./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 BEFORE --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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 19:22:59,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:22:59,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:22:59,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:22:59,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:22:59,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:22:59,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:22:59,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:22:59,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:22:59,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:22:59,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:22:59,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:22:59,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:22:59,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:22:59,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:22:59,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:22:59,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:22:59,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:22:59,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:22:59,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:22:59,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:22:59,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:22:59,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:22:59,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:22:59,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:22:59,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:22:59,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:22:59,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:22:59,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:22:59,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:22:59,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:22:59,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:22:59,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:22:59,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:22:59,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:22:59,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:22:59,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:22:59,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:22:59,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:22:59,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:22:59,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:22:59,834 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:22:59,866 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:22:59,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:22:59,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:22:59,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:22:59,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:22:59,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:22:59,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:22:59,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:22:59,869 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:22:59,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:22:59,870 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:22:59,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:22:59,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:22:59,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:22:59,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:22:59,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:22:59,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:22:59,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:22:59,872 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:22:59,872 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:22:59,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:22:59,872 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:22:59,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:22:59,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:22:59,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:22:59,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:22:59,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:22:59,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:22:59,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:22:59,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:22:59,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:22:59,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:22:59,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:22:59,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:22:59,875 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:22:59,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:22:59,875 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:22:59,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:23:00,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:23:00,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:23:00,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:23:00,206 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:23:00,206 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:23:00,207 INFO L432 ainManager$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 [2023-08-31 19:23:01,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:23:01,952 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:23:01,952 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-08-31 19:23:01,995 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86090ed48/3c1f990286dc4ab49f4536906f561ada/FLAG10ed30d99 [2023-08-31 19:23:02,017 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86090ed48/3c1f990286dc4ab49f4536906f561ada [2023-08-31 19:23:02,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:23:02,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:23:02,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:23:02,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:23:02,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:23:02,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:23:02" (1/1) ... [2023-08-31 19:23:02,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57895bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:02, skipping insertion in model container [2023-08-31 19:23:02,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:23:02" (1/1) ... [2023-08-31 19:23:02,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:23:02,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:23:02,435 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] [2023-08-31 19:23:04,734 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-31 19:23:05,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:23:05,219 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:23:05,241 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] [2023-08-31 19:23:05,489 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-31 19:23:05,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:23:06,266 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:23:06,267 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:23:06,267 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:23:06,267 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:23:06,267 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:23:06,267 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:23:06,267 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:23:06,274 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:23:06,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06 WrapperNode [2023-08-31 19:23:06,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:23:06,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:23:06,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:23:06,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:23:06,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,449 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 18, statements flattened = 564 [2023-08-31 19:23:06,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:23:06,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:23:06,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:23:06,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:23:06,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:23:06,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:23:06,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:23:06,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:23:06,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (1/1) ... [2023-08-31 19:23:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:23:06,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:23:06,542 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) [2023-08-31 19:23:06,571 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 [2023-08-31 19:23:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 19:23:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 19:23:06,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:23:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:23:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:23:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-31 