./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 AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_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 AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:26:48,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:26:48,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:26:48,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:26:48,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:26:48,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:26:48,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:26:48,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:26:48,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:26:48,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:26:48,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:26:48,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:26:48,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:26:48,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:26:48,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:26:48,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:26:48,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:26:48,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:26:48,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:26:48,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:26:48,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:26:48,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:26:48,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:26:48,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:26:48,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:26:48,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:26:48,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:26:48,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:26:48,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:26:48,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:26:48,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:26:48,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:26:48,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:26:48,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:26:48,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:26:48,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:26:48,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:26:48,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:26:48,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:26:48,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:26:48,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:26:48,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:26:48,735 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:26:48,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:26:48,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:26:48,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:26:48,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:26:48,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:26:48,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:26:48,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:26:48,737 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:26:48,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:26:48,738 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:26:48,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:26:48,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:26:48,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:26:48,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:26:48,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:26:48,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:26:48,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:26:48,739 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:26:48,739 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:26:48,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:26:48,740 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:26:48,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:26:48,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:26:48,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:26:48,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:26:48,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:26:48,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:26:48,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:26:48,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:26:48,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:26:48,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:26:48,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:26:48,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:26:48,742 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:26:48,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:26:48,742 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:26:48,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:26:48,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:26:48,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:26:48,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:26:48,972 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:26:48,972 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:26:48,973 INFO L432 ainManager$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 01:26:49,850 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:26:50,264 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:26:50,265 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-08-29 01:26:50,292 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d21fbe1/38c0ce13ccec489baba75b2aecff4ebe/FLAG1bce994f7 [2023-08-29 01:26:50,306 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d21fbe1/38c0ce13ccec489baba75b2aecff4ebe [2023-08-29 01:26:50,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:26:50,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:26:50,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:26:50,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:26:50,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:26:50,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:26:50" (1/1) ... [2023-08-29 01:26:50,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71867e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:50, skipping insertion in model container [2023-08-29 01:26:50,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:26:50" (1/1) ... [2023-08-29 01:26:50,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:26:50,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:26:50,673 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 01:26:52,470 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:26:52,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:26:52,811 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:26:52,820 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 01:26:53,023 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:26:53,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:26:53,510 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:26:53,514 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:26:53,514 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:26:53,514 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:26:53,514 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:26:53,514 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:26:53,514 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:26:53,519 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:26:53,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53 WrapperNode [2023-08-29 01:26:53,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:26:53,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:26:53,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:26:53,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:26:53,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,721 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 18, statements flattened = 564 [2023-08-29 01:26:53,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:26:53,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:26:53,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:26:53,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:26:53,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,778 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:26:53,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:26:53,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:26:53,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:26:53,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (1/1) ... [2023-08-29 