924 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 46374 event pairs, 90 based on Foata normal form. 108/6168 useless extension candidates. Maximal degree in co-relation 48937. Up to 2522 conditions per place. [2023-08-29 17:25:43,738 INFO L137 encePairwiseOnDemand]: 2695/2705 looper letters, 1023 selfloop transitions, 81 changer transitions 0/1124 dead transitions. [2023-08-29 17:25:43,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 1124 transitions, 24719 flow [2023-08-29 17:25:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:25:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:25:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11448 transitions. [2023-08-29 17:25:43,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4232162661737523 [2023-08-29 17:25:43,747 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11448 transitions. [2023-08-29 17:25:43,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11448 transitions. [2023-08-29 17:25:43,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:43,749 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11448 transitions. [2023-08-29 17:25:43,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1144.8) internal successors, (11448), 10 states have internal predecessors, (11448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:43,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:43,774 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:43,774 INFO L175 Difference]: Start difference. First operand has 188 places, 962 transitions, 20651 flow. Second operand 10 states and 11448 transitions. [2023-08-29 17:25:43,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 1124 transitions, 24719 flow [2023-08-29 17:25:44,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 1124 transitions, 24631 flow, removed 42 selfloop flow, removed 2 redundant places. [2023-08-29 17:25:44,354 INFO L231 Difference]: Finished difference. Result has 199 places, 983 transitions, 21159 flow [2023-08-29 17:25:44,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=20563, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=962, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=881, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=21159, PETRI_PLACES=199, PETRI_TRANSITIONS=983} [2023-08-29 17:25:44,355 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 47 predicate places. [2023-08-29 17:25:44,355 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 983 transitions, 21159 flow [2023-08-29 17:25:44,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:44,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:44,357 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] [2023-08-29 17:25:44,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-29 17:25:44,358 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:44,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1651015171, now seen corresponding path program 1 times [2023-08-29 17:25:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:44,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247052394] [2023-08-29 17:25:44,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:44,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:45,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:45,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247052394] [2023-08-29 17:25:45,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247052394] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:45,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:45,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:25:45,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788056661] [2023-08-29 17:25:45,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:45,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:25:45,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:45,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:25:45,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:25:46,436 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1103 out of 2705 [2023-08-29 17:25:46,440 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 983 transitions, 21159 flow. Second operand has 11 states, 11 states have (on average 1104.909090909091) internal successors, (12154), 11 states have internal predecessors, (12154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:46,440 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:46,440 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1103 of 2705 [2023-08-29 17:25:46,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:50,458 INFO L130 PetriNetUnfolder]: 3663/7156 cut-off events. [2023-08-29 17:25:50,459 INFO L131 PetriNetUnfolder]: For 159215/159595 co-relation queries the response was YES. [2023-08-29 17:25:50,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59697 conditions, 7156 events. 3663/7156 cut-off events. For 159215/159595 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 49864 event pairs, 424 based on Foata normal form. 138/7232 useless extension candidates. Maximal degree in co-relation 59630. Up to 4160 conditions per place. [2023-08-29 17:25:50,521 INFO L137 encePairwiseOnDemand]: 2695/2705 looper letters, 920 selfloop transitions, 163 changer transitions 0/1105 dead transitions. [2023-08-29 17:25:50,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 1105 transitions, 25385 flow [2023-08-29 17:25:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:25:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:25:50,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10029 transitions. [2023-08-29 17:25:50,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4119531731361676 [2023-08-29 17:25:50,526 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10029 transitions. [2023-08-29 17:25:50,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10029 transitions. [2023-08-29 17:25:50,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:50,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10029 transitions. [2023-08-29 17:25:50,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1114.3333333333333) internal successors, (10029), 9 states have internal predecessors, (10029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:50,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:50,542 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:50,542 INFO L175 Difference]: Start difference. First operand has 199 places, 983 transitions, 21159 flow. Second operand 9 states and 10029 transitions. [2023-08-29 17:25:50,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 1105 transitions, 25385 flow [2023-08-29 17:25:51,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 1105 transitions, 25169 flow, removed 106 selfloop flow, removed 2 redundant places. [2023-08-29 17:25:51,329 INFO L231 Difference]: Finished difference. Result has 204 places, 982 transitions, 21355 flow [2023-08-29 17:25:51,330 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=21029, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=21355, PETRI_PLACES=204, PETRI_TRANSITIONS=982} [2023-08-29 17:25:51,330 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 52 predicate places. [2023-08-29 17:25:51,330 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 982 transitions, 21355 flow [2023-08-29 17:25:51,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1104.909090909091) internal successors, (12154), 11 states have internal predecessors, (12154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:51,331 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:51,331 