19:23:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:23:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:23:06,587 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-08-31 19:23:06,587 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-08-31 19:23:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:23:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-31 19:23:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-08-31 19:23:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-08-31 19:23:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 19:23:06,589 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 19:23:07,062 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:23:07,065 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:23:07,754 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:23:07,770 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:23:07,770 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-31 19:23:07,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:23:07 BoogieIcfgContainer [2023-08-31 19:23:07,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:23:07,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:23:07,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:23:07,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:23:07,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:23:02" (1/3) ... [2023-08-31 19:23:07,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46ae6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:23:07, skipping insertion in model container [2023-08-31 19:23:07,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:23:06" (2/3) ... [2023-08-31 19:23:07,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c46ae6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:23:07, skipping insertion in model container [2023-08-31 19:23:07,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:23:07" (3/3) ... [2023-08-31 19:23:07,781 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2023-08-31 19:23:07,788 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:23:07,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:23:07,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-08-31 19:23:07,798 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:23:07,941 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 19:23:07,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 628 places, 638 transitions, 1292 flow [2023-08-31 19:23:08,239 INFO L130 PetriNetUnfolder]: 17/636 cut-off events. [2023-08-31 19:23:08,239 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 19:23:08,250 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. [2023-08-31 19:23:08,251 INFO L82 GeneralOperation]: Start removeDead. Operand has 628 places, 638 transitions, 1292 flow [2023-08-31 19:23:08,259 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 618 places, 628 transitions, 1265 flow [2023-08-31 19:23:08,269 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:23:08,280 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 618 places, 628 transitions, 1265 flow [2023-08-31 19:23:08,286 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 618 places, 628 transitions, 1265 flow [2023-08-31 19:23:08,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 618 places, 628 transitions, 1265 flow [2023-08-31 19:23:08,446 INFO L130 PetriNetUnfolder]: 17/628 cut-off events. [2023-08-31 19:23:08,446 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 19:23:08,452 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. [2023-08-31 19:23:08,477 INFO L119 LiptonReduction]: Number of co-enabled transitions 58626 [2023-08-31 19:26:37,316 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) [2023-08-31 19:27:44,645 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) [2023-08-31 19:30:21,412 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) [2023-08-31 19:31:44,076 WARN L222 SmtUtils]: Spent 1.38m 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) [2023-08-31 19:31:44,112 INFO L134 LiptonReduction]: Checked pairs total: 328488 [2023-08-31 19:31:44,112 INFO L136 LiptonReduction]: Total number of compositions: 636 [2023-08-31 19:31:44,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:31:44,128 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;@6c4b20a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:31:44,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2023-08-31 19:31:44,130 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 19:31:44,130 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:31:44,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:44,131 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 19:31:44,131 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)] === [2023-08-31 19:31:44,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:44,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2306, now seen corresponding path program 1 times [2023-08-31 19:31:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:44,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750210104] [2023-08-31 19:31:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:44,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:31:44,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750210104] [2023-08-31 19:31:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750210104] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:44,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:44,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 19:31:44,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564007388] [2023-08-31 19:31:44,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:44,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 19:31:44,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:44,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 19:31:44,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 19:31:44,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 627 out of 1274 [2023-08-31 19:31:44,355 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) [2023-08-31 19:31:44,355 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:44,355 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 627 of 1274 [2023-08-31 19:31:44,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:44,961 INFO L130 PetriNetUnfolder]: 735/2620 cut-off events. [2023-08-31 19:31:44,961 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2023-08-31 19:31:44,967 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. [2023-08-31 19:31:44,977 INFO L137 encePairwiseOnDemand]: 1245/1274 looper letters, 40 selfloop transitions, 0 changer transitions 0/147 dead transitions. [2023-08-31 19:31:44,978 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 147 transitions, 383 flow [2023-08-31 19:31:44,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 19:31:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 19:31:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1323 transitions. [2023-08-31 19:31:44,994 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5192307692307693 [2023-08-31 19:31:44,995 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1323 transitions. [2023-08-31 19:31:44,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1323 transitions. [2023-08-31 19:31:44,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:45,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1323 transitions. [2023-08-31 19:31:45,005 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) [2023-08-31 19:31:45,013 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) [2023-08-31 19:31:45,015 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) [2023-08-31 19:31:45,017 INFO L175 Difference]: Start difference. First operand has 169 places, 176 transitions, 361 flow. Second operand 2 states and 1323 transitions. [2023-08-31 19:31:45,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 147 transitions, 383 flow [2023-08-31 19:31:45,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 147 transitions, 378 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-31 19:31:45,023 INFO L231 Difference]: Finished difference. Result has 142 places, 147 transitions, 298 flow [2023-08-31 19:31:45,025 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} [2023-08-31 19:31:45,028 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -27 predicate places. [2023-08-31 19:31:45,028 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 147 transitions, 298 flow [2023-08-31 19:31:45,029 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) [2023-08-31 19:31:45,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:45,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 19:31:45,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:31:45,030 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)] === [2023-08-31 19:31:45,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:45,030 INFO L85 PathProgramCache]: Analyzing trace with hash 71112539, now seen corresponding path program 1 times [2023-08-31 19:31:45,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:45,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519450984] [2023-08-31 19:31:45,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:45,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:31:45,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:45,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519450984] [2023-08-31 19:31:45,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519450984] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:45,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:45,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:31:45,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591596155] [2023-08-31 19:31:45,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:45,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:31:45,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:45,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:31:45,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:31:45,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 1274 [2023-08-31 19:31:45,378 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) [2023-08-31 19:31:45,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:45,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 1274 [2023-08-31 19:31:45,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:45,856 INFO L130 PetriNetUnfolder]: 833/2902 cut-off events. [2023-08-31 19:31:45,856 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-31 19:31:45,862 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. [2023-08-31 19:31:45,873 INFO L137 encePairwiseOnDemand]: 1270/1274 looper letters, 45 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2023-08-31 19:31:45,874 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 150 transitions, 400 flow [2023-08-31 19:31:45,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:31:45,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:31:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1909 transitions. [2023-08-31 19:31:45,879 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.499476713762428 [2023-08-31 19:31:45,879 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1909 transitions. [2023-08-31 19:31:45,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1909 transitions. [2023-08-31 19:31:45,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:45,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1909 transitions. [2023-08-31 19:31:45,884 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) [2023-08-31 19:31:45,891 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) [2023-08-31 19:31:45,893 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) [2023-08-31 19:31:45,894 INFO L175 Difference]: Start difference. First operand has 142 places, 147 transitions, 298 flow. Second operand 3 states and 1909 transitions. [2023-08-31 19:31:45,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 150 transitions, 400 flow [2023-08-31 19:31:45,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 150 transitions, 400 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:31:45,897 INFO L231 Difference]: Finished difference. Result has 143 places, 147 transitions, 308 flow [2023-08-31 19:31:45,898 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} [2023-08-31 19:31:45,898 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-31 19:31:45,899 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 147 transitions, 308 flow [2023-08-31 19:31:45,900 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) [2023-08-31 19:31:45,900 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:45,900 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 19:31:45,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 19:31:45,901 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)] === [2023-08-31 19:31:45,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash -380277251, now seen corresponding path program 1 times [2023-08-31 19:31:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:45,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328302949] [2023-08-31 19:31:45,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:45,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:31:46,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:46,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328302949] [2023-08-31 19:31:46,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328302949] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:46,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:46,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:31:46,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262621500] [2023-08-31 19:31:46,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:46,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:31:46,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:46,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:31:46,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:31:46,046 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 1274 [2023-08-31 19:31:46,048 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) [2023-08-31 19:31:46,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:46,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 1274 [2023-08-31 19:31:46,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:46,517 INFO L130 PetriNetUnfolder]: 937/3223 cut-off events. [2023-08-31 19:31:46,517 INFO L131 PetriNetUnfolder]: For 69/95 co-relation queries the response was YES. [2023-08-31 19:31:46,524 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. [2023-08-31 19:31:46,535 INFO L137 encePairwiseOnDemand]: 1271/1274 looper letters, 45 selfloop transitions, 1 changer transitions 0/145 dead transitions. [2023-08-31 19:31:46,535 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 396 flow [2023-08-31 19:31:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:31:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:31:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1897 transitions. [2023-08-31 19:31:46,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49633699633699635 [2023-08-31 19:31:46,541 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1897 transitions. [2023-08-31 19:31:46,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1897 transitions. [2023-08-31 19:31:46,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:46,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1897 transitions. [2023-08-31 19:31:46,546 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) [2023-08-31 19:31:46,552 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) [2023-08-31 19:31:46,554 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) [2023-08-31 19:31:46,554 INFO L175 Difference]: Start difference. First operand has 143 places, 147 transitions, 308 flow. Second operand 3 states and 1897 transitions. [2023-08-31 19:31:46,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 396 flow [2023-08-31 19:31:46,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 145 transitions, 396 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:31:46,558 INFO L231 Difference]: Finished difference. Result has 143 places, 145 transitions, 306 flow [2023-08-31 19:31:46,558 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} [2023-08-31 19:31:46,559 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-31 19:31:46,559 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 145 transitions, 306 flow [2023-08-31 19:31:46,560 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) [2023-08-31 19:31:46,560 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:46,560 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:46,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 19:31:46,561 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)] === [2023-08-31 19:31:46,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:46,561 INFO L85 PathProgramCache]: Analyzing trace with hash -374168449, now seen corresponding path program 1 times [2023-08-31 19:31:46,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:46,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115074892] [2023-08-31 19:31:46,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:31:46,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:46,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115074892] [2023-08-31 19:31:46,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115074892] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:46,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:46,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:31:46,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196963810] [2023-08-31 19:31:46,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:46,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:31:46,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:46,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:31:46,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:31:46,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 620 out of 1274 [2023-08-31 19:31:46,698 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) [2023-08-31 