01:26:53,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:26:53,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:26:53,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:26:53,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:26:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:26:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-08-29 01:26:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-08-29 01:26:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:26:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:26:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-08-29 01:26:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-08-29 01:26:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:26:53,854 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:26:54,191 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:26:54,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:26:54,771 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:26:54,782 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:26:54,782 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 01:26:54,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:26:54 BoogieIcfgContainer [2023-08-29 01:26:54,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:26:54,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:26:54,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:26:54,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:26:54,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:26:50" (1/3) ... [2023-08-29 01:26:54,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247f30c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:26:54, skipping insertion in model container [2023-08-29 01:26:54,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:26:53" (2/3) ... [2023-08-29 01:26:54,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@247f30c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:26:54, skipping insertion in model container [2023-08-29 01:26:54,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:26:54" (3/3) ... [2023-08-29 01:26:54,790 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2023-08-29 01:26:54,795 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:26:54,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:26:54,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-08-29 01:26:54,802 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:26:54,961 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:26:55,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 628 places, 638 transitions, 1292 flow [2023-08-29 01:26:55,148 INFO L130 PetriNetUnfolder]: 17/636 cut-off events. [2023-08-29 01:26:55,149 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:26:55,158 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 01:26:55,158 INFO L82 GeneralOperation]: Start removeDead. Operand has 628 places, 638 transitions, 1292 flow [2023-08-29 01:26:55,165 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 618 places, 628 transitions, 1265 flow [2023-08-29 01:26:55,167 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:26:55,173 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 618 places, 628 transitions, 1265 flow [2023-08-29 01:26:55,175 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 618 places, 628 transitions, 1265 flow [2023-08-29 01:26:55,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 618 places, 628 transitions, 1265 flow [2023-08-29 01:26:55,296 INFO L130 PetriNetUnfolder]: 17/628 cut-off events. [2023-08-29 01:26:55,297 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:26:55,302 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 01:26:55,319 INFO L119 LiptonReduction]: Number of co-enabled transitions 58626 [2023-08-29 01:30:20,335 WARN L222 SmtUtils]: Spent 2.57m 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 01:31:27,541 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 01:34:04,238 WARN L222 SmtUtils]: Spent 2.61m 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 01:35:24,864 WARN L222 SmtUtils]: Spent 1.34m 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 01:35:24,893 INFO L134 LiptonReduction]: Checked pairs total: 328488 [2023-08-29 01:35:24,893 INFO L136 LiptonReduction]: Total number of compositions: 636 [2023-08-29 01:35:24,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:35:24,905 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;@5b800ebb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:35:24,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2023-08-29 01:35:24,907 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:35:24,907 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:35:24,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:24,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:35:24,908 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 01:35:24,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:24,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2306, now seen corresponding path program 1 times [2023-08-29 01:35:24,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:24,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036567719] [2023-08-29 01:35:24,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:25,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:25,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:25,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036567719] [2023-08-29 01:35:25,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036567719] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:25,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:25,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:35:25,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751294348] [2023-08-29 01:35:25,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:25,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:35:25,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:25,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:35:25,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:35:25,092 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 627 out of 1274 [2023-08-29 01:35:25,096 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 01:35:25,096 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:25,096 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 627 of 1274 [2023-08-29 01:35:25,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:25,601 INFO L130 PetriNetUnfolder]: 735/2620 cut-off events. [2023-08-29 01:35:25,602 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2023-08-29 01:35:25,606 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 01:35:25,616 INFO L137 encePairwiseOnDemand]: 1245/1274 looper letters, 40 selfloop transitions, 0 changer transitions 0/147 dead transitions. [2023-08-29 01:35:25,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 147 transitions, 383 flow [2023-08-29 01:35:25,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:35:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:35:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1323 transitions. [2023-08-29 01:35:25,632 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5192307692307693 [2023-08-29 01:35:25,632 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1323 transitions. [2023-08-29 01:35:25,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1323 transitions. [2023-08-29 01:35:25,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:25,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1323 transitions. [2023-08-29 01:35:25,643 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 01:35:25,650 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 01:35:25,651 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 01:35:25,653 INFO L175 Difference]: Start difference. First operand has 169 places, 176 transitions, 361 flow. Second operand 2 states and 1323 transitions. [2023-08-29 01:35:25,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 147 transitions, 383 flow [2023-08-29 01:35:25,656 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 01:35:25,659 INFO L231 Difference]: Finished difference. Result has 142 places, 147 transitions, 298 flow [2023-08-29 01:35:25,660 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 01:35:25,663 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -27 predicate places. [2023-08-29 01:35:25,663 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 147 transitions, 298 flow [2023-08-29 01:35:25,667 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 01:35:25,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:25,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 01:35:25,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:35:25,668 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 01:35:25,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:25,673 INFO L85 PathProgramCache]: Analyzing trace with hash 71112539, now seen corresponding path