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] [2023-08-29 17:25:51,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-29 17:25:51,332 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:51,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:51,332 INFO L85 PathProgramCache]: Analyzing trace with hash 563717360, now seen corresponding path program 3 times [2023-08-29 17:25:51,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:51,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268089966] [2023-08-29 17:25:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:25:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:25:52,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:25:52,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268089966] [2023-08-29 17:25:52,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268089966] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:25:52,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:25:52,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 17:25:52,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715958649] [2023-08-29 17:25:52,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:25:52,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 17:25:52,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:25:52,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 17:25:52,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-08-29 17:25:54,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1134 out of 2705 [2023-08-29 17:25:54,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 982 transitions, 21355 flow. Second operand has 12 states, 12 states have (on average 1135.4166666666667) internal successors, (13625), 12 states have internal predecessors, (13625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:54,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:25:54,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1134 of 2705 [2023-08-29 17:25:54,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:25:58,112 INFO L130 PetriNetUnfolder]: 2995/6495 cut-off events. [2023-08-29 17:25:58,112 INFO L131 PetriNetUnfolder]: For 130082/130262 co-relation queries the response was YES. [2023-08-29 17:25:58,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53960 conditions, 6495 events. 2995/6495 cut-off events. For 130082/130262 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 50330 event pairs, 133 based on Foata normal form. 134/6535 useless extension candidates. Maximal degree in co-relation 53893. Up to 2809 conditions per place. [2023-08-29 17:25:58,172 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 901 selfloop transitions, 175 changer transitions 0/1095 dead transitions. [2023-08-29 17:25:58,172 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 1095 transitions, 25111 flow [2023-08-29 17:25:58,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:25:58,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:25:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10321 transitions. [2023-08-29 17:25:58,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4239474224686794 [2023-08-29 17:25:58,298 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 10321 transitions. [2023-08-29 17:25:58,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10321 transitions. [2023-08-29 17:25:58,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:25:58,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 10321 transitions. [2023-08-29 17:25:58,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 1146.7777777777778) internal successors, (10321), 9 states have internal predecessors, (10321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:58,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:58,314 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 2705.0) internal successors, (27050), 10 states have internal predecessors, (27050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:58,314 INFO L175 Difference]: Start difference. First operand has 204 places, 982 transitions, 21355 flow. Second operand 9 states and 10321 transitions. [2023-08-29 17:25:58,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 1095 transitions, 25111 flow [2023-08-29 17:25:58,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 1095 transitions, 24804 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 17:25:58,817 INFO L231 Difference]: Finished difference. Result has 208 places, 997 transitions, 22189 flow [2023-08-29 17:25:58,818 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=21107, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=807, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=22189, PETRI_PLACES=208, PETRI_TRANSITIONS=997} [2023-08-29 17:25:58,818 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 56 predicate places. [2023-08-29 17:25:58,818 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 997 transitions, 22189 flow [2023-08-29 17:25:58,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1135.4166666666667) internal successors, (13625), 12 states have internal predecessors, (13625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:25:58,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:25:58,820 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] [2023-08-29 17:25:58,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-29 17:25:58,821 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:25:58,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:25:58,821 INFO L85 PathProgramCache]: Analyzing trace with hash -2016790490, now seen corresponding path program 4 times [2023-08-29 17:25:58,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:25:58,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209343053] [2023-08-29 17:25:58,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:25:58,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:25:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:26:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:26:00,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:26:00,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209343053] [2023-08-29 17:26:00,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209343053] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:26:00,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:26:00,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 17:26:00,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100122515] [2023-08-29 17:26:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:26:00,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 17:26:00,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:26:00,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 17:26:00,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 17:26:02,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1135 out of 2705 [2023-08-29 17:26:02,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 997 transitions, 22189 flow. Second operand has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:02,102 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:26:02,102 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1135 of 2705 [2023-08-29 17:26:02,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:26:08,950 INFO L130 PetriNetUnfolder]: 3235/7123 cut-off events. [2023-08-29 17:26:08,950 INFO L131 PetriNetUnfolder]: For 152203/152386 co-relation queries the response was YES. [2023-08-29 17:26:08,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59408 conditions, 7123 events. 