19:31:46,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:46,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 620 of 1274 [2023-08-31 19:31:46,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:47,185 INFO L130 PetriNetUnfolder]: 833/2805 cut-off events. [2023-08-31 19:31:47,185 INFO L131 PetriNetUnfolder]: For 64/70 co-relation queries the response was YES. [2023-08-31 19:31:47,191 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. [2023-08-31 19:31:47,200 INFO L137 encePairwiseOnDemand]: 1270/1274 looper letters, 49 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2023-08-31 19:31:47,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 150 transitions, 424 flow [2023-08-31 19:31:47,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:31:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:31:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1911 transitions. [2023-08-31 19:31:47,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-08-31 19:31:47,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1911 transitions. [2023-08-31 19:31:47,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1911 transitions. [2023-08-31 19:31:47,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:47,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1911 transitions. [2023-08-31 19:31:47,210 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) [2023-08-31 19:31:47,216 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) [2023-08-31 19:31:47,219 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) [2023-08-31 19:31:47,219 INFO L175 Difference]: Start difference. First operand has 143 places, 145 transitions, 306 flow. Second operand 3 states and 1911 transitions. [2023-08-31 19:31:47,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 150 transitions, 424 flow [2023-08-31 19:31:47,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 150 transitions, 423 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:31:47,222 INFO L231 Difference]: Finished difference. Result has 143 places, 145 transitions, 315 flow [2023-08-31 19:31:47,222 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} [2023-08-31 19:31:47,223 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -26 predicate places. [2023-08-31 19:31:47,223 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 145 transitions, 315 flow [2023-08-31 19:31:47,225 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) [2023-08-31 19:31:47,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:47,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:47,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 19:31:47,225 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)] === [2023-08-31 19:31:47,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:47,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1105142822, now seen corresponding path program 1 times [2023-08-31 19:31:47,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:47,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753008131] [2023-08-31 19:31:47,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:47,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:31:48,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:48,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753008131] [2023-08-31 19:31:48,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753008131] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:48,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:48,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:31:48,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85855241] [2023-08-31 19:31:48,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:48,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:31:48,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:48,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:31:48,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:31:48,791 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1274 [2023-08-31 19:31:48,795 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) [2023-08-31 19:31:48,795 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:48,796 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1274 [2023-08-31 19:31:48,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:51,334 INFO L130 PetriNetUnfolder]: 9912/18754 cut-off events. [2023-08-31 19:31:51,334 INFO L131 PetriNetUnfolder]: For 402/402 co-relation queries the response was YES. [2023-08-31 19:31:51,364 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. [2023-08-31 19:31:51,424 INFO L137 encePairwiseOnDemand]: 1252/1274 looper letters, 195 selfloop transitions, 69 changer transitions 0/347 dead transitions. [2023-08-31 19:31:51,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 347 transitions, 1288 flow [2023-08-31 19:31:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:31:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:31:51,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3867 transitions. [2023-08-31 19:31:51,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5058869701726845 [2023-08-31 19:31:51,434 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3867 transitions. [2023-08-31 19:31:51,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3867 transitions. [2023-08-31 19:31:51,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:51,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3867 transitions. [2023-08-31 19:31:51,443 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) [2023-08-31 19:31:51,452 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) [2023-08-31 19:31:51,466 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) [2023-08-31 19:31:51,466 INFO L175 Difference]: Start difference. First operand has 143 places, 145 transitions, 315 flow. Second operand 6 states and 3867 transitions. [2023-08-31 19:31:51,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 347 transitions, 1288 flow [2023-08-31 19:31:51,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 347 transitions, 1288 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:31:51,473 INFO L231 Difference]: Finished difference. Result has 153 places, 213 transitions, 769 flow [2023-08-31 19:31:51,473 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} [2023-08-31 19:31:51,475 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, -16 predicate places. [2023-08-31 19:31:51,476 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 213 transitions, 769 flow [2023-08-31 19:31:51,477 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) [2023-08-31 19:31:51,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:51,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:51,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 19:31:51,478 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)] === [2023-08-31 19:31:51,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:51,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1255252709, now seen corresponding path program 1 times [2023-08-31 19:31:51,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:51,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480606257] [2023-08-31 19:31:51,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:51,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:31:53,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:53,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480606257] [2023-08-31 19:31:53,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480606257] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:53,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:53,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:31:53,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962077320] [2023-08-31 19:31:53,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:53,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:31:53,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:53,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:31:53,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:31:54,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 1274 [2023-08-31 19:31:54,487 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) [2023-08-31 19:31:54,487 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:54,487 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 1274 [2023-08-31 19:31:54,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:58,540 INFO L130 PetriNetUnfolder]: 15871/31469 cut-off events. [2023-08-31 19:31:58,540 INFO L131 PetriNetUnfolder]: For 15095/15915 co-relation queries the response was YES. [2023-08-31 19:31:58,654 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. [2023-08-31 19:31:58,764 INFO L137 encePairwiseOnDemand]: 1235/1274 looper letters, 308 selfloop transitions, 352 changer transitions 0/725 dead transitions. [2023-08-31 19:31:58,765 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 725 transitions, 4316 flow [2023-08-31 19:31:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:31:58,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:31:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 6117 transitions. [2023-08-31 19:31:58,779 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4801412872841444 [2023-08-31 19:31:58,779 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 6117 transitions. [2023-08-31 19:31:58,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 6117 transitions. [2023-08-31 19:31:58,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:58,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 6117 transitions. [2023-08-31 19:31:58,792 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) [2023-08-31 19:31:58,806 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) [2023-08-31 19:31:58,809 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) [2023-08-31 19:31:58,809 INFO L175 Difference]: Start difference. First operand has 153 places, 213 transitions, 769 flow. Second operand 10 states and 6117 transitions. [2023-08-31 19:31:58,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 725 transitions, 4316 flow [2023-08-31 19:31:58,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 725 transitions, 4316 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:31:58,975 INFO L231 Difference]: Finished difference. Result has 171 places, 563 transitions, 4193 flow [2023-08-31 19:31:58,975 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} [2023-08-31 19:31:58,978 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 2 predicate places. [2023-08-31 19:31:58,978 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 563 transitions, 4193 flow [2023-08-31 19:31:58,980 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) [2023-08-31 19:31:58,980 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:58,980 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] [2023-08-31 19:31:58,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 19:31:58,980 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)] === [2023-08-31 19:31:58,981 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:58,981 INFO L85 PathProgramCache]: Analyzing trace with hash -587905657, now seen corresponding path program 1 times [2023-08-31 19:31:58,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:58,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434215933] [2023-08-31 19:31:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:31:59,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:59,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434215933] [2023-08-31 19:31:59,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434215933] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:59,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:59,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:31:59,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394865334] [2023-08-31 19:31:59,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:59,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:31:59,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:31:59,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:31:59,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 1274 [2023-08-31 19:31:59,124 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) [2023-08-31 19:31:59,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:59,125 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 1274 [2023-08-31 19:31:59,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:01,703 INFO L130 PetriNetUnfolder]: 9372/23411 cut-off events. [2023-08-31 19:32:01,703 INFO L131 PetriNetUnfolder]: For 19643/20998 co-relation queries the response was YES. [2023-08-31 19:32:01,773 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. [2023-08-31 19:32:01,846 INFO L137 encePairwiseOnDemand]: 1268/1274 looper letters, 112 selfloop transitions, 2 changer transitions 0/574 dead transitions. [2023-08-31 19:32:01,846 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 574 transitions, 4450 flow [2023-08-31 19:32:01,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:32:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:32:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1891 transitions. [2023-08-31 19:32:01,856 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4947671376242805 [2023-08-31 19:32:01,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1891 transitions. [2023-08-31 19:32:01,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1891 transitions. [2023-08-31 19:32:01,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:01,858 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1891 transitions. [2023-08-31 19:32:01,861 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) [2023-08-31 19:32:01,866 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) [2023-08-31 19:32:01,867 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) [2023-08-31 19:32:01,867 INFO L175 Difference]: Start difference. First operand has 171 places, 563 transitions, 4193 flow. Second operand 3 states and 1891 transitions. [2023-08-31 19:32:01,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 574 transitions, 4450 flow [2023-08-31 19:32:02,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 574 transitions, 4450 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:32:02,027 INFO L231 Difference]: Finished difference. Result has 170 places, 561 transitions, 4199 flow [2023-08-31 19:32:02,028 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} [2023-08-31 19:32:02,030 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 1 predicate places. [2023-08-31 19:32:02,030 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 561 transitions, 4199 flow [2023-08-31 19:32:02,031 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) [2023-08-31 19:32:02,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:02,031 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] [2023-08-31 19:32:02,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 19:32:02,032 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)] === [2023-08-31 19:32:02,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1476115687, now seen corresponding path program 1 times [2023-08-31 19:32:02,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:02,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130060650] [2023-08-31 19:32:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:32:03,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:03,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130060650] [2023-08-31 19:32:03,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130060650] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:03,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:03,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:32:03,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052420896] [2023-08-31 19:32:03,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:03,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:32:03,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:03,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:32:03,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:32:04,671 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 578 out of 1274 [2023-08-31 19:32:04,676 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) [2023-08-31 19:32:04,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:04,676 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 578 of 1274 [2023-08-31 19:32:04,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:11,248 INFO L130 PetriNetUnfolder]: 23159/44958 cut-off events. [2023-08-31 19:32:11,248 INFO L131 PetriNetUnfolder]: For 51467/53364 co-relation queries the response was YES. [2023-08-31 19:32:11,624 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. [2023-08-31 19:32:11,779 INFO L137 encePairwiseOnDemand]: 1235/1274 looper letters, 656 selfloop transitions, 432 changer transitions 0/1174 dead transitions. [2023-08-31 19:32:11,779 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 1174 transitions, 9589 flow [2023-08-31 19:32:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:32:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:32:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 6122 transitions. [2023-08-31 19:32:11,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4805337519623234 [2023-08-31 19:32:11,794 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 6122 transitions. [2023-08-31 19:32:11,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 6122 transitions. [2023-08-31 19:32:11,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:11,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 6122 transitions. [2023-08-31 19:32:11,807 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) [2023-08-31 19:32:11,824 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) [2023-08-31 19:32:11,827 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) [2023-08-31 19:32:11,827 INFO L175 Difference]: Start difference. First operand has 170 places, 561 transitions, 4199 flow. Second operand 10 states and 6122 transitions. [2023-08-31 19:32:11,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 1174 transitions, 9589 flow [2023-08-31 19:32:12,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 1174 transitions, 9589 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:32:12,184 INFO L231 Difference]: Finished difference. Result has 188 places, 991 transitions, 8891 flow [2023-08-31 19:32:12,185 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} [2023-08-31 19:32:12,185 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 19 predicate places. [2023-08-31 19:32:12,185 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 991 transitions, 8891 flow [2023-08-31 19:32:12,187 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) [2023-08-31 19:32:12,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:12,187 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] [2023-08-31 19:32:12,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 19:32:12,187 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)] === [2023-08-31 19:32:12,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1677529326, now seen corresponding path program 1 times [2023-08-31 19:32:12,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:12,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596750354] [2023-08-31 19:32:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:32:12,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:12,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596750354] [2023-08-31 19:32:12,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596750354] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:12,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:12,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:32:12,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870701077] [2023-08-31 19:32:12,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:12,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:32:12,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:12,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:32:12,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:32:13,311 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 602 out of 1274 [2023-08-31 19:32:13,313 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) [2023-08-31 19:32:13,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:13,314 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 602 of 1274 [2023-08-31 19:32:13,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:19,315 INFO L130 PetriNetUnfolder]: 17863/38412 cut-off events. [2023-08-31 19:32:19,315 INFO L131 PetriNetUnfolder]: For 77785/80257 co-relation queries the response was YES. [2023-08-31 19:32:19,568 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. [2023-08-31 19:32:19,690 INFO L137 encePairwiseOnDemand]: 1260/1274 looper letters, 903 selfloop transitions, 137 changer transitions 24/1195 dead transitions. [2023-08-31 19:32:19,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 1195 transitions, 12355 flow [2023-08-31 19:32:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:32:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:32:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3769 transitions. [2023-08-31 19:32:19,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49306645735217164 [2023-08-31 19:32:19,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3769 transitions. [2023-08-31 19:32:19,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3769 transitions. [2023-08-31 19:32:19,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:19,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3769 transitions. [2023-08-31 19:32:19,710 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) [2023-08-31 19:32:19,718 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) [2023-08-31 19:32:19,719 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) [2023-08-31 19:32:19,719 INFO L175 Difference]: Start difference. First operand has 188 places, 991 transitions, 8891 flow. Second operand 6 states and 3769 transitions. [2023-08-31 19:32:19,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 1195 transitions, 12355 flow [2023-08-31 19:32:20,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 1195 transitions, 12355 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:32:20,138 INFO L231 Difference]: Finished difference. Result has 198 places, 1127 transitions, 10659 flow [2023-08-31 19:32:20,139 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} [2023-08-31 19:32:20,139 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 29 predicate places. [2023-08-31 19:32:20,139 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 1127 transitions, 10659 flow [2023-08-31 19:32:20,140 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) [2023-08-31 19:32:20,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:20,141 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] [2023-08-31 19:32:20,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 19:32:20,141 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)] === [2023-08-31 19:32:20,141 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:20,142 INFO L85 PathProgramCache]: Analyzing trace with hash -294854209, now seen corresponding path program 1 times [2023-08-31 19:32:20,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:20,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976785264] [2023-08-31 19:32:20,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:20,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:32:23,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:23,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976785264] [2023-08-31 19:32:23,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976785264] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:23,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:23,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:32:23,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289414180] [2023-08-31 19:32:23,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:23,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:32:23,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:23,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:32:23,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:32:24,719 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-31 19:32:24,722 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) [2023-08-31 19:32:24,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:24,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-31 19:32:24,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:35,738 INFO L130 PetriNetUnfolder]: 32426/63625 cut-off events. [2023-08-31 19:32:35,738 INFO L131 PetriNetUnfolder]: For 122809/131426 co-relation queries the response was YES. [2023-08-31 19:32:36,269 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. [2023-08-31 19:32:36,473 INFO L137 encePairwiseOnDemand]: 1257/1274 looper letters, 1382 selfloop transitions, 776 changer transitions 0/2289 dead transitions. [2023-08-31 19:32:36,474 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 2289 transitions, 24614 flow [2023-08-31 19:32:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:32:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:32:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5683 transitions. [2023-08-31 19:32:36,486 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49563928135356705 [2023-08-31 19:32:36,486 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5683 transitions. [2023-08-31 19:32:36,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5683 transitions. [2023-08-31 19:32:36,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:36,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5683 transitions. [2023-08-31 19:32:36,498 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) [2023-08-31 19:32:36,512 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) [2023-08-31 19:32:36,513 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) [2023-08-31 19:32:36,514 INFO L175 Difference]: Start difference. First operand has 198 places, 1127 transitions, 10659 flow. Second operand 9 states and 5683 transitions. [2023-08-31 19:32:36,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 2289 transitions, 24614 flow [2023-08-31 19:32:37,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 2289 transitions, 24614 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:32:37,363 INFO L231 Difference]: Finished difference. Result has 212 places, 1796 transitions, 20997 flow [2023-08-31 19:32:37,364 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} [2023-08-31 19:32:37,364 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 43 predicate places. [2023-08-31 19:32:37,365 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 1796 transitions, 20997 flow [2023-08-31 19:32:37,365 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) [2023-08-31 19:32:37,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:37,365 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] [2023-08-31 19:32:37,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 19:32:37,366 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)] === [2023-08-31 19:32:37,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:37,366 INFO L85 PathProgramCache]: Analyzing trace with hash 96779335, now seen corresponding path program 2 times [2023-08-31 