program 1 times [2023-08-29 01:35:25,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:25,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128129205] [2023-08-29 01:35:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:25,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:25,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:25,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128129205] [2023-08-29 01:35:25,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128129205] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:25,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:25,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:35:25,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337303820] [2023-08-29 01:35:25,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:25,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:35:25,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:25,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:35:25,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:35:25,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 1274 [2023-08-29 01:35:25,986 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 01:35:25,986 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:25,986 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 1274 [2023-08-29 01:35:25,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:26,331 INFO L130 PetriNetUnfolder]: 833/2902 cut-off events. [2023-08-29 01:35:26,332 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-29 01:35:26,355 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 01:35:26,362 INFO L137 encePairwiseOnDemand]: 1270/1274 looper letters, 45 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2023-08-29 01:35:26,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 150 transitions, 400 flow [2023-08-29 01:35:26,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:35:26,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:35:26,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1909 transitions. [2023-08-29 01:35:26,366 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.499476713762428 [2023-08-29 01:35:26,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1909 transitions. [2023-08-29 01:35:26,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1909 transitions. [2023-08-29 01:35:26,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:26,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1909 transitions. [2023-08-29 01:35:26,370 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 01:35:26,374 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 01:35:26,376 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 01:35:26,376 INFO L175 Difference]: Start difference. First operand has 142 places, 147 transitions, 298 flow. Second operand 3 states and 1909 transitions. [2023-08-29 01:35:26,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 150 transitions, 400 flow [2023-08-29 01:35:26,377 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 01:35:26,379 INFO L231 Difference]: Finished difference. Result has 143 places, 147 transitions, 308 flow [2023-08-29 01:35:26,379 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 01:35:26,380 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-29 01:35:26,380 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 147 transitions, 308 flow [2023-08-29 01:35:26,381 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 01:35:26,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:26,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:35:26,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:35:26,381 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 01:35:26,382 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:26,382 INFO L85 PathProgramCache]: Analyzing trace with hash -380277251, now seen corresponding path program 1 times [2023-08-29 01:35:26,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:26,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998077762] [2023-08-29 01:35:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:26,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:26,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998077762] [2023-08-29 01:35:26,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998077762] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:26,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:26,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:35:26,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84402264] [2023-08-29 01:35:26,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:26,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:35:26,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:26,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:35:26,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:35:26,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 1274 [2023-08-29 01:35:26,480 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 01:35:26,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:26,480 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 1274 [2023-08-29 01:35:26,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:26,811 INFO L130 PetriNetUnfolder]: 937/3223 cut-off events. [2023-08-29 01:35:26,811 INFO L131 PetriNetUnfolder]: For 69/95 co-relation queries the response was YES. [2023-08-29 01:35:26,815 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 01:35:26,823 INFO L137 encePairwiseOnDemand]: 1271/1274 looper letters, 45 selfloop transitions, 1 changer transitions 0/145 dead transitions. [2023-08-29 01:35:26,823 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 396 flow [2023-08-29 01:35:26,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:35:26,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:35:26,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1897 transitions. [2023-08-29 01:35:26,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49633699633699635 [2023-08-29 01:35:26,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1897 transitions. [2023-08-29 01:35:26,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1897 transitions. [2023-08-29 01:35:26,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:26,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1897 transitions. [2023-08-29 01:35:26,831 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 01:35:26,835 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 01:35:26,837 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 01:35:26,837 INFO L175 Difference]: Start difference. First operand has 143 places, 147 transitions, 308 flow. Second operand 3 states and 1897 transitions. [2023-08-29 01:35:26,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 396 flow [2023-08-29 01:35:26,839 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 01:35:26,840 INFO L231 Difference]: Finished difference. Result has 143 places, 145 transitions, 306 flow [2023-08-29 01:35:26,840 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 01:35:26,841 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-29 01:35:26,841 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 145 transitions, 306 flow [2023-08-29 01:35:26,842 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 01:35:26,842 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:26,842 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:35:26,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:35:26,843 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 01:35:26,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash -374168449, now seen corresponding path program 1 times [2023-08-29 01:35:26,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:26,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112770406] [2023-08-29 01:35:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:26,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:26,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:26,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112770406] [2023-08-29 01:35:26,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112770406] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:26,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:26,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:35:26,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171213759] [2023-08-29 01:35:26,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:26,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:35:26,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:26,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:35:26,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:35:26,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 1274 [2023-08-29 01:35:26,957 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 01:35:26,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:26,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 1274 [2023-08-29 01:35:26,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:27,290 INFO L130 PetriNetUnfolder]: 833/2805 cut-off events. [2023-08-29 01:35:27,291 INFO L131 PetriNetUnfolder]: For 64/70 co-relation queries the response was YES. [2023-08-29 01:35:27,295 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 01:35:27,302 INFO L137 encePairwiseOnDemand]: 1270/1274 looper letters, 49 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2023-08-29 01:35:27,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 150 transitions, 424 flow [2023-08-29 01:35:27,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:35:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:35:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1911 transitions. [2023-08-29 01:35:27,306 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-08-29 01:35:27,306 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1911 transitions. [2023-08-29 01:35:27,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1911 transitions. [2023-08-29 01:35:27,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:27,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1911 transitions. [2023-08-29 01:35:27,309 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 01:35:27,314 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 01:35:27,315 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 01:35:27,316 INFO L175 Difference]: Start difference. First operand has 143 places, 145 transitions, 306 flow. Second operand 3 states and 1911 transitions. [2023-08-29 01:35:27,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 150 transitions, 424 flow [2023-08-29 01:35:27,317 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 01:35:27,318 INFO L231 Difference]: Finished difference. Result has 143 places, 145 transitions, 315 flow [2023-08-29 01:35:27,318 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 01:35:27,319 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-29 01:35:27,319 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 145 transitions, 315 flow [2023-08-29 01:35:27,320 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 01:35:27,320 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:27,320 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:35:27,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:35:27,320 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 01:35:27,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:27,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1105142822, now seen corresponding path program 1 times [2023-08-29 01:35:27,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:27,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552762236] [2023-08-29 01:35:27,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:27,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:27,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:27,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552762236] [2023-08-29 01:35:27,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552762236] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:27,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:27,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:35:27,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754348709] [2023-08-29 01:35:27,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:27,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:35:27,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:27,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:35:27,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:35:28,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1274 [2023-08-29 01:35:28,370 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 01:35:28,371 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:28,371 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1274 [2023-08-29 01:35:28,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:30,246 INFO L130 PetriNetUnfolder]: 9912/18754 cut-off events. [2023-08-29 01:35:30,246 INFO L131 PetriNetUnfolder]: For 402/402 co-relation queries the response was YES. [2023-08-29 01:35:30,270 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 01:35:30,325 INFO L137 encePairwiseOnDemand]: 1252/1274 looper letters, 195 selfloop transitions, 69 changer transitions 0/347 dead transitions. [2023-08-29 01:35:30,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 347 transitions, 1288 flow [2023-08-29 01:35:30,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:35:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:35:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3867 transitions. [2023-08-29 01:35:30,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5058869701726845 [2023-08-29 01:35:30,339 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3867 transitions. [2023-08-29 01:35:30,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3867 transitions. [2023-08-29 01:35:30,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:30,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3867 transitions. [2023-08-29 01:35:30,347 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 01:35:30,355 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 01:35:30,365 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 01:35:30,365 INFO L175 Difference]: Start difference. First operand has 143 places, 145 transitions, 315 flow. Second operand 6 states and 3867 transitions. [2023-08-29 01:35:30,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 347 transitions, 1288 flow [2023-08-29 01:35:30,367 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 01:35:30,370 INFO L231 Difference]: Finished difference. Result has 153 places, 213 transitions, 769 flow [2023-08-29 01:35:30,370 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 01:35:30,371 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -16 predicate places. [2023-08-29 01:35:30,372 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 213 transitions, 769 flow [2023-08-29 01:35:30,373 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 01:35:30,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:30,373 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 01:35:30,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:35:30,374 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 01:35:30,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:30,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1255252709, now seen corresponding path program 1 times [2023-08-29 01:35:30,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:30,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037821920] [2023-08-29 01:35:30,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:30,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:31,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:31,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:31,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037821920] [2023-08-29 01:35:31,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037821920] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:31,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:31,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:35:31,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607337674] [2023-08-29 01:35:31,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:31,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:35:31,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:31,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:35:31,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:35:32,347 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 1274 [2023-08-29 01:35:32,350 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 01:35:32,350 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:32,350 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 1274 [2023-08-29 01:35:32,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:35,693 INFO L130 PetriNetUnfolder]: 15871/31469 cut-off events. [2023-08-29 01:35:35,693 INFO L131 PetriNetUnfolder]: For 15095/15915 co-relation queries the response was YES. [2023-08-29 01:35:35,771 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 01:35:35,969 INFO L137 encePairwiseOnDemand]: 1235/1274 looper letters, 308 selfloop transitions, 352 changer transitions 0/725 dead transitions. [2023-08-29 01:35:35,969 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 725 transitions, 4316 flow [2023-08-29 01:35:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:35:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:35:35,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 6117 transitions. [2023-08-29 01:35:35,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4801412872841444 [2023-08-29 01:35:35,981 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 6117 transitions. [2023-08-29 01:35:35,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 6117 transitions. [2023-08-29 01:35:35,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:35,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 6117 transitions. [2023-08-29 01:35:35,991 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 01:35:36,003 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 01:35:36,006 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 01:35:36,006 INFO L175 Difference]: Start difference. First operand has 153 places, 213 transitions, 769 flow. Second operand 10 states and 6117 transitions. [2023-08-29 01:35:36,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 725 transitions, 4316 flow [2023-08-29 01:35:36,130 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 01:35:36,139 INFO L231 Difference]: Finished difference. Result has 171 places, 563 transitions, 4193 flow [2023-08-29 01:35:36,140 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 01:35:36,142 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 2 predicate places. [2023-08-29 01:35:36,142 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 563 transitions, 4193 flow [2023-08-29 01:35:36,144 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 01:35:36,144 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:36,144 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 01:35:36,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:35:36,144 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 01:35:36,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:36,145 INFO L85 PathProgramCache]: Analyzing trace with hash -587905657, now seen corresponding path program 1 times [2023-08-29 01:35:36,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:36,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180548734] [2023-08-29 01:35:36,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:36,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:36,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:36,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180548734] [2023-08-29 01:35:36,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180548734] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:36,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:36,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:35:36,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976091249] [2023-08-29 01:35:36,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:36,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:35:36,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:36,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:35:36,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:35:36,267 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1274 [2023-08-29 01:35:36,269 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 01:35:36,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:36,269 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1274 [2023-08-29 01:35:36,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:38,856 INFO L130 PetriNetUnfolder]: 9372/23411 cut-off events. [2023-08-29 01:35:38,856 INFO L131 PetriNetUnfolder]: For 19643/20998 co-relation queries the response was YES. [2023-08-29 01:35:38,916 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 01:35:38,974 INFO L137 encePairwiseOnDemand]: 1268/1274 looper letters, 112 selfloop transitions, 2 changer transitions 0/574 dead transitions. [2023-08-29 01:35:38,974 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 574 transitions, 4450 flow [2023-08-29 01:35:38,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:35:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:35:38,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1891 transitions. [2023-08-29 01:35:38,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4947671376242805 [2023-08-29 01:35:38,978 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1891 transitions. [2023-08-29 01:35:38,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1891 transitions. [2023-08-29 01:35:38,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:38,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1891 transitions. [2023-08-29 01:35:38,981 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 01:35:38,984 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 01:35:38,985 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 01:35:38,985 INFO L175 Difference]: Start difference. First operand has 171 places, 563 transitions, 4193 flow. Second operand 3 states and 1891 transitions. [2023-08-29 01:35:38,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 574 transitions, 4450 flow [2023-08-29 01:35:39,094 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 01:35:39,099 INFO L231 Difference]: Finished difference. Result has 170 places, 561 transitions, 4199 flow [2023-08-29 01:35:39,100 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 01:35:39,100 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 1 predicate places. [2023-08-29 01:35:39,100 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 561 transitions, 4199 flow [2023-08-29 01:35:39,101 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 01:35:39,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:39,101 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 01:35:39,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:35:39,101 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 01:35:39,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:39,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1476115687, now seen corresponding path program 1 times [2023-08-29 01:35:39,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:39,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189331858] [2023-08-29 01:35:39,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:39,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:40,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:40,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189331858] [2023-08-29 01:35:40,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189331858] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:40,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:40,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:35:40,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112295612] [2023-08-29 01:35:40,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:40,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:35:40,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:40,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:35:40,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:35:40,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 1274 [2023-08-29 01:35:41,004 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 01:35:41,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:41,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 1274 [2023-08-29 01:35:41,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:46,512 INFO L130 PetriNetUnfolder]: 23159/44958 cut-off events. [2023-08-29 01:35:46,512 INFO L131 PetriNetUnfolder]: For 51467/53364 co-relation queries the response was YES. [2023-08-29 01:35:46,726 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 01:35:47,097 INFO L137 encePairwiseOnDemand]: 1235/1274 looper letters, 656 selfloop transitions, 432 changer transitions 0/1174 dead transitions. [2023-08-29 01:35:47,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 1174 transitions, 9589 flow [2023-08-29 01:35:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 01:35:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 01:35:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 6122 transitions. [2023-08-29 01:35:47,108 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4805337519623234 [2023-08-29 01:35:47,108 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 6122 transitions. [2023-08-29 01:35:47,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 6122 transitions. [2023-08-29 01:35:47,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:47,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 6122 transitions. [2023-08-29 01:35:47,118 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 01:35:47,130 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 01:35:47,132 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 01:35:47,132 INFO L175 Difference]: Start difference. First operand has 170 places, 561 transitions, 4199 flow. Second operand 10 states and 6122 transitions. [2023-08-29 01:35:47,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 1174 transitions, 9589 flow [2023-08-29 01:35:47,429 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 01:35:47,438 INFO L231 Difference]: Finished difference. Result has 188 places, 991 transitions, 8891 flow [2023-08-29 01:35:47,438 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 01:35:47,439 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 19 predicate places. [2023-08-29 01:35:47,439 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 991 transitions, 8891 flow [2023-08-29 01:35:47,440 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 01:35:47,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:47,440 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 01:35:47,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:35:47,440 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 01:35:47,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:47,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1677529326, now seen corresponding path program 1 times [2023-08-29 01:35:47,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:47,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422271010] [2023-08-29 01:35:47,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:47,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:47,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422271010] [2023-08-29 01:35:47,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422271010] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:47,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:47,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:35:47,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369660880] [2023-08-29 01:35:47,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:47,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:35:47,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:47,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:35:47,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:35:48,283 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1274 [2023-08-29 01:35:48,285 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 01:35:48,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:48,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1274 [2023-08-29 01:35:48,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:35:53,958 INFO L130 PetriNetUnfolder]: 17863/38412 cut-off events. [2023-08-29 01:35:53,958 INFO L131 PetriNetUnfolder]: For 77785/80257 co-relation queries the response was YES. [2023-08-29 01:35:54,125 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 01:35:54,235 INFO L137 encePairwiseOnDemand]: 1260/1274 looper letters, 903 selfloop transitions, 137 changer transitions 24/1195 dead transitions. [2023-08-29 01:35:54,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 1195 transitions, 12355 flow [2023-08-29 01:35:54,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:35:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:35:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3769 transitions. [2023-08-29 01:35:54,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49306645735217164 [2023-08-29 01:35:54,241 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3769 transitions. [2023-08-29 01:35:54,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3769 transitions. [2023-08-29 01:35:54,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:35:54,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3769 transitions. [2023-08-29 01:35:54,247 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 01:35:54,252 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 01:35:54,253 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 01:35:54,253 INFO L175 Difference]: Start difference. First operand has 188 places, 991 transitions, 8891 flow. Second operand 6 states and 3769 transitions. [2023-08-29 01:35:54,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 1195 transitions, 12355 flow [2023-08-29 01:35:54,598 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 01:35:54,610 INFO L231 Difference]: Finished difference. Result has 198 places, 1127 transitions, 10659 flow [2023-08-29 01:35:54,610 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 01:35:54,610 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 29 predicate places. [2023-08-29 01:35:54,611 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 1127 transitions, 10659 flow [2023-08-29 01:35:54,611 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 01:35:54,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:35:54,611 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 01:35:54,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:35:54,612 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 01:35:54,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:35:54,612 INFO L85 PathProgramCache]: Analyzing trace with hash -294854209, now seen corresponding path program 1 times [2023-08-29 01:35:54,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:35:54,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755414233] [2023-08-29 01:35:54,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:35:54,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:35:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:35:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:35:56,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:35:56,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755414233] [2023-08-29 01:35:56,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755414233] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:35:56,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:35:56,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:35:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173975470] [2023-08-29 01:35:56,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:35:56,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:35:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:35:56,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:35:56,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:35:57,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 01:35:57,715 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 01:35:57,715 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:35:57,715 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 01:35:57,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:36:07,604 INFO L130 PetriNetUnfolder]: 32426/63625 cut-off events. [2023-08-29 01:36:07,604 INFO L131 PetriNetUnfolder]: For 122809/131426 co-relation queries the response was YES. [2023-08-29 01:36:08,009 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 01:36:08,192 INFO L137 encePairwiseOnDemand]: 1257/1274 looper letters, 1382 selfloop transitions, 776 changer transitions 0/2289 dead transitions. [2023-08-29 01:36:08,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 2289 transitions, 24614 flow [2023-08-29 01:36:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:36:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:36:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5683 transitions. [2023-08-29 01:36:08,198 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49563928135356705 [2023-08-29 01:36:08,198 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5683 transitions. [2023-08-29 01:36:08,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5683 transitions. [2023-08-29 01:36:08,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:36:08,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5683 transitions. [2023-08-29 01:36:08,206 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 01:36:08,213 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 01:36:08,213 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 01:36:08,214 INFO L175 Difference]: Start difference. First operand has 198 places, 1127 transitions, 10659 flow. Second operand 9 states and 5683 transitions. [2023-08-29 01:36:08,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 2289 transitions, 24614 flow [2023-08-29 01:36:09,166 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 01:36:09,188 INFO L231 Difference]: Finished difference. Result has 212 places, 1796 transitions, 20997 flow [2023-08-29 01:36:09,189 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 01:36:09,189 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 43 predicate places. [2023-08-29 01:36:09,190 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 1796 transitions, 20997 flow [2023-08-29 01:36:09,190 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 01:36:09,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:36:09,190 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 01:36:09,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:36:09,191 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 01:36:09,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:36:09,191 INFO L85 PathProgramCache]: Analyzing trace with hash 96779335, now seen corresponding path program 2 times [2023-08-29 01:36:09,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:36:09,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142956913] [2023-08-29 01:36:09,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:36:09,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:36:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:36:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:36:10,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:36:10,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142956913] [2023-08-29 01:36:10,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142956913] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:36:10,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:36:10,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:36:10,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326621539] [2023-08-29 01:36:10,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:36:10,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:36:10,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:36:10,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:36:10,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:36:11,159 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 01:36:11,162 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 01:36:11,162 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:36:11,162 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 01:36:11,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:36:25,073 INFO L130 PetriNetUnfolder]: 35889/71629 cut-off events. [2023-08-29 01:36:25,073 INFO L131 PetriNetUnfolder]: For 239707/257994 co-relation queries the response was YES. [2023-08-29 01:36:25,870 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 01:36:26,076 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 956 selfloop transitions, 1447 changer transitions 0/2534 dead transitions. [2023-08-29 01:36:26,076 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 2534 transitions, 33449 flow [2023-08-29 01:36:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:36:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:36:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5086 transitions. [2023-08-29 01:36:26,081 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49901883830455257 [2023-08-29 01:36:26,081 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 5086 transitions. [2023-08-29 01:36:26,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 5086 transitions. [2023-08-29 01:36:26,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:36:26,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 5086 transitions. [2023-08-29 01:36:26,086 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 01:36:26,092 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 01:36:26,093 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 01:36:26,093 INFO L175 Difference]: Start difference. First operand has 212 places, 1796 transitions, 20997 flow. Second operand 8 states and 5086 transitions. [2023-08-29 01:36:26,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 2534 transitions, 33449 flow [2023-08-29 01:36:29,649 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 01:36:29,683 INFO L231 Difference]: Finished difference. Result has 221 places, 2290 transitions, 33103 flow [2023-08-29 01:36:29,684 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 01:36:29,684 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 52 predicate places. [2023-08-29 01:36:29,685 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 2290 transitions, 33103 flow [2023-08-29 01:36:29,685 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 01:36:29,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:36:29,686 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 01:36:29,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:36:29,686 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 01:36:29,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:36:29,686 INFO L85 PathProgramCache]: Analyzing trace with hash 943614133, now seen corresponding path program 3 times [2023-08-29 01:36:29,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:36:29,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201332858] [2023-08-29 01:36:29,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:36:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:36:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:36:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:36:30,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:36:30,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201332858] [2023-08-29 01:36:30,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201332858] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:36:30,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:36:30,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:36:30,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928138655] [2023-08-29 01:36:30,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:36:30,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:36:30,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:36:30,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:36:30,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:36:31,546 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 01:36:31,549 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 01:36:31,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:36:31,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 01:36:31,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:36:51,970 INFO L130 PetriNetUnfolder]: 45134/90360 cut-off events. [2023-08-29 01:36:51,970 INFO L131 PetriNetUnfolder]: For 431457/455885 co-relation queries the response was YES. [2023-08-29 01:36:52,830 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 01:36:53,113 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1302 selfloop transitions, 2454 changer transitions 0/3887 dead transitions. [2023-08-29 01:36:53,114 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 3887 transitions, 60954 flow [2023-08-29 01:36:53,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:36:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:36:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-29 01:36:53,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-29 01:36:53,120 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-29 01:36:53,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-29 01:36:53,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:36:53,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-29 01:36:53,125 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 01:36:53,130 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 01:36:53,131 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 01:36:53,131 INFO L175 Difference]: Start difference. First operand has 221 places, 2290 transitions, 33103 flow. Second operand 9 states and 5729 transitions. [2023-08-29 01:36:53,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 3887 transitions, 60954 flow [2023-08-29 01:36:59,169 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 01:36:59,212 INFO L231 Difference]: Finished difference. Result has 231 places, 3400 transitions, 57388 flow [2023-08-29 01:36:59,214 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 01:36:59,215 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 62 predicate places. [2023-08-29 01:36:59,215 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 3400 transitions, 57388 flow [2023-08-29 01:36:59,215 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 01:36:59,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:36:59,216 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 01:36:59,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 01:36:59,216 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 01:36:59,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:36:59,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2049766955, now seen corresponding path program 4 times [2023-08-29 01:36:59,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:36:59,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363952098] [2023-08-29 01:36:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:36:59,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:36:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:37:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:37:00,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:37:00,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363952098] [2023-08-29 01:37:00,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363952098] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:37:00,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:37:00,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:37:00,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794533518] [2023-08-29 01:37:00,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:37:00,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:37:00,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:37:00,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:37:00,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:37:01,100 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 01:37:01,102 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 01:37:01,102 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:37:01,102 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 01:37:01,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:37:30,978 INFO L130 PetriNetUnfolder]: 50052/101687 cut-off events. [2023-08-29 01:37:30,978 INFO L131 PetriNetUnfolder]: For 638012/662848 co-relation queries the response was YES. [2023-08-29 01:37:31,998 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 01:37:32,335 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1574 selfloop transitions, 2686 changer transitions 0/4391 dead transitions. [2023-08-29 01:37:32,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 4391 transitions, 79832 flow [2023-08-29 01:37:32,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:37:32,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:37:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-29 01:37:32,342 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-29 01:37:32,342 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-29 01:37:32,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-29 01:37:32,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:37:32,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-29 01:37:32,347 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 01:37:32,352 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 01:37:32,353 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 01:37:32,353 INFO L175 Difference]: Start difference. First operand has 231 places, 3400 transitions, 57388 flow. Second operand 9 states and 5729 transitions. [2023-08-29 01:37:32,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 4391 transitions, 79832 flow [2023-08-29 01:37:45,371 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 01:37:45,472 INFO L231 Difference]: Finished difference. Result has 242 places, 4058 transitions, 78283 flow [2023-08-29 01:37:45,474 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 01:37:45,474 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 73 predicate places. [2023-08-29 01:37:45,475 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 4058 transitions, 78283 flow [2023-08-29 01:37:45,475 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 01:37:45,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:37:45,475 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 01:37:45,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 01:37:45,475 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 01:37:45,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:37:45,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1286403155, now seen corresponding path program 5 times [2023-08-29 01:37:45,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:37:45,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685813722] [2023-08-29 01:37:45,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:37:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:37:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:37:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:37:46,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:37:46,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685813722] [2023-08-29 01:37:46,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685813722] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:37:46,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:37:46,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:37:46,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953907734] [2023-08-29 01:37:46,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:37:46,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:37:46,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:37:46,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:37:46,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:37:47,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-29 01:37:47,247 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 01:37:47,247 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:37:47,247 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-29 01:37:47,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:38:23,041 INFO L130 PetriNetUnfolder]: 51060/103669 cut-off events. [2023-08-29 01:38:23,041 INFO L131 PetriNetUnfolder]: For 853595/879795 co-relation queries the response was YES. [2023-08-29 01:38:24,343 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 01:38:24,698 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1741 selfloop transitions, 3207 changer transitions 0/5079 dead transitions. [2023-08-29 01:38:24,698 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 5079 transitions, 102994 flow [2023-08-29 01:38:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 01:38:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 01:38:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-29 01:38:24,704 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-29 01:38:24,704 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-29 01:38:24,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-29 01:38:24,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:38:24,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-29 01:38:24,710 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 01:38:24,715 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 01:38:24,715 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 01:38:24,715 INFO L175 Difference]: Start difference. First operand has 242 places, 4058 transitions, 78283 flow. Second operand 9 states and 5729 transitions. [2023-08-29 01:38:24,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 5079 transitions, 102994 flow [2023-08-29 01:38:40,986 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 01:38:41,057 INFO L231 Difference]: Finished difference. Result has 253 places, 4673 transitions, 99654 flow [2023-08-29 01:38:41,060 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 01:38:41,061 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 84 predicate places. [2023-08-29 01:38:41,061 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 4673 transitions, 99654 flow [2023-08-29 01:38:41,061 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 01:38:41,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:38:41,062 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 01:38:41,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-29 01:38:41,062 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 01:38:41,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:38:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash 957767831, now seen corresponding path program 1 times [2023-08-29 01:38:41,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:38:41,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647402998] [2023-08-29 01:38:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:38:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:38:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:38:42,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:38:42,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:38:42,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647402998] [2023-08-29 01:38:42,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647402998] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:38:42,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:38:42,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 01:38:42,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652732986] [2023-08-29 01:38:42,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:38:42,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-29 01:38:42,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:38:42,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-29 01:38:42,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-29 01:38:42,594 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 1274 [2023-08-29 01:38:42,597 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 01:38:42,597 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:38:42,597 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 1274 [2023-08-29 01:38:42,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Killed by 15