3235/7123 cut-off events. For 152203/152386 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 56884 event pairs, 143 based on Foata normal form. 133/7129 useless extension candidates. Maximal degree in co-relation 59338. Up to 2955 conditions per place. [2023-08-29 17:26:09,016 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 1008 selfloop transitions, 189 changer transitions 0/1216 dead transitions. [2023-08-29 17:26:09,016 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 1216 transitions, 27953 flow [2023-08-29 17:26:09,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:26:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:26:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11479 transitions. [2023-08-29 17:26:09,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.424362292051756 [2023-08-29 17:26:09,022 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11479 transitions. [2023-08-29 17:26:09,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11479 transitions. [2023-08-29 17:26:09,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:26:09,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11479 transitions. [2023-08-29 17:26:09,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1147.9) internal successors, (11479), 10 states have internal predecessors, (11479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:09,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:09,040 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:09,040 INFO L175 Difference]: Start difference. First operand has 208 places, 997 transitions, 22189 flow. Second operand 10 states and 11479 transitions. [2023-08-29 17:26:09,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 1216 transitions, 27953 flow [2023-08-29 17:26:09,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 1216 transitions, 27371 flow, removed 16 selfloop flow, removed 5 redundant places. [2023-08-29 17:26:09,750 INFO L231 Difference]: Finished difference. Result has 217 places, 1039 transitions, 23446 flow [2023-08-29 17:26:09,751 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=21648, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=997, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=810, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=23446, PETRI_PLACES=217, PETRI_TRANSITIONS=1039} [2023-08-29 17:26:09,752 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 65 predicate places. [2023-08-29 17:26:09,752 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 1039 transitions, 23446 flow [2023-08-29 17:26:09,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1136.5) internal successors, (13638), 12 states have internal predecessors, (13638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:09,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:26:09,754 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] [2023-08-29 17:26:09,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-29 17:26:09,754 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:26:09,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:26:09,755 INFO L85 PathProgramCache]: Analyzing trace with hash 451031536, now seen corresponding path program 5 times [2023-08-29 17:26:09,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:26:09,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682779681] [2023-08-29 17:26:09,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:26:09,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:26:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:26:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:26:10,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:26:10,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682779681] [2023-08-29 17:26:10,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682779681] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:26:10,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:26:10,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-29 17:26:10,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623716207] [2023-08-29 17:26:10,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:26:10,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-29 17:26:10,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:26:10,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-29 17:26:10,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-08-29 17:26:12,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1134 out of 2705 [2023-08-29 17:26:12,748 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 1039 transitions, 23446 flow. Second operand has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:12,748 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:26:12,748 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1134 of 2705 [2023-08-29 17:26:12,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:26:17,747 INFO L130 PetriNetUnfolder]: 3258/7394 cut-off events. [2023-08-29 17:26:17,747 INFO L131 PetriNetUnfolder]: For 166836/167023 co-relation queries the response was YES. [2023-08-29 17:26:17,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61867 conditions, 7394 events. 3258/7394 cut-off events. For 166836/167023 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 60957 event pairs, 166 based on Foata normal form. 153/7432 useless extension candidates. Maximal degree in co-relation 61792. Up to 3084 conditions per place. [2023-08-29 17:26:17,822 INFO L137 encePairwiseOnDemand]: 2691/2705 looper letters, 967 selfloop transitions, 213 changer transitions 0/1199 dead transitions. [2023-08-29 17:26:17,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 1199 transitions, 28170 flow [2023-08-29 17:26:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:26:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:26:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11466 transitions. [2023-08-29 17:26:17,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4238817005545287 [2023-08-29 17:26:17,945 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 11466 transitions. [2023-08-29 17:26:17,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11466 transitions. [2023-08-29 17:26:17,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:26:17,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 11466 transitions. [2023-08-29 17:26:17,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 1146.6) internal successors, (11466), 10 states have internal predecessors, (11466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:17,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:17,962 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 2705.0) internal successors, (29755), 11 states have internal predecessors, (29755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:17,962 INFO L175 Difference]: Start difference. First operand has 217 places, 1039 transitions, 23446 flow. Second operand 10 states and 11466 transitions. [2023-08-29 17:26:17,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 1199 transitions, 28170 flow [2023-08-29 17:26:18,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 1199 transitions, 27744 flow, removed 70 selfloop flow, removed 8 redundant places. [2023-08-29 17:26:18,818 INFO L231 Difference]: Finished difference. Result has 219 places, 1064 transitions, 24467 flow [2023-08-29 17:26:18,819 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=23021, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1038, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=24467, PETRI_PLACES=219, PETRI_TRANSITIONS=1064} [2023-08-29 17:26:18,819 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 67 predicate places. [2023-08-29 17:26:18,819 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 1064 transitions, 24467 flow [2023-08-29 17:26:18,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1135.5) internal successors, (13626), 12 states have internal predecessors, (13626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:18,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:26:18,821 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:26:18,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-29 17:26:18,821 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:26:18,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:26:18,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1364175614, now seen corresponding path program 1 times [2023-08-29 17:26:18,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:26:18,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206105018] [2023-08-29 17:26:18,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:26:18,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:26:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:26:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:26:19,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:26:19,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206105018] [2023-08-29 17:26:19,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206105018] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:26:19,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:26:19,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:26:19,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078692461] [2023-08-29 17:26:19,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:26:19,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:26:19,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:26:19,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:26:19,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:26:19,614 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1143 out of 2705 [2023-08-29 17:26:19,617 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 1064 transitions, 24467 flow. Second operand has 6 states, 6 states have (on average 1145.8333333333333) internal successors, (6875), 6 states have internal predecessors, (6875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:19,617 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:26:19,617 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1143 of 2705 [2023-08-29 17:26:19,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:26:23,539 INFO L130 PetriNetUnfolder]: 3584/8073 cut-off events. [2023-08-29 17:26:23,540 INFO L131 PetriNetUnfolder]: For 201619/202524 co-relation queries the response was YES. [2023-08-29 17:26:23,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67920 conditions, 8073 events. 3584/8073 cut-off events. For 201619/202524 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 67246 event pairs, 116 based on Foata normal form. 323/8221 useless extension candidates. Maximal degree in co-relation 67848. Up to 4726 conditions per place. [2023-08-29 17:26:23,613 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 884 selfloop transitions, 229 changer transitions 0/1307 dead transitions. [2023-08-29 17:26:23,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 1307 transitions, 31844 flow [2023-08-29 17:26:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:26:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:26:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6931 transitions. [2023-08-29 17:26:23,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4270486752926679 [2023-08-29 17:26:23,617 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6931 transitions. [2023-08-29 17:26:23,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6931 transitions. [2023-08-29 17:26:23,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:26:23,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6931 transitions. [2023-08-29 17:26:23,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1155.1666666666667) internal successors, (6931), 6 states have internal predecessors, (6931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:23,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:23,631 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:23,631 INFO L175 Difference]: Start difference. First operand has 219 places, 1064 transitions, 24467 flow. Second operand 6 states and 6931 transitions. [2023-08-29 17:26:23,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 1307 transitions, 31844 flow [2023-08-29 17:26:24,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 1307 transitions, 31445 flow, removed 107 selfloop flow, removed 5 redundant places. [2023-08-29 17:26:24,452 INFO L231 Difference]: Finished difference. Result has 224 places, 1292 transitions, 30218 flow [2023-08-29 17:26:24,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=24068, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1064, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1003, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=30218, PETRI_PLACES=224, PETRI_TRANSITIONS=1292} [2023-08-29 17:26:24,453 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 72 predicate places. [2023-08-29 17:26:24,453 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 1292 transitions, 30218 flow [2023-08-29 17:26:24,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1145.8333333333333) internal successors, (6875), 6 states have internal predecessors, (6875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:24,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:26:24,454 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] [2023-08-29 17:26:24,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-29 17:26:24,454 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:26:24,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:26:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash -580660317, now seen corresponding path program 1 times [2023-08-29 17:26:24,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:26:24,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508624899] [2023-08-29 17:26:24,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:26:24,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:26:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:26:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:26:25,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:26:25,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508624899] [2023-08-29 17:26:25,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508624899] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:26:25,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:26:25,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:26:25,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676704108] [2023-08-29 17:26:25,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:26:25,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:26:25,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:26:25,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:26:25,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:26:26,310 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1140 out of 2705 [2023-08-29 17:26:26,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 1292 transitions, 30218 flow. Second operand has 9 states, 9 states have (on average 1142.2222222222222) internal successors, (10280), 9 states have internal predecessors, (10280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:26,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:26:26,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1140 of 2705 [2023-08-29 17:26:26,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:26:30,467 INFO L130 PetriNetUnfolder]: 3583/8153 cut-off events. [2023-08-29 17:26:30,467 INFO L131 PetriNetUnfolder]: For 212280/213388 co-relation queries the response was YES. [2023-08-29 17:26:30,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70540 conditions, 8153 events. 3583/8153 cut-off events. For 212280/213388 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 68202 event pairs, 144 based on Foata normal form. 467/8508 useless extension candidates. Maximal degree in co-relation 70464. Up to 3716 conditions per place. [2023-08-29 17:26:30,556 INFO L137 encePairwiseOnDemand]: 2698/2705 looper letters, 1117 selfloop transitions, 19 changer transitions 0/1330 dead transitions. [2023-08-29 17:26:30,556 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 1330 transitions, 33174 flow [2023-08-29 17:26:30,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:26:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:26:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9190 transitions. [2023-08-29 17:26:30,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42467652495378927 [2023-08-29 17:26:30,561 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9190 transitions. [2023-08-29 17:26:30,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9190 transitions. [2023-08-29 17:26:30,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:26:30,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9190 transitions. [2023-08-29 17:26:30,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1148.75) internal successors, (9190), 8 states have internal predecessors, (9190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:30,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:30,576 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:30,576 INFO L175 Difference]: Start difference. First operand has 224 places, 1292 transitions, 30218 flow. Second operand 8 states and 9190 transitions. [2023-08-29 17:26:30,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 1330 transitions, 33174 flow [2023-08-29 17:26:31,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 1330 transitions, 32284 flow, removed 416 selfloop flow, removed 1 redundant places. [2023-08-29 17:26:31,524 INFO L231 Difference]: Finished difference. Result has 229 places, 1291 transitions, 29362 flow [2023-08-29 17:26:31,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=29324, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29362, PETRI_PLACES=229, PETRI_TRANSITIONS=1291} [2023-08-29 17:26:31,525 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 77 predicate places. [2023-08-29 17:26:31,525 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 1291 transitions, 29362 flow [2023-08-29 17:26:31,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1142.2222222222222) internal successors, (10280), 9 states have internal predecessors, (10280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:31,526 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:26:31,526 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:26:31,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-29 17:26:31,527 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:26:31,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:26:31,527 INFO L85 PathProgramCache]: Analyzing trace with hash -892320409, now seen corresponding path program 1 times [2023-08-29 17:26:31,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:26:31,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282773596] [2023-08-29 17:26:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:26:31,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:26:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:26:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:26:32,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:26:32,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282773596] [2023-08-29 17:26:32,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282773596] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:26:32,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:26:32,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:26:32,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409665936] [2023-08-29 17:26:32,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:26:32,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:26:32,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:26:32,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:26:32,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:26:32,444 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1143 out of 2705 [2023-08-29 17:26:32,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 1291 transitions, 29362 flow. Second operand has 6 states, 6 states have (on average 1147.0) internal successors, (6882), 6 states have internal predecessors, (6882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:32,446 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:26:32,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1143 of 2705 [2023-08-29 17:26:32,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:26:36,395 INFO L130 PetriNetUnfolder]: 3853/8418 cut-off events. [2023-08-29 17:26:36,395 INFO L131 PetriNetUnfolder]: For 217449/218288 co-relation queries the response was YES. [2023-08-29 17:26:36,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73114 conditions, 8418 events. 3853/8418 cut-off events. For 217449/218288 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 68455 event pairs, 225 based on Foata normal form. 267/8627 useless extension candidates. Maximal degree in co-relation 73038. Up to 5328 conditions per place. [2023-08-29 17:26:36,467 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 692 selfloop transitions, 96 changer transitions 404/1387 dead transitions. [2023-08-29 17:26:36,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 1387 transitions, 34166 flow [2023-08-29 17:26:36,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:26:36,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:26:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6917 transitions. [2023-08-29 17:26:36,471 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4261860751694393 [2023-08-29 17:26:36,471 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6917 transitions. [2023-08-29 17:26:36,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6917 transitions. [2023-08-29 17:26:36,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:26:36,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6917 transitions. [2023-08-29 17:26:36,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1152.8333333333333) internal successors, (6917), 6 states have internal predecessors, (6917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:36,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:36,483 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2705.0) internal successors, (18935), 7 states have internal predecessors, (18935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:36,483 INFO L175 Difference]: Start difference. First operand has 229 places, 1291 transitions, 29362 flow. Second operand 6 states and 6917 transitions. [2023-08-29 17:26:36,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 1387 transitions, 34166 flow [2023-08-29 17:26:37,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 1387 transitions, 34130 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 17:26:37,374 INFO L231 Difference]: Finished difference. Result has 232 places, 983 transitions, 22827 flow [2023-08-29 17:26:37,375 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=29326, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=22827, PETRI_PLACES=232, PETRI_TRANSITIONS=983} [2023-08-29 17:26:37,375 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 80 predicate places. [2023-08-29 17:26:37,375 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 983 transitions, 22827 flow [2023-08-29 17:26:37,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1147.0) internal successors, (6882), 6 states have internal predecessors, (6882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:37,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:26:37,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:26:37,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-29 17:26:37,376 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2023-08-29 17:26:37,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:26:37,376 INFO L85 PathProgramCache]: Analyzing trace with hash -151205380, now seen corresponding path program 1 times [2023-08-29 17:26:37,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:26:37,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720327639] [2023-08-29 17:26:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:26:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:26:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:26:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:26:38,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:26:38,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720327639] [2023-08-29 17:26:38,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720327639] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:26:38,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:26:38,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:26:38,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706840858] [2023-08-29 17:26:38,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:26:38,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:26:38,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:26:38,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:26:38,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:26:38,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 2705 [2023-08-29 17:26:38,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 983 transitions, 22827 flow. Second operand has 9 states, 9 states have (on average 1144.7777777777778) internal successors, (10303), 9 states have internal predecessors, (10303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:38,961 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:26:38,961 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 2705 [2023-08-29 17:26:38,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:26:43,064 INFO L130 PetriNetUnfolder]: 2660/6731 cut-off events. [2023-08-29 17:26:43,064 INFO L131 PetriNetUnfolder]: For 174507/175122 co-relation queries the response was YES. [2023-08-29 17:26:43,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59465 conditions, 6731 events. 2660/6731 cut-off events. For 174507/175122 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 59746 event pairs, 265 based on Foata normal form. 209/6889 useless extension candidates. Maximal degree in co-relation 59385. Up to 3878 conditions per place. [2023-08-29 17:26:43,118 INFO L137 encePairwiseOnDemand]: 2697/2705 looper letters, 0 selfloop transitions, 0 changer transitions 986/986 dead transitions. [2023-08-29 17:26:43,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 986 transitions, 24485 flow [2023-08-29 17:26:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:26:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:26:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9189 transitions. [2023-08-29 17:26:43,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42463031423290204 [2023-08-29 17:26:43,124 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9189 transitions. [2023-08-29 17:26:43,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9189 transitions. [2023-08-29 17:26:43,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:26:43,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9189 transitions. [2023-08-29 17:26:43,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1148.625) internal successors, (9189), 8 states have internal predecessors, (9189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:43,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:43,138 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2705.0) internal successors, (24345), 9 states have internal predecessors, (24345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:43,138 INFO L175 Difference]: Start difference. First operand has 232 places, 983 transitions, 22827 flow. Second operand 8 states and 9189 transitions. [2023-08-29 17:26:43,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 986 transitions, 24485 flow [2023-08-29 17:26:43,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 986 transitions, 24245 flow, removed 108 selfloop flow, removed 1 redundant places. [2023-08-29 17:26:43,923 INFO L231 Difference]: Finished difference. Result has 236 places, 0 transitions, 0 flow [2023-08-29 17:26:43,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2705, PETRI_DIFFERENCE_MINUEND_FLOW=22583, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=982, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=236, PETRI_TRANSITIONS=0} [2023-08-29 17:26:43,924 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, 84 predicate places. [2023-08-29 17:26:43,924 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 0 transitions, 0 flow [2023-08-29 17:26:43,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1144.7777777777778) internal successors, (10303), 9 states have internal predecessors, (10303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:26:43,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2023-08-29 17:26:43,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2023-08-29 17:26:43,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2023-08-29 17:26:43,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2023-08-29 17:26:43,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2023-08-29 17:26:43,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2023-08-29 17:26:43,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2023-08-29 17:26:43,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2023-08-29 17:26:43,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2023-08-29 17:26:43,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2023-08-29 17:26:43,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2023-08-29 17:26:43,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2023-08-29 17:26:43,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2023-08-29 17:26:43,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2023-08-29 17:26:43,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2023-08-29 17:26:43,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr10ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2023-08-29 17:26:43,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr11ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2023-08-29 17:26:43,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr12ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2023-08-29 17:26:43,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr13ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2023-08-29 17:26:43,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr14ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2023-08-29 17:26:43,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr15ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2023-08-29 17:26:43,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr16ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2023-08-29 17:26:43,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr17ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2023-08-29 17:26:43,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2023-08-29 17:26:43,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2023-08-29 17:26:43,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2023-08-29 17:26:43,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2023-08-29 17:26:43,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2023-08-29 17:26:43,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2023-08-29 17:26:43,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2023-08-29 17:26:43,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2023-08-29 17:26:43,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2023-08-29 17:26:43,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2023-08-29 17:26:43,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2023-08-29 17:26:43,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2023-08-29 17:26:43,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2023-08-29 17:26:43,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2023-08-29 17:26:43,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2023-08-29 17:26:43,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2023-08-29 17:26:43,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2023-08-29 17:26:43,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2023-08-29 17:26:43,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2023-08-29 17:26:43,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2023-08-29 17:26:43,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2023-08-29 17:26:43,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2023-08-29 17:26:43,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2023-08-29 17:26:43,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2023-08-29 17:26:43,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2023-08-29 17:26:43,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2023-08-29 17:26:43,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2023-08-29 17:26:43,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2023-08-29 17:26:43,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2023-08-29 17:26:43,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2023-08-29 17:26:43,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2023-08-29 17:26:43,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2023-08-29 17:26:43,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2023-08-29 17:26:43,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2023-08-29 17:26:43,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2023-08-29 17:26:43,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2023-08-29 17:26:43,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2023-08-29 17:26:43,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2023-08-29 17:26:43,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2023-08-29 17:26:43,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2023-08-29 17:26:43,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2023-08-29 17:26:43,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2023-08-29 17:26:43,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2023-08-29 17:26:43,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2023-08-29 17:26:43,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2023-08-29 17:26:43,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2023-08-29 17:26:43,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (49 of 119 remaining) [2023-08-29 17:26:43,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (48 of 119 remaining) [2023-08-29 17:26:43,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2023-08-29 17:26:43,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2023-08-29 17:26:43,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2023-08-29 17:26:43,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2023-08-29 17:26:43,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2023-08-29 17:26:43,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2023-08-29 17:26:43,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2023-08-29 17:26:43,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2023-08-29 17:26:43,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2023-08-29 17:26:43,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2023-08-29 17:26:43,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2023-08-29 17:26:43,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2023-08-29 17:26:43,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2023-08-29 17:26:43,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2023-08-29 17:26:43,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2023-08-29 17:26:43,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2023-08-29 17:26:43,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2023-08-29 17:26:43,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2023-08-29 17:26:43,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2023-08-29 17:26:43,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2023-08-29 17:26:43,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2023-08-29 17:26:43,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2023-08-29 17:26:43,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2023-08-29 17:26:43,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 119 remaining) [2023-08-29 17:26:43,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 119 remaining) [2023-08-29 17:26:43,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2023-08-29 17:26:43,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2023-08-29 17:26:43,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr2ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2023-08-29 17:26:43,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr3ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2023-08-29 17:26:43,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr4ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2023-08-29 17:26:43,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr5ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2023-08-29 17:26:43,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr6ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2023-08-29 17:26:43,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr7ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr8ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr9ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr10ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr11ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr12ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr13ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr14ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr15ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr16ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2023-08-29 17:26:43,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_configureErr17ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2023-08-29 17:26:43,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2023-08-29 17:26:43,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr1ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2023-08-29 17:26:43,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr2ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2023-08-29 17:26:43,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr3ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2023-08-29 17:26:43,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr4ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2023-08-29 17:26:43,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-29 17:26:43,950 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:26:43,954 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:26:43,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:26:43,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:26:43 BasicIcfg [2023-08-29 17:26:43,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:26:43,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:26:43,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:26:43,958 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:26:43,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:15:18" (3/4) ... [2023-08-29 17:26:43,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:26:43,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-29 17:26:43,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 17:26:43,982 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-29 17:26:43,983 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-29 17:26:43,984 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-29 17:26:43,985 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 17:26:44,086 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:26:44,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:26:44,086 INFO L158 Benchmark]: Toolchain (without parser) took 691746.67ms. Allocated memory was 71.3MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 37.6MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-08-29 17:26:44,087 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:26:44,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4254.84ms. Allocated memory was 71.3MB in the beginning and 167.8MB in the end (delta: 96.5MB). Free memory was 37.5MB in the beginning and 84.0MB in the end (delta: -46.5MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. [2023-08-29 17:26:44,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.32ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 66.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 17:26:44,087 INFO L158 Benchmark]: Boogie Preprocessor took 104.62ms. Allocated memory is still 167.8MB. Free memory was 66.1MB in the beginning and 57.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 17:26:44,088 INFO L158 Benchmark]: RCFGBuilder took 1495.36ms. Allocated memory is still 167.8MB. Free memory was 57.8MB in the beginning and 59.9MB in the end (delta: -2.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-08-29 17:26:44,088 INFO L158 Benchmark]: TraceAbstraction took 685553.74ms. Allocated memory was 167.8MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 58.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-08-29 17:26:44,088 INFO L158 Benchmark]: Witness Printer took 127.71ms. Allocated memory is still 3.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 17:26:44,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4254.84ms. Allocated memory was 71.3MB in the beginning and 167.8MB in the end (delta: 96.5MB). Free memory was 37.5MB in the beginning and 84.0MB in the end (delta: -46.5MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.32ms. Allocated memory is still 167.8MB. Free memory was 84.0MB in the beginning and 66.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.62ms. Allocated memory is still 167.8MB. Free memory was 66.1MB in the beginning and 57.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1495.36ms. Allocated memory is still 167.8MB. Free memory was 57.8MB in the beginning and 59.9MB in the end (delta: -2.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 685553.74ms. Allocated memory was 167.8MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 58.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 127.71ms. Allocated memory is still 3.3GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 12.8MB). 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: 548.9s, 1150 PlacesBefore, 152 PlacesAfterwards, 1192 TransitionsBefore, 165 TransitionsAfterwards, 41572 CoEnabledTransitionPairs, 11 FixpointIterations, 1090 TrivialSequentialCompositions, 319 ConcurrentSequentialCompositions, 48 TrivialYvCompositions, 17 ConcurrentYvCompositions, 29 ChoiceCompositions, 1503 TotalNumberOfCompositions, 82963 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35301, independent: 34494, independent conditional: 0, independent unconditional: 34494, dependent: 807, dependent conditional: 0, dependent unconditional: 807, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 21623, independent: 21492, independent conditional: 0, independent unconditional: 21492, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 35301, independent: 13002, independent conditional: 0, independent unconditional: 13002, dependent: 676, dependent conditional: 0, dependent unconditional: 676, unknown: 21623, unknown conditional: 0, unknown unconditional: 21623] , Statistics on independence cache: Total cache size (in pairs): 188, Positive cache size: 149, Positive conditional cache size: 0, Positive unconditional cache size: 149, Negative cache size: 39, Negative conditional cache size: 0, Negative unconditional cache size: 39, 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: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 7027]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 862]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 863]: 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: 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: 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: 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: 880]: 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, 1431 locations, 119 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: 685.3s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 109.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 549.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15677 SdHoareTripleChecker+Valid, 65.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12152 mSDsluCounter, 11252 SdHoareTripleChecker+Invalid, 60.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11129 mSDsCounter, 4168 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46287 IncrementalHoareTripleChecker+Invalid, 50455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4168 mSolverCounterUnsat, 123 mSDtfsCounter, 46287 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 312 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30218occurred in iteration=22, InterpolantAutomatonStates: 194, 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, 1.2s SatisfiabilityAnalysisTime, 24.0s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 6458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 94 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:26:44,154 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