19:32:37,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:37,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450966926] [2023-08-31 19:32:37,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:37,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:32:39,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:39,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450966926] [2023-08-31 19:32:39,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450966926] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:39,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:39,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:32:39,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212459483] [2023-08-31 19:32:39,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:39,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:32:39,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:39,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:32:39,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:32:40,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-31 19:32:40,150 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) [2023-08-31 19:32:40,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:40,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-31 19:32:40,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:55,125 INFO L130 PetriNetUnfolder]: 35889/71629 cut-off events. [2023-08-31 19:32:55,125 INFO L131 PetriNetUnfolder]: For 239707/257994 co-relation queries the response was YES. [2023-08-31 19:32:55,753 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. [2023-08-31 19:32:55,964 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 956 selfloop transitions, 1447 changer transitions 0/2534 dead transitions. [2023-08-31 19:32:55,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 2534 transitions, 33449 flow [2023-08-31 19:32:55,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-31 19:32:55,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-31 19:32:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5086 transitions. [2023-08-31 19:32:55,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49901883830455257 [2023-08-31 19:32:55,971 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 5086 transitions. [2023-08-31 19:32:55,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 5086 transitions. [2023-08-31 19:32:55,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:55,973 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 5086 transitions. [2023-08-31 19:32:55,978 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) [2023-08-31 19:32:55,986 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) [2023-08-31 19:32:55,987 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) [2023-08-31 19:32:55,987 INFO L175 Difference]: Start difference. First operand has 212 places, 1796 transitions, 20997 flow. Second operand 8 states and 5086 transitions. [2023-08-31 19:32:55,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 2534 transitions, 33449 flow [2023-08-31 19:32:59,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 2534 transitions, 33320 flow, removed 64 selfloop flow, removed 1 redundant places. [2023-08-31 19:32:59,766 INFO L231 Difference]: Finished difference. Result has 221 places, 2290 transitions, 33103 flow [2023-08-31 19:32:59,768 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} [2023-08-31 19:32:59,769 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 52 predicate places. [2023-08-31 19:32:59,769 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 2290 transitions, 33103 flow [2023-08-31 19:32:59,770 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) [2023-08-31 19:32:59,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:59,770 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] [2023-08-31 19:32:59,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 19:32:59,770 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)] === [2023-08-31 19:32:59,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:59,771 INFO L85 PathProgramCache]: Analyzing trace with hash 943614133, now seen corresponding path program 3 times [2023-08-31 19:32:59,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:59,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745530946] [2023-08-31 19:32:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:59,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:33:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:33:01,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:33:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745530946] [2023-08-31 19:33:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745530946] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:33:01,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:33:01,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:33:01,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520809587] [2023-08-31 19:33:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:33:01,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:33:01,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:33:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:33:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:33:02,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-31 19:33:02,132 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) [2023-08-31 19:33:02,132 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:33:02,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-31 19:33:02,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:33:24,176 INFO L130 PetriNetUnfolder]: 45134/90360 cut-off events. [2023-08-31 19:33:24,177 INFO L131 PetriNetUnfolder]: For 431457/455885 co-relation queries the response was YES. [2023-08-31 19:33:25,076 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. [2023-08-31 19:33:25,365 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1302 selfloop transitions, 2454 changer transitions 0/3887 dead transitions. [2023-08-31 19:33:25,365 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 3887 transitions, 60954 flow [2023-08-31 19:33:25,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:33:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:33:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-31 19:33:25,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-31 19:33:25,371 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-31 19:33:25,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-31 19:33:25,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:33:25,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-31 19:33:25,379 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) [2023-08-31 19:33:25,386 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) [2023-08-31 19:33:25,387 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) [2023-08-31 19:33:25,387 INFO L175 Difference]: Start difference. First operand has 221 places, 2290 transitions, 33103 flow. Second operand 9 states and 5729 transitions. [2023-08-31 19:33:25,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 3887 transitions, 60954 flow [2023-08-31 19:33:30,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 3887 transitions, 60002 flow, removed 8 selfloop flow, removed 4 redundant places. [2023-08-31 19:33:31,041 INFO L231 Difference]: Finished difference. Result has 231 places, 3400 transitions, 57388 flow [2023-08-31 19:33:31,043 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} [2023-08-31 19:33:31,044 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 62 predicate places. [2023-08-31 19:33:31,044 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 3400 transitions, 57388 flow [2023-08-31 19:33:31,045 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) [2023-08-31 19:33:31,045 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:33:31,045 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] [2023-08-31 19:33:31,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 19:33:31,045 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)] === [2023-08-31 19:33:31,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:33:31,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2049766955, now seen corresponding path program 4 times [2023-08-31 19:33:31,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:33:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925242898] [2023-08-31 19:33:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:33:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:33:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:33:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:33:32,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:33:32,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925242898] [2023-08-31 19:33:32,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925242898] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:33:32,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:33:32,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:33:32,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060521283] [2023-08-31 19:33:32,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:33:32,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:33:32,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:33:32,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:33:32,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:33:33,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-31 19:33:33,463 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) [2023-08-31 19:33:33,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:33:33,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-31 19:33:33,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:34:06,951 INFO L130 PetriNetUnfolder]: 50052/101687 cut-off events. [2023-08-31 19:34:06,952 INFO L131 PetriNetUnfolder]: For 638012/662848 co-relation queries the response was YES. [2023-08-31 19:34:08,068 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. [2023-08-31 19:34:08,423 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1574 selfloop transitions, 2686 changer transitions 0/4391 dead transitions. [2023-08-31 19:34:08,423 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 4391 transitions, 79832 flow [2023-08-31 19:34:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:34:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:34:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-31 19:34:08,429 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-31 19:34:08,429 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-31 19:34:08,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-31 19:34:08,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:34:08,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-31 19:34:08,434 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) [2023-08-31 19:34:08,441 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) [2023-08-31 19:34:08,442 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) [2023-08-31 19:34:08,442 INFO L175 Difference]: Start difference. First operand has 231 places, 3400 transitions, 57388 flow. Second operand 9 states and 5729 transitions. [2023-08-31 19:34:08,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 4391 transitions, 79832 flow [2023-08-31 19:34:20,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 4391 transitions, 77673 flow, removed 1073 selfloop flow, removed 2 redundant places. [2023-08-31 19:34:20,929 INFO L231 Difference]: Finished difference. Result has 242 places, 4058 transitions, 78283 flow [2023-08-31 19:34:20,932 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} [2023-08-31 19:34:20,933 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 73 predicate places. [2023-08-31 19:34:20,933 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 4058 transitions, 78283 flow [2023-08-31 19:34:20,934 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) [2023-08-31 19:34:20,934 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:34:20,934 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] [2023-08-31 19:34:20,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 19:34:20,935 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)] === [2023-08-31 19:34:20,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:34:20,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1286403155, now seen corresponding path program 5 times [2023-08-31 19:34:20,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:34:20,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723757172] [2023-08-31 19:34:20,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:34:20,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:34:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:34:22,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:34:22,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:34:22,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723757172] [2023-08-31 19:34:22,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723757172] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:34:22,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:34:22,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:34:22,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641851388] [2023-08-31 19:34:22,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:34:22,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:34:22,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:34:22,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:34:22,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:34:23,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 598 out of 1274 [2023-08-31 19:34:23,184 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) [2023-08-31 19:34:23,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:34:23,184 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 598 of 1274 [2023-08-31 19:34:23,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:35:02,682 INFO L130 PetriNetUnfolder]: 51060/103669 cut-off events. [2023-08-31 19:35:02,682 INFO L131 PetriNetUnfolder]: For 853595/879795 co-relation queries the response was YES. [2023-08-31 19:35:04,046 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. [2023-08-31 19:35:04,591 INFO L137 encePairwiseOnDemand]: 1249/1274 looper letters, 1741 selfloop transitions, 3207 changer transitions 0/5079 dead transitions. [2023-08-31 19:35:04,591 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 5079 transitions, 102994 flow [2023-08-31 19:35:04,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:35:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:35:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5729 transitions. [2023-08-31 19:35:04,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49965114250828535 [2023-08-31 19:35:04,599 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 5729 transitions. [2023-08-31 19:35:04,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 5729 transitions. [2023-08-31 19:35:04,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:35:04,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 5729 transitions. [2023-08-31 19:35:04,606 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) [2023-08-31 19:35:04,614 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) [2023-08-31 19:35:04,615 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) [2023-08-31 19:35:04,615 INFO L175 Difference]: Start difference. First operand has 242 places, 4058 transitions, 78283 flow. Second operand 9 states and 5729 transitions. [2023-08-31 19:35:04,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 5079 transitions, 102994 flow [2023-08-31 19:35:20,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 5079 transitions, 101937 flow, removed 400 selfloop flow, removed 2 redundant places. [2023-08-31 19:35:20,651 INFO L231 Difference]: Finished difference. Result has 253 places, 4673 transitions, 99654 flow [2023-08-31 19:35:20,654 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} [2023-08-31 19:35:20,655 INFO L281 CegarLoopForPetriNet]: 169 programPoint places, 84 predicate places. [2023-08-31 19:35:20,655 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 4673 transitions, 99654 flow [2023-08-31 19:35:20,656 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) [2023-08-31 19:35:20,656 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:35:20,656 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] [2023-08-31 19:35:20,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 19:35:20,656 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)] === [2023-08-31 19:35:20,657 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:35:20,657 INFO L85 PathProgramCache]: Analyzing trace with hash 957767831, now seen corresponding path program 1 times [2023-08-31 19:35:20,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:35:20,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306443538] [2023-08-31 19:35:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:35:20,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:35:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:35:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:35:21,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:35:21,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306443538] [2023-08-31 19:35:21,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306443538] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:35:21,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:35:21,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:35:21,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100557983] [2023-08-31 19:35:21,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:35:21,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:35:21,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:35:21,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:35:21,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:35:22,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 1274 [2023-08-31 19:35:22,571 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) [2023-08-31 19:35:22,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:35:22,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 1274 [2023-08-31 19:35:22,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand