./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.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_generic_nvram_read_nvram_write_nvram.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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --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 16:57:27,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 16:57:27,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 16:57:27,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 16:57:27,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 16:57:27,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 16:57:27,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 16:57:27,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 16:57:27,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 16:57:27,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 16:57:27,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 16:57:27,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 16:57:27,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 16:57:27,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 16:57:27,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 16:57:27,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 16:57:27,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 16:57:27,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 16:57:27,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 16:57:27,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 16:57:27,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 16:57:27,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 16:57:27,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 16:57:27,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 16:57:27,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 16:57:27,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 16:57:27,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 16:57:27,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 16:57:27,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 16:57:27,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 16:57:27,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 16:57:27,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 16:57:27,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 16:57:27,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 16:57:27,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 16:57:27,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 16:57:27,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 16:57:27,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 16:57:27,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 16:57:27,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 16:57:27,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 16:57:27,229 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 16:57:27,261 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 16:57:27,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 16:57:27,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 16:57:27,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 16:57:27,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 16:57:27,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 16:57:27,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 16:57:27,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 16:57:27,265 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 16:57:27,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 16:57:27,266 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 16:57:27,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 16:57:27,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 16:57:27,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 16:57:27,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 16:57:27,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 16:57:27,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 16:57:27,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 16:57:27,268 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 16:57:27,268 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 16:57:27,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 16:57:27,268 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 16:57:27,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 16:57:27,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 16:57:27,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 16:57:27,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 16:57:27,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:57:27,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 16:57:27,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 16:57:27,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 16:57:27,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 16:57:27,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 16:57:27,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 16:57:27,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 16:57:27,271 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 16:57:27,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 16:57:27,271 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 16:57:27,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 16:57:27,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 16:57:27,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 16:57:27,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 16:57:27,652 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 16:57:27,653 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 16:57:27,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-08-29 16:57:28,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 16:57:29,402 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 16:57:29,403 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-08-29 16:57:29,447 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d555fd4d8/ef0ac0e24e6b456187d1ea674dda87a7/FLAG7402bba7c [2023-08-29 16:57:29,469 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d555fd4d8/ef0ac0e24e6b456187d1ea674dda87a7 [2023-08-29 16:57:29,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 16:57:29,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 16:57:29,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 16:57:29,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 16:57:29,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 16:57:29,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:57:29" (1/1) ... [2023-08-29 16:57:29,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d262951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:29, skipping insertion in model container [2023-08-29 16:57:29,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:57:29" (1/1) ... [2023-08-29 16:57:29,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 16:57:29,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 16:57:29,928 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_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2023-08-29 16:57:33,241 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 16:57:33,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:57:33,854 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 16:57:33,878 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_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2023-08-29 16:57:34,184 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 16:57:34,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:57:34,907 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:57:34,907 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:57:34,908 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:57:34,908 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:57:34,908 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:57:34,908 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:57:34,908 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:57:34,914 INFO L208 MainTranslator]: Completed translation [2023-08-29 16:57:34,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34 WrapperNode [2023-08-29 16:57:34,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 16:57:34,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 16:57:34,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 16:57:34,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 16:57:34,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,157 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 18, statements flattened = 564 [2023-08-29 16:57:35,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 16:57:35,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 16:57:35,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 16:57:35,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 16:57:35,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 16:57:35,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 16:57:35,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 16:57:35,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 16:57:35,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (1/1) ... [2023-08-29 16:57:35,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:57:35,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 16:57:35,306 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 16:57:35,337 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 16:57:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 16:57:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 16:57:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 16:57:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 16:57:35,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 16:57:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 16:57:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 16:57:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 16:57:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-08-29 16:57:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-08-29 16:57:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 16:57:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 16:57:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-08-29 16:57:35,354 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-08-29 16:57:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 16:57:35,356 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 16:57:35,759 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 16:57:35,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 16:57:36,470 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 16:57:36,486 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 16:57:36,486 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 16:57:36,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:57:36 BoogieIcfgContainer [2023-08-29 16:57:36,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 16:57:36,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 16:57:36,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 16:57:36,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 16:57:36,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:57:29" (1/3) ... [2023-08-29 16:57:36,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4221c573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:57:36, skipping insertion in model container [2023-08-29 16:57:36,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:57:34" (2/3) ... [2023-08-29 16:57:36,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4221c573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:57:36, skipping insertion in model container [2023-08-29 16:57:36,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:57:36" (3/3) ... [2023-08-29 16:57:36,496 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2023-08-29 16:57:36,503 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 16:57:36,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 16:57:36,512 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-08-29 16:57:36,512 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 16:57:36,653 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 16:57:36,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 628 places, 638 transitions, 1292 flow [2023-08-29 16:57:36,920 INFO L130 PetriNetUnfolder]: 17/636 cut-off events. [2023-08-29 16:57:36,920 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 16:57:36,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 645 conditions, 636 events. 17/636 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1071 event pairs, 0 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 455. Up to 4 conditions per place. [2023-08-29 16:57:36,936 INFO L82 GeneralOperation]: Start removeDead. Operand has 628 places, 638 transitions, 1292 flow [2023-08-29 16:57:36,948 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 618 places, 628 transitions, 1265 flow [2023-08-29 16:57:36,952 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 16:57:36,964 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 618 places, 628 transitions, 1265 flow [2023-08-29 16:57:36,971 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 618 places, 628 transitions, 1265 flow [2023-08-29 16:57:36,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 618 places, 628 transitions, 1265 flow [2023-08-29 16:57:37,124 INFO L130 PetriNetUnfolder]: 17/628 cut-off events. [2023-08-29 16:57:37,124 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 16:57:37,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 628 events. 17/628 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 998 event pairs, 0 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 455. Up to 4 conditions per place. [2023-08-29 16:57:37,153 INFO L119 LiptonReduction]: Number of co-enabled transitions 58626 [2023-08-29 17:01:10,636 WARN L222 SmtUtils]: Spent 2.63m on a formula simplification. DAG size of input: 574 DAG size of output: 570 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:02:17,941 WARN L222 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 512 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:04:58,568 WARN L222 SmtUtils]: Spent 2.68m on a formula simplification. DAG size of input: 585 DAG size of output: 581 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:06:21,807 WARN L222 SmtUtils]: Spent 1.39m on a formula simplification that was a NOOP. DAG size: 523 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:06:21,847 INFO L134 LiptonReduction]: Checked pairs total: 328488 [2023-08-29 17:06:21,847 INFO L136 LiptonReduction]: Total number of compositions: 636 [2023-08-29 17:06:21,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:06:21,882 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;@23b0474d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:06:21,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2023-08-29 17:06:21,884 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:06:21,884 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:06:21,884 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:21,885 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:06:21,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:21,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:21,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2306, now seen corresponding path program 1 times [2023-08-29 17:06:21,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:21,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23283255] [2023-08-29 17:06:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:21,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:22,115 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 17:06:22,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:22,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23283255] [2023-08-29 17:06:22,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23283255] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:22,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:22,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:06:22,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519498996] [2023-08-29 17:06:22,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:22,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:06:22,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:22,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:06:22,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:06:22,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 627 out of 1274 [2023-08-29 17:06:22,163 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 176 transitions, 361 flow. Second operand has 2 states, 2 states have (on average 627.5) internal successors, (1255), 2 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:22,163 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:22,163 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 627 of 1274 [2023-08-29 17:06:22,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:22,788 INFO L130 PetriNetUnfolder]: 735/2620 cut-off events. [2023-08-29 17:06:22,788 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2023-08-29 17:06:22,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3762 conditions, 2620 events. 735/2620 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 18457 event pairs, 465 based on Foata normal form. 46/2301 useless extension candidates. Maximal degree in co-relation 3519. Up to 1099 conditions per place. [2023-08-29 17:06:22,808 INFO L137 encePairwiseOnDemand]: 1245/1274 looper letters, 40 selfloop transitions, 0 changer transitions 0/147 dead transitions. [2023-08-29 17:06:22,809 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 147 transitions, 383 flow [2023-08-29 17:06:22,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:06:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:06:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1323 transitions. [2023-08-29 17:06:22,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5192307692307693 [2023-08-29 17:06:22,829 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1323 transitions. [2023-08-29 17:06:22,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1323 transitions. [2023-08-29 17:06:22,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:22,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1323 transitions. [2023-08-29 17:06:22,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 661.5) internal successors, (1323), 2 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:22,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1274.0) internal successors, (3822), 3 states have internal predecessors, (3822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:22,855 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1274.0) internal successors, (3822), 3 states have internal predecessors, (3822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:22,857 INFO L175 Difference]: Start difference. First operand has 169 places, 176 transitions, 361 flow. Second operand 2 states and 1323 transitions. [2023-08-29 17:06:22,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 147 transitions, 383 flow [2023-08-29 17:06:22,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 147 transitions, 378 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:06:22,865 INFO L231 Difference]: Finished difference. Result has 142 places, 147 transitions, 298 flow [2023-08-29 17:06:22,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=298, PETRI_PLACES=142, PETRI_TRANSITIONS=147} [2023-08-29 17:06:22,870 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -27 predicate places. [2023-08-29 17:06:22,871 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 147 transitions, 298 flow [2023-08-29 17:06:22,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 627.5) internal successors, (1255), 2 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:22,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:22,876 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 17:06:22,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:06:22,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:22,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:22,884 INFO L85 PathProgramCache]: Analyzing trace with hash 71112539, now seen corresponding path program 1 times [2023-08-29 17:06:22,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:22,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074248872] [2023-08-29 17:06:22,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:23,277 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 17:06:23,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:23,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074248872] [2023-08-29 17:06:23,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074248872] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:23,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:23,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:06:23,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988087692] [2023-08-29 17:06:23,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:23,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:06:23,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:23,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:06:23,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:06:23,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 1274 [2023-08-29 17:06:23,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 147 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 621.3333333333334) internal successors, (1864), 3 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:23,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:23,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 1274 [2023-08-29 17:06:23,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:23,809 INFO L130 PetriNetUnfolder]: 833/2902 cut-off events. [2023-08-29 17:06:23,810 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 17:06:23,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4186 conditions, 2902 events. 833/2902 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 20642 event pairs, 312 based on Foata normal form. 0/2523 useless extension candidates. Maximal degree in co-relation 4183. Up to 1247 conditions per place. [2023-08-29 17:06:23,823 INFO L137 encePairwiseOnDemand]: 1270/1274 looper letters, 45 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2023-08-29 17:06:23,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 150 transitions, 400 flow [2023-08-29 17:06:23,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:06:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:06:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1909 transitions. [2023-08-29 17:06:23,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.499476713762428 [2023-08-29 17:06:23,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1909 transitions. [2023-08-29 17:06:23,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1909 transitions. [2023-08-29 17:06:23,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:23,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1909 transitions. [2023-08-29 17:06:23,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 636.3333333333334) internal successors, (1909), 3 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:23,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:23,842 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:23,842 INFO L175 Difference]: Start difference. First operand has 142 places, 147 transitions, 298 flow. Second operand 3 states and 1909 transitions. [2023-08-29 17:06:23,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 150 transitions, 400 flow [2023-08-29 17:06:23,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 150 transitions, 400 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:06:23,847 INFO L231 Difference]: Finished difference. Result has 143 places, 147 transitions, 308 flow [2023-08-29 17:06:23,847 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=143, PETRI_TRANSITIONS=147} [2023-08-29 17:06:23,848 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-29 17:06:23,848 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 147 transitions, 308 flow [2023-08-29 17:06:23,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 621.3333333333334) internal successors, (1864), 3 states have internal predecessors, (1864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:23,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:23,850 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 17:06:23,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:06:23,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:23,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:23,851 INFO L85 PathProgramCache]: Analyzing trace with hash -380277251, now seen corresponding path program 1 times [2023-08-29 17:06:23,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:23,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502118083] [2023-08-29 17:06:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:23,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:23,978 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 17:06:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502118083] [2023-08-29 17:06:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502118083] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:23,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:23,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:06:23,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142225117] [2023-08-29 17:06:23,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:23,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:06:23,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:23,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:06:23,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:06:23,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 1274 [2023-08-29 17:06:23,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 147 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 618.6666666666666) internal successors, (1856), 3 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:23,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:23,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 1274 [2023-08-29 17:06:23,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:24,453 INFO L130 PetriNetUnfolder]: 937/3223 cut-off events. [2023-08-29 17:06:24,454 INFO L131 PetriNetUnfolder]: For 69/95 co-relation queries the response was YES. [2023-08-29 17:06:24,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4742 conditions, 3223 events. 937/3223 cut-off events. For 69/95 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 23338 event pairs, 601 based on Foata normal form. 0/2831 useless extension candidates. Maximal degree in co-relation 4738. Up to 1416 conditions per place. [2023-08-29 17:06:24,471 INFO L137 encePairwiseOnDemand]: 1271/1274 looper letters, 45 selfloop transitions, 1 changer transitions 0/145 dead transitions. [2023-08-29 17:06:24,472 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 396 flow [2023-08-29 17:06:24,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:06:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:06:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1897 transitions. [2023-08-29 17:06:24,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49633699633699635 [2023-08-29 17:06:24,477 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1897 transitions. [2023-08-29 17:06:24,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1897 transitions. [2023-08-29 17:06:24,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:24,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1897 transitions. [2023-08-29 17:06:24,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 632.3333333333334) internal successors, (1897), 3 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:24,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:24,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:24,490 INFO L175 Difference]: Start difference. First operand has 143 places, 147 transitions, 308 flow. Second operand 3 states and 1897 transitions. [2023-08-29 17:06:24,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 396 flow [2023-08-29 17:06:24,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 145 transitions, 396 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:06:24,493 INFO L231 Difference]: Finished difference. Result has 143 places, 145 transitions, 306 flow [2023-08-29 17:06:24,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=143, PETRI_TRANSITIONS=145} [2023-08-29 17:06:24,494 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-29 17:06:24,494 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 145 transitions, 306 flow [2023-08-29 17:06:24,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.6666666666666) internal successors, (1856), 3 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:24,496 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:24,496 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:06:24,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:06:24,496 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:24,497 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:24,497 INFO L85 PathProgramCache]: Analyzing trace with hash -374168449, now seen corresponding path program 1 times [2023-08-29 17:06:24,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:24,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813249571] [2023-08-29 17:06:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:24,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:06:24,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:24,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813249571] [2023-08-29 17:06:24,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813249571] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:24,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:24,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:06:24,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579613988] [2023-08-29 17:06:24,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:24,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:06:24,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:24,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:06:24,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:06:24,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 1274 [2023-08-29 17:06:24,630 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 145 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 621.6666666666666) internal successors, (1865), 3 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:24,630 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:24,630 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 1274 [2023-08-29 17:06:24,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:25,094 INFO L130 PetriNetUnfolder]: 833/2805 cut-off events. [2023-08-29 17:06:25,095 INFO L131 PetriNetUnfolder]: For 64/70 co-relation queries the response was YES. [2023-08-29 17:06:25,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4156 conditions, 2805 events. 833/2805 cut-off events. For 64/70 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 19438 event pairs, 269 based on Foata normal form. 1/2442 useless extension candidates. Maximal degree in co-relation 4151. Up to 1232 conditions per place. [2023-08-29 17:06:25,112 INFO L137 encePairwiseOnDemand]: 1270/1274 looper letters, 49 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2023-08-29 17:06:25,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 150 transitions, 424 flow [2023-08-29 17:06:25,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:06:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:06:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1911 transitions. [2023-08-29 17:06:25,117 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-08-29 17:06:25,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1911 transitions. [2023-08-29 17:06:25,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1911 transitions. [2023-08-29 17:06:25,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:25,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1911 transitions. [2023-08-29 17:06:25,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 637.0) internal successors, (1911), 3 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:25,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:25,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:25,131 INFO L175 Difference]: Start difference. First operand has 143 places, 145 transitions, 306 flow. Second operand 3 states and 1911 transitions. [2023-08-29 17:06:25,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 150 transitions, 424 flow [2023-08-29 17:06:25,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 150 transitions, 423 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:06:25,134 INFO L231 Difference]: Finished difference. Result has 143 places, 145 transitions, 315 flow [2023-08-29 17:06:25,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=315, PETRI_PLACES=143, PETRI_TRANSITIONS=145} [2023-08-29 17:06:25,135 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-29 17:06:25,136 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 145 transitions, 315 flow [2023-08-29 17:06:25,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 621.6666666666666) internal successors, (1865), 3 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:25,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:25,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:06:25,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:06:25,137 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:25,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:25,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1105142822, now seen corresponding path program 1 times [2023-08-29 17:06:25,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:25,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217620331] [2023-08-29 17:06:25,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:25,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:25,988 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 17:06:25,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:25,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217620331] [2023-08-29 17:06:25,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217620331] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:25,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:25,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:06:25,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360990456] [2023-08-29 17:06:25,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:25,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:06:25,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:25,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:06:25,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:06:26,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1274 [2023-08-29 17:06:26,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 145 transitions, 315 flow. Second operand has 6 states, 6 states have (on average 603.6666666666666) internal successors, (3622), 6 states have internal predecessors, (3622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:26,672 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:26,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1274 [2023-08-29 17:06:26,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:29,122 INFO L130 PetriNetUnfolder]: 9912/18754 cut-off events. [2023-08-29 17:06:29,122 INFO L131 PetriNetUnfolder]: For 402/402 co-relation queries the response was YES. [2023-08-29 17:06:29,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33840 conditions, 18754 events. 9912/18754 cut-off events. For 402/402 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 143675 event pairs, 2715 based on Foata normal form. 0/16177 useless extension candidates. Maximal degree in co-relation 33835. Up to 9164 conditions per place. [2023-08-29 17:06:29,227 INFO L137 encePairwiseOnDemand]: 1252/1274 looper letters, 195 selfloop transitions, 69 changer transitions 0/347 dead transitions. [2023-08-29 17:06:29,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 347 transitions, 1288 flow [2023-08-29 17:06:29,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:06:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:06:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3867 transitions. [2023-08-29 17:06:29,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5058869701726845 [2023-08-29 17:06:29,236 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3867 transitions. [2023-08-29 17:06:29,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3867 transitions. [2023-08-29 17:06:29,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:29,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3867 transitions. [2023-08-29 17:06:29,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 644.5) internal successors, (3867), 6 states have internal predecessors, (3867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:29,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1274.0) internal successors, (8918), 7 states have internal predecessors, (8918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:29,285 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1274.0) internal successors, (8918), 7 states have internal predecessors, (8918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:29,285 INFO L175 Difference]: Start difference. First operand has 143 places, 145 transitions, 315 flow. Second operand 6 states and 3867 transitions. [2023-08-29 17:06:29,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 347 transitions, 1288 flow [2023-08-29 17:06:29,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 347 transitions, 1288 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:06:29,292 INFO L231 Difference]: Finished difference. Result has 153 places, 213 transitions, 769 flow [2023-08-29 17:06:29,293 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=769, PETRI_PLACES=153, PETRI_TRANSITIONS=213} [2023-08-29 17:06:29,296 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -16 predicate places. [2023-08-29 17:06:29,296 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 213 transitions, 769 flow [2023-08-29 17:06:29,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 603.6666666666666) internal successors, (3622), 6 states have internal predecessors, (3622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:29,298 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:29,298 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:06:29,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:06:29,299 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:29,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:29,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1255252709, now seen corresponding path program 1 times [2023-08-29 17:06:29,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:29,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66425577] [2023-08-29 17:06:29,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:06:30,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:30,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66425577] [2023-08-29 17:06:30,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66425577] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:30,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:30,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:06:30,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19234808] [2023-08-29 17:06:30,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:30,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:06:30,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:30,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:06:30,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:06:32,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 1274 [2023-08-29 17:06:32,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 213 transitions, 769 flow. Second operand has 10 states, 10 states have (on average 579.4) internal successors, (5794), 10 states have internal predecessors, (5794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:32,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:32,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 1274 [2023-08-29 17:06:32,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:35,771 INFO L130 PetriNetUnfolder]: 15871/31469 cut-off events. [2023-08-29 17:06:35,771 INFO L131 PetriNetUnfolder]: For 15095/15915 co-relation queries the response was YES. [2023-08-29 17:06:35,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74409 conditions, 31469 events. 15871/31469 cut-off events. For 15095/15915 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 269570 event pairs, 2122 based on Foata normal form. 0/28933 useless extension candidates. Maximal degree in co-relation 74399. Up to 15006 conditions per place. [2023-08-29 17:06:36,016 INFO L137 encePairwiseOnDemand]: 1235/1274 looper letters, 308 selfloop transitions, 352 changer transitions 0/725 dead transitions. [2023-08-29 17:06:36,016 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 725 transitions, 4316 flow [2023-08-29 17:06:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:06:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:06:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 6117 transitions. [2023-08-29 17:06:36,031 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4801412872841444 [2023-08-29 17:06:36,031 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 6117 transitions. [2023-08-29 17:06:36,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 6117 transitions. [2023-08-29 17:06:36,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:36,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 6117 transitions. [2023-08-29 17:06:36,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 611.7) internal successors, (6117), 10 states have internal predecessors, (6117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:36,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1274.0) internal successors, (14014), 11 states have internal predecessors, (14014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:36,066 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1274.0) internal successors, (14014), 11 states have internal predecessors, (14014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:36,066 INFO L175 Difference]: Start difference. First operand has 153 places, 213 transitions, 769 flow. Second operand 10 states and 6117 transitions. [2023-08-29 17:06:36,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 725 transitions, 4316 flow [2023-08-29 17:06:36,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 725 transitions, 4316 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:06:36,296 INFO L231 Difference]: Finished difference. Result has 171 places, 563 transitions, 4193 flow [2023-08-29 17:06:36,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=4193, PETRI_PLACES=171, PETRI_TRANSITIONS=563} [2023-08-29 17:06:36,300 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 2 predicate places. [2023-08-29 17:06:36,300 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 563 transitions, 4193 flow [2023-08-29 17:06:36,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 579.4) internal successors, (5794), 10 states have internal predecessors, (5794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:36,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:36,302 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 17:06:36,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:06:36,302 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr5ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:36,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash -587905657, now seen corresponding path program 1 times [2023-08-29 17:06:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:36,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525344588] [2023-08-29 17:06:36,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:36,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:36,432 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 17:06:36,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:36,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525344588] [2023-08-29 17:06:36,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525344588] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:36,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:36,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:06:36,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525877194] [2023-08-29 17:06:36,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:36,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:06:36,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:36,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:06:36,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:06:36,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1274 [2023-08-29 17:06:36,460 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 563 transitions, 4193 flow. Second operand has 3 states, 3 states have (on average 612.3333333333334) internal successors, (1837), 3 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:36,460 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:36,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1274 [2023-08-29 17:06:36,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:39,370 INFO L130 PetriNetUnfolder]: 9372/23411 cut-off events. [2023-08-29 17:06:39,370 INFO L131 PetriNetUnfolder]: For 19643/20998 co-relation queries the response was YES. [2023-08-29 17:06:39,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60153 conditions, 23411 events. 9372/23411 cut-off events. For 19643/20998 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 227230 event pairs, 897 based on Foata normal form. 7/22235 useless extension candidates. Maximal degree in co-relation 60134. Up to 7739 conditions per place. [2023-08-29 17:06:39,527 INFO L137 encePairwiseOnDemand]: 1268/1274 looper letters, 112 selfloop transitions, 2 changer transitions 0/574 dead transitions. [2023-08-29 17:06:39,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 574 transitions, 4450 flow [2023-08-29 17:06:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:06:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:06:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1891 transitions. [2023-08-29 17:06:39,532 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4947671376242805 [2023-08-29 17:06:39,532 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1891 transitions. [2023-08-29 17:06:39,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1891 transitions. [2023-08-29 17:06:39,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:39,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1891 transitions. [2023-08-29 17:06:39,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 630.3333333333334) internal successors, (1891), 3 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:39,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:39,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1274.0) internal successors, (5096), 4 states have internal predecessors, (5096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:39,542 INFO L175 Difference]: Start difference. First operand has 171 places, 563 transitions, 4193 flow. Second operand 3 states and 1891 transitions. [2023-08-29 17:06:39,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 574 transitions, 4450 flow [2023-08-29 17:06:39,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 574 transitions, 4450 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:06:39,675 INFO L231 Difference]: Finished difference. Result has 170 places, 561 transitions, 4199 flow [2023-08-29 17:06:39,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=4185, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=4199, PETRI_PLACES=170, PETRI_TRANSITIONS=561} [2023-08-29 17:06:39,677 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 1 predicate places. [2023-08-29 17:06:39,678 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 561 transitions, 4199 flow [2023-08-29 17:06:39,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 612.3333333333334) internal successors, (1837), 3 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:39,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:39,679 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 17:06:39,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:06:39,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:39,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:39,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1476115687, now seen corresponding path program 1 times [2023-08-29 17:06:39,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:39,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404733853] [2023-08-29 17:06:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:41,180 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 17:06:41,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:41,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404733853] [2023-08-29 17:06:41,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404733853] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:41,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:41,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:06:41,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363622974] [2023-08-29 17:06:41,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:41,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:06:41,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:41,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:06:41,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:06:42,290 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 1274 [2023-08-29 17:06:42,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 561 transitions, 4199 flow. Second operand has 10 states, 10 states have (on average 579.6) internal successors, (5796), 10 states have internal predecessors, (5796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:42,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:42,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 1274 [2023-08-29 17:06:42,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:48,366 INFO L130 PetriNetUnfolder]: 23159/44958 cut-off events. [2023-08-29 17:06:48,366 INFO L131 PetriNetUnfolder]: For 51467/53364 co-relation queries the response was YES. [2023-08-29 17:06:48,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127854 conditions, 44958 events. 23159/44958 cut-off events. For 51467/53364 co-relation queries the response was YES. Maximal size of possible extension queue 1051. Compared 400239 event pairs, 2441 based on Foata normal form. 133/41697 useless extension candidates. Maximal degree in co-relation 127834. Up to 21368 conditions per place. [2023-08-29 17:06:48,688 INFO L137 encePairwiseOnDemand]: 1235/1274 looper letters, 656 selfloop transitions, 432 changer transitions 0/1174 dead transitions. [2023-08-29 17:06:48,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 1174 transitions, 9589 flow [2023-08-29 17:06:48,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:06:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:06:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 6122 transitions. [2023-08-29 17:06:48,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4805337519623234 [2023-08-29 17:06:48,702 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 6122 transitions. [2023-08-29 17:06:48,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 6122 transitions. [2023-08-29 17:06:48,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:48,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 6122 transitions. [2023-08-29 17:06:48,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 612.2) internal successors, (6122), 10 states have internal predecessors, (6122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:48,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1274.0) internal successors, (14014), 11 states have internal predecessors, (14014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:48,732 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1274.0) internal successors, (14014), 11 states have internal predecessors, (14014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:48,732 INFO L175 Difference]: Start difference. First operand has 170 places, 561 transitions, 4199 flow. Second operand 10 states and 6122 transitions. [2023-08-29 17:06:48,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 1174 transitions, 9589 flow [2023-08-29 17:06:49,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 1174 transitions, 9589 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:06:49,035 INFO L231 Difference]: Finished difference. Result has 188 places, 991 transitions, 8891 flow [2023-08-29 17:06:49,036 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=4199, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=8891, PETRI_PLACES=188, PETRI_TRANSITIONS=991} [2023-08-29 17:06:49,036 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 19 predicate places. [2023-08-29 17:06:49,036 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 991 transitions, 8891 flow [2023-08-29 17:06:49,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 579.6) internal successors, (5796), 10 states have internal predecessors, (5796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:49,038 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:49,038 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] [2023-08-29 17:06:49,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:06:49,039 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:49,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:49,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1677529326, now seen corresponding path program 1 times [2023-08-29 17:06:49,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:49,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468472123] [2023-08-29 17:06:49,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:49,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:49,600 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 17:06:49,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:49,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468472123] [2023-08-29 17:06:49,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468472123] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:49,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:49,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:06:49,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347457451] [2023-08-29 17:06:49,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:49,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:06:49,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:49,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:06:49,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:06:50,051 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1274 [2023-08-29 17:06:50,053 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 991 transitions, 8891 flow. Second operand has 6 states, 6 states have (on average 604.3333333333334) internal successors, (3626), 6 states have internal predecessors, (3626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:50,053 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:06:50,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1274 [2023-08-29 17:06:50,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:06:56,139 INFO L130 PetriNetUnfolder]: 17863/38412 cut-off events. [2023-08-29 17:06:56,139 INFO L131 PetriNetUnfolder]: For 77785/80257 co-relation queries the response was YES. [2023-08-29 17:06:56,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127321 conditions, 38412 events. 17863/38412 cut-off events. For 77785/80257 co-relation queries the response was YES. Maximal size of possible extension queue 904. Compared 366982 event pairs, 3046 based on Foata normal form. 14/35999 useless extension candidates. Maximal degree in co-relation 127292. Up to 20055 conditions per place. [2023-08-29 17:06:56,531 INFO L137 encePairwiseOnDemand]: 1260/1274 looper letters, 903 selfloop transitions, 137 changer transitions 24/1195 dead transitions. [2023-08-29 17:06:56,531 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 1195 transitions, 12355 flow [2023-08-29 17:06:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:06:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:06:56,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3769 transitions. [2023-08-29 17:06:56,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49306645735217164 [2023-08-29 17:06:56,540 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3769 transitions. [2023-08-29 17:06:56,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3769 transitions. [2023-08-29 17:06:56,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:06:56,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3769 transitions. [2023-08-29 17:06:56,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 628.1666666666666) internal successors, (3769), 6 states have internal predecessors, (3769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:56,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1274.0) internal successors, (8918), 7 states have internal predecessors, (8918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:56,557 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1274.0) internal successors, (8918), 7 states have internal predecessors, (8918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:56,557 INFO L175 Difference]: Start difference. First operand has 188 places, 991 transitions, 8891 flow. Second operand 6 states and 3769 transitions. [2023-08-29 17:06:56,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 1195 transitions, 12355 flow [2023-08-29 17:06:56,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 1195 transitions, 12355 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:06:56,977 INFO L231 Difference]: Finished difference. Result has 198 places, 1127 transitions, 10659 flow [2023-08-29 17:06:56,977 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=8891, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=953, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=10659, PETRI_PLACES=198, PETRI_TRANSITIONS=1127} [2023-08-29 17:06:56,978 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 29 predicate places. [2023-08-29 17:06:56,978 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 1127 transitions, 10659 flow [2023-08-29 17:06:56,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 604.3333333333334) internal successors, (3626), 6 states have internal predecessors, (3626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:06:56,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:06:56,979 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:06:56,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:06:56,979 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:06:56,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:06:56,980 INFO L85 PathProgramCache]: Analyzing trace with hash -294854209, now seen corresponding path program 1 times [2023-08-29 17:06:56,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:06:56,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552962151] [2023-08-29 17:06:56,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:06:56,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:06:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:06:59,959 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 17:06:59,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:06:59,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552962151] [2023-08-29 17:06:59,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552962151] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:06:59,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:06:59,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:06:59,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026415059] [2023-08-29 17:06:59,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:06:59,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:06:59,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:06:59,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:06:59,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:07:01,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 17:07:01,052 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 1127 transitions, 10659 flow. Second operand has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:01,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:07:01,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 17:07:01,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:07:12,091 INFO L130 PetriNetUnfolder]: 32426/63625 cut-off events. [2023-08-29 17:07:12,091 INFO L131 PetriNetUnfolder]: For 122809/131426 co-relation queries the response was YES. [2023-08-29 17:07:12,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216238 conditions, 63625 events. 32426/63625 cut-off events. For 122809/131426 co-relation queries the response was YES. Maximal size of possible extension queue 1210. Compared 595821 event pairs, 2480 based on Foata normal form. 7168/65841 useless extension candidates. Maximal degree in co-relation 216204. Up to 24723 conditions per place. [2023-08-29 17:07:12,875 INFO L137 encePairwiseOnDemand]: 1257/1274 looper letters, 1382 selfloop transitions, 776 changer transitions 0/2289 dead transitions. [2023-08-29 17:07:12,875 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 2289 transitions, 24614 flow [2023-08-29 17:07:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:07:12,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:07:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5683 transitions. [2023-08-29 17:07:12,882 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49563928135356705 [2023-08-29 17:07:12,882 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5683 transitions. [2023-08-29 17:07:12,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5683 transitions. [2023-08-29 17:07:12,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:07:12,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5683 transitions. [2023-08-29 17:07:12,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 631.4444444444445) internal successors, (5683), 9 states have internal predecessors, (5683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:12,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:12,896 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:12,896 INFO L175 Difference]: Start difference. First operand has 198 places, 1127 transitions, 10659 flow. Second operand 9 states and 5683 transitions. [2023-08-29 17:07:12,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 2289 transitions, 24614 flow [2023-08-29 17:07:13,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 2289 transitions, 24614 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:07:13,606 INFO L231 Difference]: Finished difference. Result has 212 places, 1796 transitions, 20997 flow [2023-08-29 17:07:13,607 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=10659, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=606, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=20997, PETRI_PLACES=212, PETRI_TRANSITIONS=1796} [2023-08-29 17:07:13,607 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 43 predicate places. [2023-08-29 17:07:13,608 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 1796 transitions, 20997 flow [2023-08-29 17:07:13,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:13,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:07:13,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:07:13,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:07:13,608 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:07:13,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:07:13,609 INFO L85 PathProgramCache]: Analyzing trace with hash 96779335, now seen corresponding path program 2 times [2023-08-29 17:07:13,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:07:13,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356545569] [2023-08-29 17:07:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:07:13,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:07:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:07:15,129 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 17:07:15,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:07:15,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356545569] [2023-08-29 17:07:15,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356545569] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:07:15,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:07:15,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:07:15,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736953905] [2023-08-29 17:07:15,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:07:15,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:07:15,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:07:15,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:07:15,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:07:16,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 17:07:16,164 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 1796 transitions, 20997 flow. Second operand has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:16,164 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:07:16,164 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 17:07:16,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:07:31,745 INFO L130 PetriNetUnfolder]: 35889/71629 cut-off events. [2023-08-29 17:07:31,745 INFO L131 PetriNetUnfolder]: For 239707/257994 co-relation queries the response was YES. [2023-08-29 17:07:32,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276219 conditions, 71629 events. 35889/71629 cut-off events. For 239707/257994 co-relation queries the response was YES. Maximal size of possible extension queue 1300. Compared 693496 event pairs, 4155 based on Foata normal form. 14317/80331 useless extension candidates. Maximal degree in co-relation 276178. Up to 31950 conditions per place. [2023-08-29 17:07:32,629 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 956 selfloop transitions, 1447 changer transitions 0/2534 dead transitions. [2023-08-29 17:07:32,629 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 2534 transitions, 33449 flow [2023-08-29 17:07:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:07:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:07:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5086 transitions. [2023-08-29 17:07:32,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49901883830455257 [2023-08-29 17:07:32,636 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 5086 transitions. [2023-08-29 17:07:32,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 5086 transitions. [2023-08-29 17:07:32,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:07:32,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 5086 transitions. [2023-08-29 17:07:32,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 635.75) internal successors, (5086), 8 states have internal predecessors, (5086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:32,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1274.0) internal successors, (11466), 9 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 17:07:32,649 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1274.0) internal successors, (11466), 9 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 17:07:32,649 INFO L175 Difference]: Start difference. First operand has 212 places, 1796 transitions, 20997 flow. Second operand 8 states and 5086 transitions. [2023-08-29 17:07:32,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 2534 transitions, 33449 flow [2023-08-29 17:07:35,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 2534 transitions, 33320 flow, removed 64 selfloop flow, removed 1 redundant places. [2023-08-29 17:07:35,782 INFO L231 Difference]: Finished difference. Result has 221 places, 2290 transitions, 33103 flow [2023-08-29 17:07:35,784 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=20868, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=953, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=570, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33103, PETRI_PLACES=221, PETRI_TRANSITIONS=2290} [2023-08-29 17:07:35,784 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 52 predicate places. [2023-08-29 17:07:35,784 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 2290 transitions, 33103 flow [2023-08-29 17:07:35,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:35,786 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:07:35,786 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:07:35,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:07:35,786 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:07:35,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:07:35,787 INFO L85 PathProgramCache]: Analyzing trace with hash 943614133, now seen corresponding path program 3 times [2023-08-29 17:07:35,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:07:35,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585933612] [2023-08-29 17:07:35,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:07:35,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:07:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:07:37,182 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 17:07:37,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:07:37,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585933612] [2023-08-29 17:07:37,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585933612] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:07:37,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:07:37,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:07:37,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415065376] [2023-08-29 17:07:37,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:07:37,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:07:37,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:07:37,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:07:37,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:07:38,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 17:07:38,131 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 2290 transitions, 33103 flow. Second operand has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:07:38,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:07:38,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 17:07:38,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:08:00,619 INFO L130 PetriNetUnfolder]: 45134/90360 cut-off events. [2023-08-29 17:08:00,619 INFO L131 PetriNetUnfolder]: For 431457/455885 co-relation queries the response was YES. [2023-08-29 17:08:01,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377319 conditions, 90360 events. 45134/90360 cut-off events. For 431457/455885 co-relation queries the response was YES. Maximal size of possible extension queue 1595. Compared 905166 event pairs, 4503 based on Foata normal form. 9244/92309 useless extension candidates. Maximal degree in co-relation 377275. Up to 30252 conditions per place. [2023-08-29 17:08:01,947 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1302 selfloop transitions, 2454 changer transitions 0/3887 dead transitions. [2023-08-29 17:08:01,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 3887 transitions, 60954 flow [2023-08-29 17:08:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:08:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:08:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-29 17:08:01,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-29 17:08:01,955 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-29 17:08:01,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-29 17:08:01,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:08:01,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-29 17:08:01,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 636.5555555555555) internal successors, (5729), 9 states have internal predecessors, (5729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:01,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:01,966 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:01,967 INFO L175 Difference]: Start difference. First operand has 221 places, 2290 transitions, 33103 flow. Second operand 9 states and 5729 transitions. [2023-08-29 17:08:01,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 3887 transitions, 60954 flow [2023-08-29 17:08:06,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 3887 transitions, 60002 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-29 17:08:06,800 INFO L231 Difference]: Finished difference. Result has 231 places, 3400 transitions, 57388 flow [2023-08-29 17:08:06,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=32372, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1489, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=57388, PETRI_PLACES=231, PETRI_TRANSITIONS=3400} [2023-08-29 17:08:06,802 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 62 predicate places. [2023-08-29 17:08:06,803 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 3400 transitions, 57388 flow [2023-08-29 17:08:06,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:06,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:08:06,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:08:06,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:08:06,804 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:08:06,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:08:06,805 INFO L85 PathProgramCache]: Analyzing trace with hash 2049766955, now seen corresponding path program 4 times [2023-08-29 17:08:06,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:08:06,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080768158] [2023-08-29 17:08:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:08:06,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:08:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:08:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:08:08,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:08:08,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080768158] [2023-08-29 17:08:08,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080768158] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:08:08,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:08:08,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:08:08,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774615752] [2023-08-29 17:08:08,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:08:08,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:08:08,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:08:08,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:08:08,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:08:09,135 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 17:08:09,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 3400 transitions, 57388 flow. Second operand has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:09,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:08:09,138 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 17:08:09,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:08:42,217 INFO L130 PetriNetUnfolder]: 50052/101687 cut-off events. [2023-08-29 17:08:42,217 INFO L131 PetriNetUnfolder]: For 638012/662848 co-relation queries the response was YES. [2023-08-29 17:08:43,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465880 conditions, 101687 events. 50052/101687 cut-off events. For 638012/662848 co-relation queries the response was YES. Maximal size of possible extension queue 1766. Compared 1051376 event pairs, 5530 based on Foata normal form. 15182/108994 useless extension candidates. Maximal degree in co-relation 465830. Up to 42415 conditions per place. [2023-08-29 17:08:43,691 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1574 selfloop transitions, 2686 changer transitions 0/4391 dead transitions. [2023-08-29 17:08:43,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 4391 transitions, 79832 flow [2023-08-29 17:08:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:08:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:08:43,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-29 17:08:43,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-29 17:08:43,698 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-29 17:08:43,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-29 17:08:43,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:08:43,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-29 17:08:43,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 636.5555555555555) internal successors, (5729), 9 states have internal predecessors, (5729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:43,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:43,712 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:43,712 INFO L175 Difference]: Start difference. First operand has 231 places, 3400 transitions, 57388 flow. Second operand 9 states and 5729 transitions. [2023-08-29 17:08:43,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 4391 transitions, 79832 flow [2023-08-29 17:08:54,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 4391 transitions, 77673 flow, removed 1073 selfloop flow, removed 2 redundant places. [2023-08-29 17:08:54,286 INFO L231 Difference]: Finished difference. Result has 242 places, 4058 transitions, 78283 flow [2023-08-29 17:08:54,288 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=55665, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1089, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=78283, PETRI_PLACES=242, PETRI_TRANSITIONS=4058} [2023-08-29 17:08:54,289 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 73 predicate places. [2023-08-29 17:08:54,289 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 4058 transitions, 78283 flow [2023-08-29 17:08:54,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:54,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:08:54,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:08:54,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:08:54,291 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:08:54,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:08:54,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1286403155, now seen corresponding path program 5 times [2023-08-29 17:08:54,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:08:54,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087820936] [2023-08-29 17:08:54,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:08:54,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:08:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:08:55,515 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 17:08:55,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:08:55,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087820936] [2023-08-29 17:08:55,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087820936] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:08:55,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:08:55,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:08:55,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797142007] [2023-08-29 17:08:55,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:08:55,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:08:55,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:08:55,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:08:55,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:08:56,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 17:08:56,607 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 4058 transitions, 78283 flow. Second operand has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:08:56,607 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:08:56,607 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 17:08:56,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:09:37,331 INFO L130 PetriNetUnfolder]: 51060/103669 cut-off events. [2023-08-29 17:09:37,331 INFO L131 PetriNetUnfolder]: For 853595/879795 co-relation queries the response was YES. [2023-08-29 17:09:38,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505826 conditions, 103669 events. 51060/103669 cut-off events. For 853595/879795 co-relation queries the response was YES. Maximal size of possible extension queue 1838. Compared 1076068 event pairs, 4906 based on Foata normal form. 13312/108637 useless extension candidates. Maximal degree in co-relation 505772. Up to 38223 conditions per place. [2023-08-29 17:09:38,893 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1741 selfloop transitions, 3207 changer transitions 0/5079 dead transitions. [2023-08-29 17:09:38,893 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 5079 transitions, 102994 flow [2023-08-29 17:09:38,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:09:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:09:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-29 17:09:38,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-29 17:09:38,901 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-29 17:09:38,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-29 17:09:38,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:09:38,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-29 17:09:38,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 636.5555555555555) internal successors, (5729), 9 states have internal predecessors, (5729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:09:38,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:09:38,915 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1274.0) internal successors, (12740), 10 states have internal predecessors, (12740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:09:38,915 INFO L175 Difference]: Start difference. First operand has 242 places, 4058 transitions, 78283 flow. Second operand 9 states and 5729 transitions. [2023-08-29 17:09:38,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 5079 transitions, 102994 flow [2023-08-29 17:09:52,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 5079 transitions, 101937 flow, removed 400 selfloop flow, removed 2 redundant places. [2023-08-29 17:09:52,245 INFO L231 Difference]: Finished difference. Result has 253 places, 4673 transitions, 99654 flow [2023-08-29 17:09:52,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1274, PETRI_DIFFERENCE_MINUEND_FLOW=77244, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=4058, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2682, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=99654, PETRI_PLACES=253, PETRI_TRANSITIONS=4673} [2023-08-29 17:09:52,249 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 84 predicate places. [2023-08-29 17:09:52,249 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 4673 transitions, 99654 flow [2023-08-29 17:09:52,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 600.1111111111111) internal successors, (5401), 9 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:09:52,250 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:09:52,250 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:09:52,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 17:09:52,250 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_write_nvramErr8ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-08-29 17:09:52,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:09:52,251 INFO L85 PathProgramCache]: Analyzing trace with hash 957767831, now seen corresponding path program 1 times [2023-08-29 17:09:52,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:09:52,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935100558] [2023-08-29 17:09:52,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:09:52,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:09:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:09:53,443 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 17:09:53,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:09:53,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935100558] [2023-08-29 17:09:53,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935100558] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:09:53,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:09:53,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:09:53,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332415935] [2023-08-29 17:09:53,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:09:53,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 17:09:53,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:09:53,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 17:09:53,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-29 17:09:54,028 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 1274 [2023-08-29 17:09:54,031 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 4673 transitions, 99654 flow. Second operand has 10 states, 10 states have (on average 549.6) internal successors, (5496), 10 states have internal predecessors, (5496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:09:54,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:09:54,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 1274 [2023-08-29 17:09:54,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand