./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_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_nvram_unlocked_ioctl_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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --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 19:21:42,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 19:21:42,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 19:21:42,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 19:21:42,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 19:21:42,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 19:21:42,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 19:21:42,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 19:21:42,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 19:21:42,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 19:21:42,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 19:21:42,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 19:21:42,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 19:21:42,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 19:21:42,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 19:21:42,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 19:21:42,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 19:21:42,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 19:21:42,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 19:21:42,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 19:21:42,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 19:21:42,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 19:21:42,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 19:21:42,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 19:21:42,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 19:21:42,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 19:21:42,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 19:21:42,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 19:21:42,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 19:21:42,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 19:21:42,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 19:21:42,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 19:21:42,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 19:21:42,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 19:21:42,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 19:21:42,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 19:21:42,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 19:21:42,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 19:21:42,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 19:21:42,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 19:21:42,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 19:21:42,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 19:21:42,492 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 19:21:42,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 19:21:42,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 19:21:42,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 19:21:42,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 19:21:42,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 19:21:42,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 19:21:42,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 19:21:42,495 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 19:21:42,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 19:21:42,496 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 19:21:42,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 19:21:42,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 19:21:42,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 19:21:42,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 19:21:42,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 19:21:42,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 19:21:42,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 19:21:42,497 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 19:21:42,497 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 19:21:42,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 19:21:42,497 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 19:21:42,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 19:21:42,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 19:21:42,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 19:21:42,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 19:21:42,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:21:42,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 19:21:42,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 19:21:42,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 19:21:42,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 19:21:42,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 19:21:42,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 19:21:42,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 19:21:42,500 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 19:21:42,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 19:21:42,500 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 19:21:42,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 19:21:42,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 19:21:42,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 19:21:42,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 19:21:42,775 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 19:21:42,775 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 19:21:42,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-08-31 19:21:43,732 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 19:21:44,130 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 19:21:44,131 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-08-31 19:21:44,162 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9486dd99/ef835ba05e634216ac4b2e2f1e0842be/FLAGb3d3d5024 [2023-08-31 19:21:44,176 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9486dd99/ef835ba05e634216ac4b2e2f1e0842be [2023-08-31 19:21:44,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 19:21:44,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 19:21:44,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 19:21:44,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 19:21:44,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 19:21:44,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:21:44" (1/1) ... [2023-08-31 19:21:44,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10298a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:44, skipping insertion in model container [2023-08-31 19:21:44,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 07:21:44" (1/1) ... [2023-08-31 19:21:44,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 19:21:44,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 19:21:44,482 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-08-31 19:21:46,599 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-31 19:21:46,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:21:47,001 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 19:21:47,019 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-08-31 19:21:47,205 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-31 19:21:47,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 19:21:47,680 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:21:47,680 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:21:47,680 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:21:47,680 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:21:47,680 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:21:47,680 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:21:47,680 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 19:21:47,685 INFO L208 MainTranslator]: Completed translation [2023-08-31 19:21:47,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47 WrapperNode [2023-08-31 19:21:47,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 19:21:47,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 19:21:47,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 19:21:47,686 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 19:21:47,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,830 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 499 [2023-08-31 19:21:47,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 19:21:47,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 19:21:47,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 19:21:47,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 19:21:47,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 19:21:47,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 19:21:47,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 19:21:47,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 19:21:47,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (1/1) ... [2023-08-31 19:21:47,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 19:21:47,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 19:21:47,922 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 19:21:47,937 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 19:21:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 19:21:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 19:21:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-08-31 19:21:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-08-31 19:21:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 19:21:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 19:21:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 19:21:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-08-31 19:21:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-08-31 19:21:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 19:21:47,951 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 19:21:48,344 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 19:21:48,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 19:21:48,790 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 19:21:48,822 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 19:21:48,822 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-31 19:21:48,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:21:48 BoogieIcfgContainer [2023-08-31 19:21:48,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 19:21:48,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 19:21:48,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 19:21:48,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 19:21:48,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 07:21:44" (1/3) ... [2023-08-31 19:21:48,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ac362d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:21:48, skipping insertion in model container [2023-08-31 19:21:48,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 07:21:47" (2/3) ... [2023-08-31 19:21:48,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ac362d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 07:21:48, skipping insertion in model container [2023-08-31 19:21:48,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:21:48" (3/3) ... [2023-08-31 19:21:48,830 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-08-31 19:21:48,834 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 19:21:48,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 19:21:48,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-08-31 19:21:48,840 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 19:21:48,949 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 19:21:48,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 531 places, 536 transitions, 1088 flow [2023-08-31 19:21:49,075 INFO L130 PetriNetUnfolder]: 12/534 cut-off events. [2023-08-31 19:21:49,075 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 19:21:49,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 534 events. 12/534 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 563 event pairs, 0 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 455. Up to 4 conditions per place. [2023-08-31 19:21:49,082 INFO L82 GeneralOperation]: Start removeDead. Operand has 531 places, 536 transitions, 1088 flow [2023-08-31 19:21:49,088 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 521 places, 526 transitions, 1061 flow [2023-08-31 19:21:49,090 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 19:21:49,096 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 526 transitions, 1061 flow [2023-08-31 19:21:49,097 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 526 transitions, 1061 flow [2023-08-31 19:21:49,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 521 places, 526 transitions, 1061 flow [2023-08-31 19:21:49,178 INFO L130 PetriNetUnfolder]: 12/526 cut-off events. [2023-08-31 19:21:49,178 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 19:21:49,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 526 events. 12/526 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 496 event pairs, 0 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 455. Up to 4 conditions per place. [2023-08-31 19:21:49,188 INFO L119 LiptonReduction]: Number of co-enabled transitions 23334 [2023-08-31 19:23:52,426 WARN L222 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 540 DAG size of output: 536 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:24:30,459 WARN L222 SmtUtils]: Spent 38.02s on a formula simplification that was a NOOP. DAG size: 483 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:25:40,475 WARN L222 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 543 DAG size of output: 539 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:26:00,374 WARN L222 SmtUtils]: Spent 19.89s on a formula simplification that was a NOOP. DAG size: 486 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:27:22,678 WARN L222 SmtUtils]: Spent 1.37m on a formula simplification. DAG size of input: 551 DAG size of output: 547 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:28:16,384 WARN L222 SmtUtils]: Spent 53.70s on a formula simplification that was a NOOP. DAG size: 492 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:30:13,020 WARN L222 SmtUtils]: Spent 1.94m on a formula simplification. DAG size of input: 558 DAG size of output: 554 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:31:12,760 WARN L222 SmtUtils]: Spent 59.73s on a formula simplification that was a NOOP. DAG size: 499 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 19:31:12,787 INFO L134 LiptonReduction]: Checked pairs total: 87336 [2023-08-31 19:31:12,787 INFO L136 LiptonReduction]: Total number of compositions: 622 [2023-08-31 19:31:12,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 19:31:12,809 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;@2db590cf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 19:31:12,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2023-08-31 19:31:12,810 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 19:31:12,811 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 19:31:12,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:12,811 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 19:31:12,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:12,819 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:12,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2013, now seen corresponding path program 1 times [2023-08-31 19:31:12,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:12,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373353212] [2023-08-31 19:31:12,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:12,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:12,974 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 19:31:12,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:12,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373353212] [2023-08-31 19:31:12,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373353212] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:12,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:12,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 19:31:12,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105001819] [2023-08-31 19:31:12,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:12,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 19:31:12,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:12,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 19:31:13,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 19:31:13,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 523 out of 1158 [2023-08-31 19:31:13,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 110 transitions, 229 flow. Second operand has 2 states, 2 states have (on average 523.5) internal successors, (1047), 2 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states 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 19:31:13,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:13,009 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 523 of 1158 [2023-08-31 19:31:13,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:13,200 INFO L130 PetriNetUnfolder]: 210/869 cut-off events. [2023-08-31 19:31:13,200 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2023-08-31 19:31:13,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 869 events. 210/869 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 4817 event pairs, 162 based on Foata normal form. 8/784 useless extension candidates. Maximal degree in co-relation 1174. Up to 354 conditions per place. [2023-08-31 19:31:13,204 INFO L137 encePairwiseOnDemand]: 1126/1158 looper letters, 25 selfloop transitions, 0 changer transitions 0/78 dead transitions. [2023-08-31 19:31:13,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 78 transitions, 215 flow [2023-08-31 19:31:13,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 19:31:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 19:31:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1103 transitions. [2023-08-31 19:31:13,222 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47625215889464595 [2023-08-31 19:31:13,223 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1103 transitions. [2023-08-31 19:31:13,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1103 transitions. [2023-08-31 19:31:13,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:13,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1103 transitions. [2023-08-31 19:31:13,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 551.5) internal successors, (1103), 2 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states 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 19:31:13,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1158.0) internal successors, (3474), 3 states have internal predecessors, (3474), 0 states have call successors, (0), 0 states 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 19:31:13,239 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1158.0) internal successors, (3474), 3 states have internal predecessors, (3474), 0 states have call successors, (0), 0 states 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 19:31:13,240 INFO L175 Difference]: Start difference. First operand has 113 places, 110 transitions, 229 flow. Second operand 2 states and 1103 transitions. [2023-08-31 19:31:13,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 78 transitions, 215 flow [2023-08-31 19:31:13,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 78 transitions, 210 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-31 19:31:13,248 INFO L231 Difference]: Finished difference. Result has 79 places, 78 transitions, 160 flow [2023-08-31 19:31:13,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=160, PETRI_PLACES=79, PETRI_TRANSITIONS=78} [2023-08-31 19:31:13,252 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -34 predicate places. [2023-08-31 19:31:13,252 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 78 transitions, 160 flow [2023-08-31 19:31:13,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 523.5) internal successors, (1047), 2 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states 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 19:31:13,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:13,253 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 19:31:13,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 19:31:13,254 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:13,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:13,254 INFO L85 PathProgramCache]: Analyzing trace with hash 62745727, now seen corresponding path program 1 times [2023-08-31 19:31:13,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:13,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731575902] [2023-08-31 19:31:13,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:13,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:13,541 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 19:31:13,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:13,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731575902] [2023-08-31 19:31:13,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731575902] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:13,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:13,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 19:31:13,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755897959] [2023-08-31 19:31:13,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:13,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 19:31:13,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:13,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 19:31:13,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 19:31:13,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 510 out of 1158 [2023-08-31 19:31:13,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 78 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states 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 19:31:13,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:13,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 510 of 1158 [2023-08-31 19:31:13,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:13,725 INFO L130 PetriNetUnfolder]: 292/1059 cut-off events. [2023-08-31 19:31:13,725 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-31 19:31:13,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1568 conditions, 1059 events. 292/1059 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5931 event pairs, 228 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1565. Up to 483 conditions per place. [2023-08-31 19:31:13,729 INFO L137 encePairwiseOnDemand]: 1154/1158 looper letters, 26 selfloop transitions, 1 changer transitions 0/75 dead transitions. [2023-08-31 19:31:13,729 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 75 transitions, 208 flow [2023-08-31 19:31:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 19:31:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 19:31:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1560 transitions. [2023-08-31 19:31:13,732 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44905008635578586 [2023-08-31 19:31:13,732 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1560 transitions. [2023-08-31 19:31:13,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1560 transitions. [2023-08-31 19:31:13,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:13,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1560 transitions. [2023-08-31 19:31:13,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 520.0) internal successors, (1560), 3 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states 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 19:31:13,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1158.0) internal successors, (4632), 4 states have internal predecessors, (4632), 0 states have call successors, (0), 0 states 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 19:31:13,740 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1158.0) internal successors, (4632), 4 states have internal predecessors, (4632), 0 states have call successors, (0), 0 states 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 19:31:13,740 INFO L175 Difference]: Start difference. First operand has 79 places, 78 transitions, 160 flow. Second operand 3 states and 1560 transitions. [2023-08-31 19:31:13,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 75 transitions, 208 flow [2023-08-31 19:31:13,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 208 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:31:13,741 INFO L231 Difference]: Finished difference. Result has 78 places, 75 transitions, 156 flow [2023-08-31 19:31:13,742 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2023-08-31 19:31:13,742 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -35 predicate places. [2023-08-31 19:31:13,742 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 156 flow [2023-08-31 19:31:13,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 511.3333333333333) internal successors, (1534), 3 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states 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 19:31:13,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:13,743 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:13,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 19:31:13,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:13,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash 590622346, now seen corresponding path program 1 times [2023-08-31 19:31:13,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:13,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963482712] [2023-08-31 19:31:13,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:14,281 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 19:31:14,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:14,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963482712] [2023-08-31 19:31:14,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963482712] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:14,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:14,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:31:14,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845603645] [2023-08-31 19:31:14,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:14,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:31:14,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:14,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:31:14,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:31:14,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 1158 [2023-08-31 19:31:14,527 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 156 flow. Second operand has 6 states, 6 states have (on average 507.6666666666667) internal successors, (3046), 6 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states 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 19:31:14,527 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:14,527 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 1158 [2023-08-31 19:31:14,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:15,163 INFO L130 PetriNetUnfolder]: 1844/3568 cut-off events. [2023-08-31 19:31:15,164 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 19:31:15,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6537 conditions, 3568 events. 1844/3568 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 20708 event pairs, 466 based on Foata normal form. 0/3205 useless extension candidates. Maximal degree in co-relation 6533. Up to 1893 conditions per place. [2023-08-31 19:31:15,175 INFO L137 encePairwiseOnDemand]: 1142/1158 looper letters, 99 selfloop transitions, 45 changer transitions 0/181 dead transitions. [2023-08-31 19:31:15,175 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 181 transitions, 657 flow [2023-08-31 19:31:15,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:31:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:31:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3181 transitions. [2023-08-31 19:31:15,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45782959124928035 [2023-08-31 19:31:15,180 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3181 transitions. [2023-08-31 19:31:15,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3181 transitions. [2023-08-31 19:31:15,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:15,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3181 transitions. [2023-08-31 19:31:15,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 530.1666666666666) internal successors, (3181), 6 states have internal predecessors, (3181), 0 states have call successors, (0), 0 states 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 19:31:15,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1158.0) internal successors, (8106), 7 states have internal predecessors, (8106), 0 states have call successors, (0), 0 states 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 19:31:15,195 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1158.0) internal successors, (8106), 7 states have internal predecessors, (8106), 0 states have call successors, (0), 0 states 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 19:31:15,195 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 156 flow. Second operand 6 states and 3181 transitions. [2023-08-31 19:31:15,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 181 transitions, 657 flow [2023-08-31 19:31:15,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 181 transitions, 656 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:31:15,199 INFO L231 Difference]: Finished difference. Result has 87 places, 119 transitions, 453 flow [2023-08-31 19:31:15,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=453, PETRI_PLACES=87, PETRI_TRANSITIONS=119} [2023-08-31 19:31:15,200 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -26 predicate places. [2023-08-31 19:31:15,200 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 119 transitions, 453 flow [2023-08-31 19:31:15,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 507.6666666666667) internal successors, (3046), 6 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states 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 19:31:15,201 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:15,201 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:15,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 19:31:15,202 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:15,202 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash -584922927, now seen corresponding path program 1 times [2023-08-31 19:31:15,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:15,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868229929] [2023-08-31 19:31:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:16,419 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 19:31:16,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:16,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868229929] [2023-08-31 19:31:16,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868229929] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:16,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:16,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:31:16,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036796958] [2023-08-31 19:31:16,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:16,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:31:16,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:16,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:31:16,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:31:16,901 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 1158 [2023-08-31 19:31:16,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 119 transitions, 453 flow. Second operand has 10 states, 10 states have (on average 483.4) internal successors, (4834), 10 states have internal predecessors, (4834), 0 states have call successors, (0), 0 states 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 19:31:16,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:16,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 1158 [2023-08-31 19:31:16,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:18,103 INFO L130 PetriNetUnfolder]: 2797/5359 cut-off events. [2023-08-31 19:31:18,104 INFO L131 PetriNetUnfolder]: For 3227/3404 co-relation queries the response was YES. [2023-08-31 19:31:18,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13942 conditions, 5359 events. 2797/5359 cut-off events. For 3227/3404 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 33335 event pairs, 524 based on Foata normal form. 0/5071 useless extension candidates. Maximal degree in co-relation 13934. Up to 2808 conditions per place. [2023-08-31 19:31:18,138 INFO L137 encePairwiseOnDemand]: 1124/1158 looper letters, 151 selfloop transitions, 113 changer transitions 0/283 dead transitions. [2023-08-31 19:31:18,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 283 transitions, 1632 flow [2023-08-31 19:31:18,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:31:18,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:31:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4979 transitions. [2023-08-31 19:31:18,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42996545768566496 [2023-08-31 19:31:18,147 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 4979 transitions. [2023-08-31 19:31:18,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 4979 transitions. [2023-08-31 19:31:18,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:18,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 4979 transitions. [2023-08-31 19:31:18,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 497.9) internal successors, (4979), 10 states have internal predecessors, (4979), 0 states have call successors, (0), 0 states 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 19:31:18,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1158.0) internal successors, (12738), 11 states have internal predecessors, (12738), 0 states have call successors, (0), 0 states 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 19:31:18,169 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1158.0) internal successors, (12738), 11 states have internal predecessors, (12738), 0 states have call successors, (0), 0 states 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 19:31:18,170 INFO L175 Difference]: Start difference. First operand has 87 places, 119 transitions, 453 flow. Second operand 10 states and 4979 transitions. [2023-08-31 19:31:18,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 283 transitions, 1632 flow [2023-08-31 19:31:18,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 283 transitions, 1632 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:31:18,184 INFO L231 Difference]: Finished difference. Result has 105 places, 230 transitions, 1521 flow [2023-08-31 19:31:18,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1521, PETRI_PLACES=105, PETRI_TRANSITIONS=230} [2023-08-31 19:31:18,185 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, -8 predicate places. [2023-08-31 19:31:18,185 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 230 transitions, 1521 flow [2023-08-31 19:31:18,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 483.4) internal successors, (4834), 10 states have internal predecessors, (4834), 0 states have call successors, (0), 0 states 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 19:31:18,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:18,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:18,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 19:31:18,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:18,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:18,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1000398403, now seen corresponding path program 1 times [2023-08-31 19:31:18,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:18,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512818068] [2023-08-31 19:31:18,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:18,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:19,519 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 19:31:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:19,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512818068] [2023-08-31 19:31:19,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512818068] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:19,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:19,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 19:31:19,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557879546] [2023-08-31 19:31:19,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:19,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-31 19:31:19,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:19,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-31 19:31:19,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-31 19:31:19,947 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 505 out of 1158 [2023-08-31 19:31:19,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 230 transitions, 1521 flow. Second operand has 8 states, 8 states have (on average 506.625) internal successors, (4053), 8 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states 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 19:31:19,950 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:19,950 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 505 of 1158 [2023-08-31 19:31:19,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:21,246 INFO L130 PetriNetUnfolder]: 2958/5867 cut-off events. [2023-08-31 19:31:21,247 INFO L131 PetriNetUnfolder]: For 7726/9168 co-relation queries the response was YES. [2023-08-31 19:31:21,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18905 conditions, 5867 events. 2958/5867 cut-off events. For 7726/9168 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 38034 event pairs, 545 based on Foata normal form. 652/6101 useless extension candidates. Maximal degree in co-relation 18888. Up to 1889 conditions per place. [2023-08-31 19:31:21,280 INFO L137 encePairwiseOnDemand]: 1143/1158 looper letters, 244 selfloop transitions, 81 changer transitions 0/384 dead transitions. [2023-08-31 19:31:21,280 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 384 transitions, 2890 flow [2023-08-31 19:31:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-31 19:31:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-31 19:31:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3680 transitions. [2023-08-31 19:31:21,287 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4539847026893659 [2023-08-31 19:31:21,287 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3680 transitions. [2023-08-31 19:31:21,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3680 transitions. [2023-08-31 19:31:21,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:21,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3680 transitions. [2023-08-31 19:31:21,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 525.7142857142857) internal successors, (3680), 7 states have internal predecessors, (3680), 0 states have call successors, (0), 0 states 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 19:31:21,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1158.0) internal successors, (9264), 8 states have internal predecessors, (9264), 0 states have call successors, (0), 0 states 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 19:31:21,300 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1158.0) internal successors, (9264), 8 states have internal predecessors, (9264), 0 states have call successors, (0), 0 states 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 19:31:21,301 INFO L175 Difference]: Start difference. First operand has 105 places, 230 transitions, 1521 flow. Second operand 7 states and 3680 transitions. [2023-08-31 19:31:21,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 384 transitions, 2890 flow [2023-08-31 19:31:21,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 384 transitions, 2890 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 19:31:21,322 INFO L231 Difference]: Finished difference. Result has 116 places, 270 transitions, 2058 flow [2023-08-31 19:31:21,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=1521, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2058, PETRI_PLACES=116, PETRI_TRANSITIONS=270} [2023-08-31 19:31:21,323 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 3 predicate places. [2023-08-31 19:31:21,323 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 270 transitions, 2058 flow [2023-08-31 19:31:21,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 506.625) internal successors, (4053), 8 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states 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 19:31:21,324 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:21,324 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:21,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 19:31:21,324 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:21,325 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:21,325 INFO L85 PathProgramCache]: Analyzing trace with hash 848276789, now seen corresponding path program 1 times [2023-08-31 19:31:21,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:21,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148743766] [2023-08-31 19:31:21,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:21,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:21,857 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 19:31:21,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:21,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148743766] [2023-08-31 19:31:21,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148743766] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:21,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:21,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 19:31:21,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244199223] [2023-08-31 19:31:21,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:21,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 19:31:21,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:21,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 19:31:21,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 19:31:22,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 506 out of 1158 [2023-08-31 19:31:22,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 270 transitions, 2058 flow. Second operand has 6 states, 6 states have (on average 508.3333333333333) internal successors, (3050), 6 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states 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 19:31:22,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:22,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 506 of 1158 [2023-08-31 19:31:22,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:23,233 INFO L130 PetriNetUnfolder]: 2213/4930 cut-off events. [2023-08-31 19:31:23,233 INFO L131 PetriNetUnfolder]: For 10069/10393 co-relation queries the response was YES. [2023-08-31 19:31:23,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17838 conditions, 4930 events. 2213/4930 cut-off events. For 10069/10393 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 33631 event pairs, 571 based on Foata normal form. 22/4700 useless extension candidates. Maximal degree in co-relation 17815. Up to 2655 conditions per place. [2023-08-31 19:31:23,300 INFO L137 encePairwiseOnDemand]: 1150/1158 looper letters, 209 selfloop transitions, 32 changer transitions 2/310 dead transitions. [2023-08-31 19:31:23,300 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 310 transitions, 2800 flow [2023-08-31 19:31:23,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 19:31:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 19:31:23,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3095 transitions. [2023-08-31 19:31:23,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4454519286125504 [2023-08-31 19:31:23,322 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3095 transitions. [2023-08-31 19:31:23,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3095 transitions. [2023-08-31 19:31:23,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:23,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3095 transitions. [2023-08-31 19:31:23,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 515.8333333333334) internal successors, (3095), 6 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states 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 19:31:23,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1158.0) internal successors, (8106), 7 states have internal predecessors, (8106), 0 states have call successors, (0), 0 states 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 19:31:23,332 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1158.0) internal successors, (8106), 7 states have internal predecessors, (8106), 0 states have call successors, (0), 0 states 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 19:31:23,332 INFO L175 Difference]: Start difference. First operand has 116 places, 270 transitions, 2058 flow. Second operand 6 states and 3095 transitions. [2023-08-31 19:31:23,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 310 transitions, 2800 flow [2023-08-31 19:31:23,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 310 transitions, 2791 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-31 19:31:23,399 INFO L231 Difference]: Finished difference. Result has 124 places, 300 transitions, 2406 flow [2023-08-31 19:31:23,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=2049, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2406, PETRI_PLACES=124, PETRI_TRANSITIONS=300} [2023-08-31 19:31:23,401 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 11 predicate places. [2023-08-31 19:31:23,401 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 300 transitions, 2406 flow [2023-08-31 19:31:23,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 508.3333333333333) internal successors, (3050), 6 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states 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 19:31:23,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:23,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:23,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 19:31:23,402 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:23,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:23,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1075747220, now seen corresponding path program 1 times [2023-08-31 19:31:23,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:23,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820500089] [2023-08-31 19:31:23,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:23,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:31,547 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 19:31:31,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:31,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820500089] [2023-08-31 19:31:31,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820500089] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:31,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:31,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:31:31,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379882679] [2023-08-31 19:31:31,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:31,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:31:31,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:31,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:31:31,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:31:32,239 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 479 out of 1158 [2023-08-31 19:31:32,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 300 transitions, 2406 flow. Second operand has 13 states, 13 states have (on average 480.46153846153845) internal successors, (6246), 13 states have internal predecessors, (6246), 0 states have call successors, (0), 0 states 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 19:31:32,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:32,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 479 of 1158 [2023-08-31 19:31:32,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:33,625 INFO L130 PetriNetUnfolder]: 2982/5709 cut-off events. [2023-08-31 19:31:33,625 INFO L131 PetriNetUnfolder]: For 13228/13613 co-relation queries the response was YES. [2023-08-31 19:31:33,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22540 conditions, 5709 events. 2982/5709 cut-off events. For 13228/13613 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 35722 event pairs, 183 based on Foata normal form. 162/5630 useless extension candidates. Maximal degree in co-relation 22513. Up to 2168 conditions per place. [2023-08-31 19:31:33,654 INFO L137 encePairwiseOnDemand]: 1135/1158 looper letters, 361 selfloop transitions, 51 changer transitions 0/437 dead transitions. [2023-08-31 19:31:33,654 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 437 transitions, 4165 flow [2023-08-31 19:31:33,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-31 19:31:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-31 19:31:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5873 transitions. [2023-08-31 19:31:33,664 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4226396085204375 [2023-08-31 19:31:33,664 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5873 transitions. [2023-08-31 19:31:33,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5873 transitions. [2023-08-31 19:31:33,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:33,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5873 transitions. [2023-08-31 19:31:33,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 489.4166666666667) internal successors, (5873), 12 states have internal predecessors, (5873), 0 states have call successors, (0), 0 states 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 19:31:33,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:31:33,684 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:31:33,684 INFO L175 Difference]: Start difference. First operand has 124 places, 300 transitions, 2406 flow. Second operand 12 states and 5873 transitions. [2023-08-31 19:31:33,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 437 transitions, 4165 flow [2023-08-31 19:31:33,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 437 transitions, 4098 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 19:31:33,739 INFO L231 Difference]: Finished difference. Result has 130 places, 297 transitions, 2450 flow [2023-08-31 19:31:33,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=2348, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2450, PETRI_PLACES=130, PETRI_TRANSITIONS=297} [2023-08-31 19:31:33,740 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 17 predicate places. [2023-08-31 19:31:33,740 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 297 transitions, 2450 flow [2023-08-31 19:31:33,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 480.46153846153845) internal successors, (6246), 13 states have internal predecessors, (6246), 0 states have call successors, (0), 0 states 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 19:31:33,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:33,742 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] [2023-08-31 19:31:33,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 19:31:33,742 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:33,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash 899533446, now seen corresponding path program 1 times [2023-08-31 19:31:33,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:33,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064158985] [2023-08-31 19:31:33,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:33,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:34,783 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 19:31:34,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:34,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064158985] [2023-08-31 19:31:34,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064158985] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:34,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:34,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 19:31:34,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826473566] [2023-08-31 19:31:34,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:34,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-31 19:31:34,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:34,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-31 19:31:34,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-31 19:31:35,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 505 out of 1158 [2023-08-31 19:31:35,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 297 transitions, 2450 flow. Second operand has 8 states, 8 states have (on average 507.125) internal successors, (4057), 8 states have internal predecessors, (4057), 0 states have call successors, (0), 0 states 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 19:31:35,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:35,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 505 of 1158 [2023-08-31 19:31:35,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:35,933 INFO L130 PetriNetUnfolder]: 2209/4901 cut-off events. [2023-08-31 19:31:35,933 INFO L131 PetriNetUnfolder]: For 11813/12132 co-relation queries the response was YES. [2023-08-31 19:31:35,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19121 conditions, 4901 events. 2209/4901 cut-off events. For 11813/12132 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 33294 event pairs, 577 based on Foata normal form. 28/4691 useless extension candidates. Maximal degree in co-relation 19094. Up to 2607 conditions per place. [2023-08-31 19:31:35,962 INFO L137 encePairwiseOnDemand]: 1152/1158 looper letters, 194 selfloop transitions, 1 changer transitions 49/308 dead transitions. [2023-08-31 19:31:35,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 308 transitions, 2982 flow [2023-08-31 19:31:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-31 19:31:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-31 19:31:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 3588 transitions. [2023-08-31 19:31:35,968 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44263508512213173 [2023-08-31 19:31:35,968 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 3588 transitions. [2023-08-31 19:31:35,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 3588 transitions. [2023-08-31 19:31:35,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:35,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 3588 transitions. [2023-08-31 19:31:35,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 512.5714285714286) internal successors, (3588), 7 states have internal predecessors, (3588), 0 states have call successors, (0), 0 states 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 19:31:35,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1158.0) internal successors, (9264), 8 states have internal predecessors, (9264), 0 states have call successors, (0), 0 states 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 19:31:35,979 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1158.0) internal successors, (9264), 8 states have internal predecessors, (9264), 0 states have call successors, (0), 0 states 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 19:31:35,980 INFO L175 Difference]: Start difference. First operand has 130 places, 297 transitions, 2450 flow. Second operand 7 states and 3588 transitions. [2023-08-31 19:31:35,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 308 transitions, 2982 flow [2023-08-31 19:31:36,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 308 transitions, 2872 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-08-31 19:31:36,028 INFO L231 Difference]: Finished difference. Result has 123 places, 259 transitions, 2006 flow [2023-08-31 19:31:36,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=2336, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2006, PETRI_PLACES=123, PETRI_TRANSITIONS=259} [2023-08-31 19:31:36,028 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 10 predicate places. [2023-08-31 19:31:36,028 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 259 transitions, 2006 flow [2023-08-31 19:31:36,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 507.125) internal successors, (4057), 8 states have internal predecessors, (4057), 0 states have call successors, (0), 0 states 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 19:31:36,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:36,030 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] [2023-08-31 19:31:36,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 19:31:36,030 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:36,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:36,030 INFO L85 PathProgramCache]: Analyzing trace with hash -179610530, now seen corresponding path program 1 times [2023-08-31 19:31:36,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:36,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365734387] [2023-08-31 19:31:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:36,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:37,401 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 19:31:37,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:37,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365734387] [2023-08-31 19:31:37,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365734387] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:37,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:37,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:31:37,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730725571] [2023-08-31 19:31:37,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:37,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:31:37,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:37,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:31:37,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:31:37,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 1158 [2023-08-31 19:31:37,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 259 transitions, 2006 flow. Second operand has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:37,877 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:37,877 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 1158 [2023-08-31 19:31:37,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:39,367 INFO L130 PetriNetUnfolder]: 3724/7338 cut-off events. [2023-08-31 19:31:39,367 INFO L131 PetriNetUnfolder]: For 14439/15139 co-relation queries the response was YES. [2023-08-31 19:31:39,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27259 conditions, 7338 events. 3724/7338 cut-off events. For 14439/15139 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 49747 event pairs, 152 based on Foata normal form. 640/7555 useless extension candidates. Maximal degree in co-relation 27233. Up to 3388 conditions per place. [2023-08-31 19:31:39,404 INFO L137 encePairwiseOnDemand]: 1147/1158 looper letters, 306 selfloop transitions, 161 changer transitions 21/538 dead transitions. [2023-08-31 19:31:39,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 538 transitions, 4955 flow [2023-08-31 19:31:39,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:31:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:31:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4666 transitions. [2023-08-31 19:31:39,410 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4477067741316446 [2023-08-31 19:31:39,410 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4666 transitions. [2023-08-31 19:31:39,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4666 transitions. [2023-08-31 19:31:39,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:39,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4666 transitions. [2023-08-31 19:31:39,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 518.4444444444445) internal successors, (4666), 9 states have internal predecessors, (4666), 0 states have call successors, (0), 0 states 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 19:31:39,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:39,424 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:39,425 INFO L175 Difference]: Start difference. First operand has 123 places, 259 transitions, 2006 flow. Second operand 9 states and 4666 transitions. [2023-08-31 19:31:39,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 538 transitions, 4955 flow [2023-08-31 19:31:39,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 538 transitions, 4898 flow, removed 28 selfloop flow, removed 2 redundant places. [2023-08-31 19:31:39,515 INFO L231 Difference]: Finished difference. Result has 121 places, 415 transitions, 4171 flow [2023-08-31 19:31:39,515 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=1991, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4171, PETRI_PLACES=121, PETRI_TRANSITIONS=415} [2023-08-31 19:31:39,516 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 8 predicate places. [2023-08-31 19:31:39,516 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 415 transitions, 4171 flow [2023-08-31 19:31:39,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:39,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:39,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:31:39,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 19:31:39,517 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:39,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:39,518 INFO L85 PathProgramCache]: Analyzing trace with hash -640285082, now seen corresponding path program 2 times [2023-08-31 19:31:39,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:39,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798547308] [2023-08-31 19:31:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:40,513 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 19:31:40,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:40,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798547308] [2023-08-31 19:31:40,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798547308] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:40,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:40,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:31:40,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660713400] [2023-08-31 19:31:40,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:40,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:31:40,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:40,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:31:40,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:31:41,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 1158 [2023-08-31 19:31:41,014 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 415 transitions, 4171 flow. Second operand has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:41,014 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:41,014 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 1158 [2023-08-31 19:31:41,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:42,619 INFO L130 PetriNetUnfolder]: 3848/7681 cut-off events. [2023-08-31 19:31:42,619 INFO L131 PetriNetUnfolder]: For 28013/31552 co-relation queries the response was YES. [2023-08-31 19:31:42,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32909 conditions, 7681 events. 3848/7681 cut-off events. For 28013/31552 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 53874 event pairs, 437 based on Foata normal form. 1925/9353 useless extension candidates. Maximal degree in co-relation 32878. Up to 3913 conditions per place. [2023-08-31 19:31:42,656 INFO L137 encePairwiseOnDemand]: 1140/1158 looper letters, 243 selfloop transitions, 253 changer transitions 28/574 dead transitions. [2023-08-31 19:31:42,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 574 transitions, 6404 flow [2023-08-31 19:31:42,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-31 19:31:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-31 19:31:42,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4163 transitions. [2023-08-31 19:31:42,662 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44937392055267705 [2023-08-31 19:31:42,662 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4163 transitions. [2023-08-31 19:31:42,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4163 transitions. [2023-08-31 19:31:42,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:42,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4163 transitions. [2023-08-31 19:31:42,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 520.375) internal successors, (4163), 8 states have internal predecessors, (4163), 0 states have call successors, (0), 0 states 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 19:31:42,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1158.0) internal successors, (10422), 9 states have internal predecessors, (10422), 0 states have call successors, (0), 0 states 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 19:31:42,672 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1158.0) internal successors, (10422), 9 states have internal predecessors, (10422), 0 states have call successors, (0), 0 states 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 19:31:42,672 INFO L175 Difference]: Start difference. First operand has 121 places, 415 transitions, 4171 flow. Second operand 8 states and 4163 transitions. [2023-08-31 19:31:42,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 574 transitions, 6404 flow [2023-08-31 19:31:42,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 574 transitions, 6399 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-08-31 19:31:42,770 INFO L231 Difference]: Finished difference. Result has 130 places, 481 transitions, 5842 flow [2023-08-31 19:31:42,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=4166, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5842, PETRI_PLACES=130, PETRI_TRANSITIONS=481} [2023-08-31 19:31:42,771 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 17 predicate places. [2023-08-31 19:31:42,771 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 481 transitions, 5842 flow [2023-08-31 19:31:42,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:42,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:42,772 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] [2023-08-31 19:31:42,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 19:31:42,772 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:42,772 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1732153032, now seen corresponding path program 3 times [2023-08-31 19:31:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:42,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371020524] [2023-08-31 19:31:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:43,700 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 19:31:43,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:43,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371020524] [2023-08-31 19:31:43,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371020524] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:43,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:43,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:31:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94336424] [2023-08-31 19:31:43,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:43,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:31:43,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:43,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:31:43,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:31:44,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 1158 [2023-08-31 19:31:44,201 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 481 transitions, 5842 flow. Second operand has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:44,201 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:44,201 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 1158 [2023-08-31 19:31:44,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:46,174 INFO L130 PetriNetUnfolder]: 4689/9440 cut-off events. [2023-08-31 19:31:46,175 INFO L131 PetriNetUnfolder]: For 54222/57852 co-relation queries the response was YES. [2023-08-31 19:31:46,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44273 conditions, 9440 events. 4689/9440 cut-off events. For 54222/57852 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 69381 event pairs, 464 based on Foata normal form. 1265/10387 useless extension candidates. Maximal degree in co-relation 44239. Up to 3897 conditions per place. [2023-08-31 19:31:46,224 INFO L137 encePairwiseOnDemand]: 1140/1158 looper letters, 292 selfloop transitions, 440 changer transitions 22/804 dead transitions. [2023-08-31 19:31:46,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 804 transitions, 10829 flow [2023-08-31 19:31:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:31:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:31:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4688 transitions. [2023-08-31 19:31:46,230 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4498176933410094 [2023-08-31 19:31:46,230 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4688 transitions. [2023-08-31 19:31:46,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4688 transitions. [2023-08-31 19:31:46,231 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:46,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4688 transitions. [2023-08-31 19:31:46,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 520.8888888888889) internal successors, (4688), 9 states have internal predecessors, (4688), 0 states have call successors, (0), 0 states 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 19:31:46,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:46,240 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:46,240 INFO L175 Difference]: Start difference. First operand has 130 places, 481 transitions, 5842 flow. Second operand 9 states and 4688 transitions. [2023-08-31 19:31:46,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 804 transitions, 10829 flow [2023-08-31 19:31:46,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 804 transitions, 10622 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-31 19:31:46,410 INFO L231 Difference]: Finished difference. Result has 140 places, 683 transitions, 9866 flow [2023-08-31 19:31:46,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=5690, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=264, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=9866, PETRI_PLACES=140, PETRI_TRANSITIONS=683} [2023-08-31 19:31:46,411 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 27 predicate places. [2023-08-31 19:31:46,411 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 683 transitions, 9866 flow [2023-08-31 19:31:46,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:46,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:46,412 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] [2023-08-31 19:31:46,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 19:31:46,412 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:46,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:46,413 INFO L85 PathProgramCache]: Analyzing trace with hash 558172944, now seen corresponding path program 4 times [2023-08-31 19:31:46,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:46,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353367502] [2023-08-31 19:31:46,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:46,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:47,361 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 19:31:47,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:47,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353367502] [2023-08-31 19:31:47,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353367502] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:47,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:47,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:31:47,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035350541] [2023-08-31 19:31:47,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:47,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:31:47,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:47,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:31:47,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:31:48,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 1158 [2023-08-31 19:31:48,062 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 683 transitions, 9866 flow. Second operand has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:48,062 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:48,062 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 1158 [2023-08-31 19:31:48,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:50,591 INFO L130 PetriNetUnfolder]: 5162/10426 cut-off events. [2023-08-31 19:31:50,592 INFO L131 PetriNetUnfolder]: For 75819/79492 co-relation queries the response was YES. [2023-08-31 19:31:50,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54525 conditions, 10426 events. 5162/10426 cut-off events. For 75819/79492 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 78713 event pairs, 525 based on Foata normal form. 1934/11990 useless extension candidates. Maximal degree in co-relation 54485. Up to 5067 conditions per place. [2023-08-31 19:31:50,654 INFO L137 encePairwiseOnDemand]: 1140/1158 looper letters, 347 selfloop transitions, 471 changer transitions 12/880 dead transitions. [2023-08-31 19:31:50,654 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 880 transitions, 13612 flow [2023-08-31 19:31:50,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:31:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:31:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4686 transitions. [2023-08-31 19:31:50,666 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4496257915947035 [2023-08-31 19:31:50,666 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4686 transitions. [2023-08-31 19:31:50,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4686 transitions. [2023-08-31 19:31:50,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:50,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4686 transitions. [2023-08-31 19:31:50,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 520.6666666666666) internal successors, (4686), 9 states have internal predecessors, (4686), 0 states have call successors, (0), 0 states 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 19:31:50,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:50,676 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:50,676 INFO L175 Difference]: Start difference. First operand has 140 places, 683 transitions, 9866 flow. Second operand 9 states and 4686 transitions. [2023-08-31 19:31:50,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 880 transitions, 13612 flow [2023-08-31 19:31:50,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 880 transitions, 13178 flow, removed 214 selfloop flow, removed 2 redundant places. [2023-08-31 19:31:50,997 INFO L231 Difference]: Finished difference. Result has 151 places, 788 transitions, 12999 flow [2023-08-31 19:31:50,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=9508, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=384, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=12999, PETRI_PLACES=151, PETRI_TRANSITIONS=788} [2023-08-31 19:31:50,998 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 38 predicate places. [2023-08-31 19:31:50,998 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 788 transitions, 12999 flow [2023-08-31 19:31:50,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:50,999 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:50,999 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] [2023-08-31 19:31:50,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 19:31:50,999 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:50,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:51,000 INFO L85 PathProgramCache]: Analyzing trace with hash -2074970010, now seen corresponding path program 5 times [2023-08-31 19:31:51,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:51,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775158307] [2023-08-31 19:31:51,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:51,947 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 19:31:51,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:51,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775158307] [2023-08-31 19:31:51,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775158307] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:51,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:51,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-31 19:31:51,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277095429] [2023-08-31 19:31:51,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:51,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-31 19:31:51,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:51,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-31 19:31:51,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-08-31 19:31:52,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 1158 [2023-08-31 19:31:52,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 788 transitions, 12999 flow. Second operand has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:52,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:52,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 1158 [2023-08-31 19:31:52,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:31:54,999 INFO L130 PetriNetUnfolder]: 5192/10458 cut-off events. [2023-08-31 19:31:55,000 INFO L131 PetriNetUnfolder]: For 95561/98985 co-relation queries the response was YES. [2023-08-31 19:31:55,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58923 conditions, 10458 events. 5192/10458 cut-off events. For 95561/98985 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 79264 event pairs, 435 based on Foata normal form. 1561/11626 useless extension candidates. Maximal degree in co-relation 58879. Up to 4690 conditions per place. [2023-08-31 19:31:55,077 INFO L137 encePairwiseOnDemand]: 1140/1158 looper letters, 367 selfloop transitions, 548 changer transitions 9/974 dead transitions. [2023-08-31 19:31:55,078 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 974 transitions, 16792 flow [2023-08-31 19:31:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:31:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:31:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4687 transitions. [2023-08-31 19:31:55,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44972174246785646 [2023-08-31 19:31:55,083 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4687 transitions. [2023-08-31 19:31:55,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4687 transitions. [2023-08-31 19:31:55,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:31:55,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4687 transitions. [2023-08-31 19:31:55,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 520.7777777777778) internal successors, (4687), 9 states have internal predecessors, (4687), 0 states have call successors, (0), 0 states 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 19:31:55,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:55,094 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:31:55,094 INFO L175 Difference]: Start difference. First operand has 151 places, 788 transitions, 12999 flow. Second operand 9 states and 4687 transitions. [2023-08-31 19:31:55,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 974 transitions, 16792 flow [2023-08-31 19:31:55,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 974 transitions, 16470 flow, removed 97 selfloop flow, removed 3 redundant places. [2023-08-31 19:31:55,475 INFO L231 Difference]: Finished difference. Result has 161 places, 879 transitions, 15925 flow [2023-08-31 19:31:55,475 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=12681, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=788, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=476, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=15925, PETRI_PLACES=161, PETRI_TRANSITIONS=879} [2023-08-31 19:31:55,476 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 48 predicate places. [2023-08-31 19:31:55,476 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 879 transitions, 15925 flow [2023-08-31 19:31:55,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 504.0) internal successors, (4536), 9 states have internal predecessors, (4536), 0 states have call successors, (0), 0 states 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 19:31:55,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:31:55,477 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] [2023-08-31 19:31:55,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 19:31:55,477 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_write_nvramErr8ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:31:55,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:31:55,477 INFO L85 PathProgramCache]: Analyzing trace with hash -551453660, now seen corresponding path program 1 times [2023-08-31 19:31:55,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:31:55,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550720202] [2023-08-31 19:31:55,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:31:55,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:31:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:31:56,560 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 19:31:56,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:31:56,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550720202] [2023-08-31 19:31:56,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550720202] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:31:56,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:31:56,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-31 19:31:56,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219128837] [2023-08-31 19:31:56,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:31:56,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:31:56,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:31:56,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:31:56,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:31:56,805 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 1158 [2023-08-31 19:31:56,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 879 transitions, 15925 flow. Second operand has 10 states, 10 states have (on average 477.4) internal successors, (4774), 10 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states 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 19:31:56,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:31:56,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 1158 [2023-08-31 19:31:56,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:00,881 INFO L130 PetriNetUnfolder]: 9873/17253 cut-off events. [2023-08-31 19:32:00,882 INFO L131 PetriNetUnfolder]: For 204027/204847 co-relation queries the response was YES. [2023-08-31 19:32:00,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107075 conditions, 17253 events. 9873/17253 cut-off events. For 204027/204847 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 119469 event pairs, 3536 based on Foata normal form. 234/17214 useless extension candidates. Maximal degree in co-relation 107026. Up to 14670 conditions per place. [2023-08-31 19:32:00,989 INFO L137 encePairwiseOnDemand]: 1141/1158 looper letters, 821 selfloop transitions, 577 changer transitions 44/1458 dead transitions. [2023-08-31 19:32:00,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 1458 transitions, 27496 flow [2023-08-31 19:32:00,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 19:32:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 19:32:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4895 transitions. [2023-08-31 19:32:00,994 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42271157167530227 [2023-08-31 19:32:00,994 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 4895 transitions. [2023-08-31 19:32:00,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 4895 transitions. [2023-08-31 19:32:00,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:00,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 4895 transitions. [2023-08-31 19:32:00,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 489.5) internal successors, (4895), 10 states have internal predecessors, (4895), 0 states have call successors, (0), 0 states 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 19:32:01,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1158.0) internal successors, (12738), 11 states have internal predecessors, (12738), 0 states have call successors, (0), 0 states 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 19:32:01,005 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1158.0) internal successors, (12738), 11 states have internal predecessors, (12738), 0 states have call successors, (0), 0 states 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 19:32:01,005 INFO L175 Difference]: Start difference. First operand has 161 places, 879 transitions, 15925 flow. Second operand 10 states and 4895 transitions. [2023-08-31 19:32:01,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 1458 transitions, 27496 flow [2023-08-31 19:32:01,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 1458 transitions, 27115 flow, removed 158 selfloop flow, removed 2 redundant places. [2023-08-31 19:32:01,949 INFO L231 Difference]: Finished difference. Result has 177 places, 1374 transitions, 25489 flow [2023-08-31 19:32:01,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=15699, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=879, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=25489, PETRI_PLACES=177, PETRI_TRANSITIONS=1374} [2023-08-31 19:32:01,950 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 64 predicate places. [2023-08-31 19:32:01,950 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 1374 transitions, 25489 flow [2023-08-31 19:32:01,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 477.4) internal successors, (4774), 10 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states 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 19:32:01,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:01,951 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:32:01,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 19:32:01,951 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_write_nvramErr8ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:32:01,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:01,952 INFO L85 PathProgramCache]: Analyzing trace with hash -989505777, now seen corresponding path program 1 times [2023-08-31 19:32:01,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:01,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050863164] [2023-08-31 19:32:01,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:01,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:03,312 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 19:32:03,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:03,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050863164] [2023-08-31 19:32:03,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050863164] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:03,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:03,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-31 19:32:03,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522933724] [2023-08-31 19:32:03,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:03,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-31 19:32:03,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:03,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-31 19:32:03,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2023-08-31 19:32:03,739 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 1158 [2023-08-31 19:32:03,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 1374 transitions, 25489 flow. Second operand has 13 states, 13 states have (on average 471.9230769230769) internal successors, (6135), 13 states have internal predecessors, (6135), 0 states have call successors, (0), 0 states 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 19:32:03,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:03,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 1158 [2023-08-31 19:32:03,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:09,433 INFO L130 PetriNetUnfolder]: 9886/17430 cut-off events. [2023-08-31 19:32:09,434 INFO L131 PetriNetUnfolder]: For 208060/208692 co-relation queries the response was YES. [2023-08-31 19:32:09,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115803 conditions, 17430 events. 9886/17430 cut-off events. For 208060/208692 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 122311 event pairs, 1638 based on Foata normal form. 312/17587 useless extension candidates. Maximal degree in co-relation 115746. Up to 12533 conditions per place. [2023-08-31 19:32:09,637 INFO L137 encePairwiseOnDemand]: 1143/1158 looper letters, 992 selfloop transitions, 874 changer transitions 9/1891 dead transitions. [2023-08-31 19:32:09,637 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 1891 transitions, 37979 flow [2023-08-31 19:32:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-31 19:32:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-31 19:32:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5794 transitions. [2023-08-31 19:32:09,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4169545192861255 [2023-08-31 19:32:09,642 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5794 transitions. [2023-08-31 19:32:09,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5794 transitions. [2023-08-31 19:32:09,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:09,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5794 transitions. [2023-08-31 19:32:09,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 482.8333333333333) internal successors, (5794), 12 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 19:32:09,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:32:09,655 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:32:09,656 INFO L175 Difference]: Start difference. First operand has 177 places, 1374 transitions, 25489 flow. Second operand 12 states and 5794 transitions. [2023-08-31 19:32:09,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 1891 transitions, 37979 flow [2023-08-31 19:32:10,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 1891 transitions, 37027 flow, removed 476 selfloop flow, removed 0 redundant places. [2023-08-31 19:32:10,831 INFO L231 Difference]: Finished difference. Result has 197 places, 1745 transitions, 35416 flow [2023-08-31 19:32:10,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=24537, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=537, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=35416, PETRI_PLACES=197, PETRI_TRANSITIONS=1745} [2023-08-31 19:32:10,832 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 84 predicate places. [2023-08-31 19:32:10,832 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 1745 transitions, 35416 flow [2023-08-31 19:32:10,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 471.9230769230769) internal successors, (6135), 13 states have internal predecessors, (6135), 0 states have call successors, (0), 0 states 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 19:32:10,833 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:10,833 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:32:10,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 19:32:10,833 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:32:10,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash 577802225, now seen corresponding path program 1 times [2023-08-31 19:32:10,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:10,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049551402] [2023-08-31 19:32:10,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:10,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:12,936 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 19:32:12,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:12,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049551402] [2023-08-31 19:32:12,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049551402] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:12,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:12,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:32:12,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705653178] [2023-08-31 19:32:12,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:12,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:32:12,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:12,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:32:12,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:32:13,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 1158 [2023-08-31 19:32:13,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 1745 transitions, 35416 flow. Second operand has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:13,627 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:13,627 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 1158 [2023-08-31 19:32:13,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:17,856 INFO L130 PetriNetUnfolder]: 7117/14109 cut-off events. [2023-08-31 19:32:17,856 INFO L131 PetriNetUnfolder]: For 166200/168939 co-relation queries the response was YES. [2023-08-31 19:32:17,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100445 conditions, 14109 events. 7117/14109 cut-off events. For 166200/168939 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 110934 event pairs, 892 based on Foata normal form. 1806/15650 useless extension candidates. Maximal degree in co-relation 100378. Up to 5787 conditions per place. [2023-08-31 19:32:18,156 INFO L137 encePairwiseOnDemand]: 1142/1158 looper letters, 1607 selfloop transitions, 209 changer transitions 91/1959 dead transitions. [2023-08-31 19:32:18,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 1959 transitions, 41937 flow [2023-08-31 19:32:18,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-31 19:32:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-31 19:32:18,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4155 transitions. [2023-08-31 19:32:18,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4485103626943005 [2023-08-31 19:32:18,166 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4155 transitions. [2023-08-31 19:32:18,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4155 transitions. [2023-08-31 19:32:18,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:18,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4155 transitions. [2023-08-31 19:32:18,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 519.375) internal successors, (4155), 8 states have internal predecessors, (4155), 0 states have call successors, (0), 0 states 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 19:32:18,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1158.0) internal successors, (10422), 9 states have internal predecessors, (10422), 0 states have call successors, (0), 0 states 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 19:32:18,176 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1158.0) internal successors, (10422), 9 states have internal predecessors, (10422), 0 states have call successors, (0), 0 states 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 19:32:18,176 INFO L175 Difference]: Start difference. First operand has 197 places, 1745 transitions, 35416 flow. Second operand 8 states and 4155 transitions. [2023-08-31 19:32:18,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 1959 transitions, 41937 flow [2023-08-31 19:32:19,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 1959 transitions, 41191 flow, removed 367 selfloop flow, removed 2 redundant places. [2023-08-31 19:32:19,459 INFO L231 Difference]: Finished difference. Result has 205 places, 1730 transitions, 35123 flow [2023-08-31 19:32:19,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=34708, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1745, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=182, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=35123, PETRI_PLACES=205, PETRI_TRANSITIONS=1730} [2023-08-31 19:32:19,461 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 92 predicate places. [2023-08-31 19:32:19,461 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 1730 transitions, 35123 flow [2023-08-31 19:32:19,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:19,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:19,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:32:19,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 19:32:19,462 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:32:19,462 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1673190485, now seen corresponding path program 2 times [2023-08-31 19:32:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:19,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053906719] [2023-08-31 19:32:19,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:19,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:21,503 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 19:32:21,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:21,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053906719] [2023-08-31 19:32:21,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053906719] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:21,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:21,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:32:21,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722812654] [2023-08-31 19:32:21,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:21,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:32:21,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:21,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:32:21,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:32:22,134 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 1158 [2023-08-31 19:32:22,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 1730 transitions, 35123 flow. Second operand has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:22,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:22,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 1158 [2023-08-31 19:32:22,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:26,771 INFO L130 PetriNetUnfolder]: 7733/15490 cut-off events. [2023-08-31 19:32:26,771 INFO L131 PetriNetUnfolder]: For 200181/202908 co-relation queries the response was YES. [2023-08-31 19:32:26,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110992 conditions, 15490 events. 7733/15490 cut-off events. For 200181/202908 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 124656 event pairs, 304 based on Foata normal form. 1762/16980 useless extension candidates. Maximal degree in co-relation 110922. Up to 5773 conditions per place. [2023-08-31 19:32:26,910 INFO L137 encePairwiseOnDemand]: 1150/1158 looper letters, 1791 selfloop transitions, 90 changer transitions 90/2023 dead transitions. [2023-08-31 19:32:26,911 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 2023 transitions, 42555 flow [2023-08-31 19:32:26,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:32:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:32:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4645 transitions. [2023-08-31 19:32:26,914 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4456918057954327 [2023-08-31 19:32:26,915 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4645 transitions. [2023-08-31 19:32:26,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4645 transitions. [2023-08-31 19:32:26,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:26,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4645 transitions. [2023-08-31 19:32:26,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 516.1111111111111) internal successors, (4645), 9 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states 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 19:32:26,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:32:26,923 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:32:26,923 INFO L175 Difference]: Start difference. First operand has 205 places, 1730 transitions, 35123 flow. Second operand 9 states and 4645 transitions. [2023-08-31 19:32:26,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 2023 transitions, 42555 flow [2023-08-31 19:32:28,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 2023 transitions, 41708 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 19:32:28,623 INFO L231 Difference]: Finished difference. Result has 213 places, 1694 transitions, 34221 flow [2023-08-31 19:32:28,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=34296, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1641, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=34221, PETRI_PLACES=213, PETRI_TRANSITIONS=1694} [2023-08-31 19:32:28,625 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 100 predicate places. [2023-08-31 19:32:28,625 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 1694 transitions, 34221 flow [2023-08-31 19:32:28,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:28,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:28,625 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:32:28,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 19:32:28,626 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:32:28,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:28,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1876181901, now seen corresponding path program 3 times [2023-08-31 19:32:28,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:28,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131105315] [2023-08-31 19:32:28,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:28,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:30,280 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 19:32:30,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:30,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131105315] [2023-08-31 19:32:30,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131105315] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:30,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:30,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:32:30,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863268403] [2023-08-31 19:32:30,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:30,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:32:30,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:30,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:32:30,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:32:30,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 1158 [2023-08-31 19:32:30,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 1694 transitions, 34221 flow. Second operand has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:30,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:30,941 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 1158 [2023-08-31 19:32:30,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:36,502 INFO L130 PetriNetUnfolder]: 8040/16606 cut-off events. [2023-08-31 19:32:36,502 INFO L131 PetriNetUnfolder]: For 229427/231393 co-relation queries the response was YES. [2023-08-31 19:32:36,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120628 conditions, 16606 events. 8040/16606 cut-off events. For 229427/231393 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 138612 event pairs, 875 based on Foata normal form. 1113/17412 useless extension candidates. Maximal degree in co-relation 120553. Up to 6136 conditions per place. [2023-08-31 19:32:36,647 INFO L137 encePairwiseOnDemand]: 1142/1158 looper letters, 1620 selfloop transitions, 217 changer transitions 101/1990 dead transitions. [2023-08-31 19:32:36,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 1990 transitions, 42143 flow [2023-08-31 19:32:36,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:32:36,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:32:36,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4677 transitions. [2023-08-31 19:32:36,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.448762233736327 [2023-08-31 19:32:36,652 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4677 transitions. [2023-08-31 19:32:36,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4677 transitions. [2023-08-31 19:32:36,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:36,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4677 transitions. [2023-08-31 19:32:36,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 519.6666666666666) internal successors, (4677), 9 states have internal predecessors, (4677), 0 states have call successors, (0), 0 states 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 19:32:36,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:32:36,661 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:32:36,661 INFO L175 Difference]: Start difference. First operand has 213 places, 1694 transitions, 34221 flow. Second operand 9 states and 4677 transitions. [2023-08-31 19:32:36,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 1990 transitions, 42143 flow [2023-08-31 19:32:38,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 1990 transitions, 42032 flow, removed 55 selfloop flow, removed 1 redundant places. [2023-08-31 19:32:38,717 INFO L231 Difference]: Finished difference. Result has 225 places, 1684 transitions, 35002 flow [2023-08-31 19:32:38,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=34110, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=35002, PETRI_PLACES=225, PETRI_TRANSITIONS=1684} [2023-08-31 19:32:38,718 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 112 predicate places. [2023-08-31 19:32:38,718 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 1684 transitions, 35002 flow [2023-08-31 19:32:38,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:38,719 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:38,719 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:32:38,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 19:32:38,719 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:32:38,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:38,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1156238559, now seen corresponding path program 4 times [2023-08-31 19:32:38,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:38,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236021066] [2023-08-31 19:32:38,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:38,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 19:32:42,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:42,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236021066] [2023-08-31 19:32:42,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236021066] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:42,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:42,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:32:42,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014653350] [2023-08-31 19:32:42,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:42,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:32:42,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:42,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:32:42,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:32:43,193 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 501 out of 1158 [2023-08-31 19:32:43,195 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 1684 transitions, 35002 flow. Second operand has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:43,195 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:43,195 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 501 of 1158 [2023-08-31 19:32:43,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:32:49,052 INFO L130 PetriNetUnfolder]: 8591/17995 cut-off events. [2023-08-31 19:32:49,052 INFO L131 PetriNetUnfolder]: For 277552/279544 co-relation queries the response was YES. [2023-08-31 19:32:49,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134503 conditions, 17995 events. 8591/17995 cut-off events. For 277552/279544 co-relation queries the response was YES. Maximal size of possible extension queue 491. Compared 154097 event pairs, 769 based on Foata normal form. 927/18591 useless extension candidates. Maximal degree in co-relation 134423. Up to 6687 conditions per place. [2023-08-31 19:32:49,223 INFO L137 encePairwiseOnDemand]: 1142/1158 looper letters, 1636 selfloop transitions, 230 changer transitions 139/2057 dead transitions. [2023-08-31 19:32:49,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 2057 transitions, 44442 flow [2023-08-31 19:32:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:32:49,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:32:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4678 transitions. [2023-08-31 19:32:49,227 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44885818460947996 [2023-08-31 19:32:49,227 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4678 transitions. [2023-08-31 19:32:49,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4678 transitions. [2023-08-31 19:32:49,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:32:49,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4678 transitions. [2023-08-31 19:32:49,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 519.7777777777778) internal successors, (4678), 9 states have internal predecessors, (4678), 0 states have call successors, (0), 0 states 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 19:32:49,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:32:49,234 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:32:49,234 INFO L175 Difference]: Start difference. First operand has 225 places, 1684 transitions, 35002 flow. Second operand 9 states and 4678 transitions. [2023-08-31 19:32:49,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 2057 transitions, 44442 flow [2023-08-31 19:32:51,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 2057 transitions, 44239 flow, removed 58 selfloop flow, removed 4 redundant places. [2023-08-31 19:32:51,895 INFO L231 Difference]: Finished difference. Result has 235 places, 1670 transitions, 35963 flow [2023-08-31 19:32:51,896 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=34820, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=35963, PETRI_PLACES=235, PETRI_TRANSITIONS=1670} [2023-08-31 19:32:51,896 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 122 predicate places. [2023-08-31 19:32:51,896 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 1670 transitions, 35963 flow [2023-08-31 19:32:51,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 503.1) internal successors, (5031), 10 states have internal predecessors, (5031), 0 states have call successors, (0), 0 states 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 19:32:51,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:32:51,897 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:32:51,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 19:32:51,897 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:32:51,898 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:32:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1349967793, now seen corresponding path program 5 times [2023-08-31 19:32:51,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:32:51,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136259992] [2023-08-31 19:32:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:32:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:32:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:32:53,743 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 19:32:53,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:32:53,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136259992] [2023-08-31 19:32:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136259992] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:32:53,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:32:53,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-31 19:32:53,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971972658] [2023-08-31 19:32:53,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:32:53,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-31 19:32:53,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:32:53,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-31 19:32:53,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-08-31 19:32:54,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 502 out of 1158 [2023-08-31 19:32:54,357 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 1670 transitions, 35963 flow. Second operand has 10 states, 10 states have (on average 504.1) internal successors, (5041), 10 states have internal predecessors, (5041), 0 states have call successors, (0), 0 states 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 19:32:54,357 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:32:54,358 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 502 of 1158 [2023-08-31 19:32:54,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:33:00,623 INFO L130 PetriNetUnfolder]: 8417/18267 cut-off events. [2023-08-31 19:33:00,624 INFO L131 PetriNetUnfolder]: For 311346/313187 co-relation queries the response was YES. [2023-08-31 19:33:00,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138970 conditions, 18267 events. 8417/18267 cut-off events. For 311346/313187 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 161439 event pairs, 631 based on Foata normal form. 793/18715 useless extension candidates. Maximal degree in co-relation 138885. Up to 6743 conditions per place. [2023-08-31 19:33:00,839 INFO L137 encePairwiseOnDemand]: 1142/1158 looper letters, 1587 selfloop transitions, 228 changer transitions 201/2053 dead transitions. [2023-08-31 19:33:00,839 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 2053 transitions, 45661 flow [2023-08-31 19:33:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-31 19:33:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-31 19:33:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 4686 transitions. [2023-08-31 19:33:00,843 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4496257915947035 [2023-08-31 19:33:00,843 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 4686 transitions. [2023-08-31 19:33:00,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 4686 transitions. [2023-08-31 19:33:00,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:33:00,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 4686 transitions. [2023-08-31 19:33:00,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 520.6666666666666) internal successors, (4686), 9 states have internal predecessors, (4686), 0 states have call successors, (0), 0 states 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 19:33:00,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:33:00,851 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 1158.0) internal successors, (11580), 10 states have internal predecessors, (11580), 0 states have call successors, (0), 0 states 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 19:33:00,851 INFO L175 Difference]: Start difference. First operand has 235 places, 1670 transitions, 35963 flow. Second operand 9 states and 4686 transitions. [2023-08-31 19:33:00,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 2053 transitions, 45661 flow [2023-08-31 19:33:03,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 2053 transitions, 45130 flow, removed 68 selfloop flow, removed 6 redundant places. [2023-08-31 19:33:04,009 INFO L231 Difference]: Finished difference. Result has 241 places, 1582 transitions, 35844 flow [2023-08-31 19:33:04,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=35459, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=35844, PETRI_PLACES=241, PETRI_TRANSITIONS=1582} [2023-08-31 19:33:04,016 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 128 predicate places. [2023-08-31 19:33:04,016 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 1582 transitions, 35844 flow [2023-08-31 19:33:04,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 504.1) internal successors, (5041), 10 states have internal predecessors, (5041), 0 states have call successors, (0), 0 states 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 19:33:04,017 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:33:04,017 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 19:33:04,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 19:33:04,017 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_write_nvramErr8ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:33:04,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:33:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1570319369, now seen corresponding path program 1 times [2023-08-31 19:33:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:33:04,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985195857] [2023-08-31 19:33:04,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:33:04,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:33:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:33:12,315 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 19:33:12,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:33:12,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985195857] [2023-08-31 19:33:12,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985195857] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:33:12,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:33:12,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-08-31 19:33:12,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839294671] [2023-08-31 19:33:12,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:33:12,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-31 19:33:12,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:33:12,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-31 19:33:12,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-08-31 19:33:12,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 1158 [2023-08-31 19:33:12,895 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 1582 transitions, 35844 flow. Second operand has 14 states, 14 states have (on average 469.7857142857143) internal successors, (6577), 14 states have internal predecessors, (6577), 0 states have call successors, (0), 0 states 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 19:33:12,895 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:33:12,895 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 1158 [2023-08-31 19:33:12,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:33:19,709 INFO L130 PetriNetUnfolder]: 9557/17764 cut-off events. [2023-08-31 19:33:19,709 INFO L131 PetriNetUnfolder]: For 357677/357922 co-relation queries the response was YES. [2023-08-31 19:33:19,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151608 conditions, 17764 events. 9557/17764 cut-off events. For 357677/357922 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 137022 event pairs, 1535 based on Foata normal form. 137/17719 useless extension candidates. Maximal degree in co-relation 151522. Up to 12791 conditions per place. [2023-08-31 19:33:19,869 INFO L137 encePairwiseOnDemand]: 1142/1158 looper letters, 933 selfloop transitions, 288 changer transitions 561/1794 dead transitions. [2023-08-31 19:33:19,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 1794 transitions, 42817 flow [2023-08-31 19:33:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-31 19:33:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-31 19:33:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5758 transitions. [2023-08-31 19:33:19,874 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.414363845710996 [2023-08-31 19:33:19,874 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5758 transitions. [2023-08-31 19:33:19,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5758 transitions. [2023-08-31 19:33:19,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:33:19,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5758 transitions. [2023-08-31 19:33:19,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 479.8333333333333) internal successors, (5758), 12 states have internal predecessors, (5758), 0 states have call successors, (0), 0 states 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 19:33:19,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:33:19,883 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:33:19,883 INFO L175 Difference]: Start difference. First operand has 241 places, 1582 transitions, 35844 flow. Second operand 12 states and 5758 transitions. [2023-08-31 19:33:19,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 1794 transitions, 42817 flow [2023-08-31 19:33:23,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 1794 transitions, 42208 flow, removed 191 selfloop flow, removed 3 redundant places. [2023-08-31 19:33:23,337 INFO L231 Difference]: Finished difference. Result has 247 places, 1180 transitions, 24495 flow [2023-08-31 19:33:23,337 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=35470, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=24495, PETRI_PLACES=247, PETRI_TRANSITIONS=1180} [2023-08-31 19:33:23,338 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 134 predicate places. [2023-08-31 19:33:23,338 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 1180 transitions, 24495 flow [2023-08-31 19:33:23,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 469.7857142857143) internal successors, (6577), 14 states have internal predecessors, (6577), 0 states have call successors, (0), 0 states 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 19:33:23,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 19:33:23,339 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, 1, 1] [2023-08-31 19:33:23,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-31 19:33:23,339 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_write_nvramErr8ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-31 19:33:23,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 19:33:23,339 INFO L85 PathProgramCache]: Analyzing trace with hash -100800732, now seen corresponding path program 1 times [2023-08-31 19:33:23,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 19:33:23,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9107592] [2023-08-31 19:33:23,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 19:33:23,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 19:33:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 19:33:35,573 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 19:33:35,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 19:33:35,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9107592] [2023-08-31 19:33:35,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9107592] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 19:33:35,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 19:33:35,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-08-31 19:33:35,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167989565] [2023-08-31 19:33:35,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 19:33:35,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-31 19:33:35,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 19:33:35,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-31 19:33:35,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-08-31 19:33:36,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 1158 [2023-08-31 19:33:36,156 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 1180 transitions, 24495 flow. Second operand has 14 states, 14 states have (on average 469.92857142857144) internal successors, (6579), 14 states have internal predecessors, (6579), 0 states have call successors, (0), 0 states 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 19:33:36,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 19:33:36,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 1158 [2023-08-31 19:33:36,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 19:33:40,216 INFO L130 PetriNetUnfolder]: 6200/11463 cut-off events. [2023-08-31 19:33:40,216 INFO L131 PetriNetUnfolder]: For 222331/222347 co-relation queries the response was YES. [2023-08-31 19:33:40,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95049 conditions, 11463 events. 6200/11463 cut-off events. For 222331/222347 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 81192 event pairs, 1117 based on Foata normal form. 68/11415 useless extension candidates. Maximal degree in co-relation 94956. Up to 5474 conditions per place. [2023-08-31 19:33:40,324 INFO L137 encePairwiseOnDemand]: 1147/1158 looper letters, 0 selfloop transitions, 0 changer transitions 1426/1426 dead transitions. [2023-08-31 19:33:40,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 1426 transitions, 31027 flow [2023-08-31 19:33:40,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-31 19:33:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-31 19:33:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 5748 transitions. [2023-08-31 19:33:40,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41364421416234887 [2023-08-31 19:33:40,328 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 5748 transitions. [2023-08-31 19:33:40,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 5748 transitions. [2023-08-31 19:33:40,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 19:33:40,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 5748 transitions. [2023-08-31 19:33:40,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 479.0) internal successors, (5748), 12 states have internal predecessors, (5748), 0 states have call successors, (0), 0 states 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 19:33:40,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:33:40,338 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 1158.0) internal successors, (15054), 13 states have internal predecessors, (15054), 0 states have call successors, (0), 0 states 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 19:33:40,338 INFO L175 Difference]: Start difference. First operand has 247 places, 1180 transitions, 24495 flow. Second operand 12 states and 5748 transitions. [2023-08-31 19:33:40,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 1426 transitions, 31027 flow [2023-08-31 19:33:42,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 1426 transitions, 27021 flow, removed 531 selfloop flow, removed 18 redundant places. [2023-08-31 19:33:42,400 INFO L231 Difference]: Finished difference. Result has 235 places, 0 transitions, 0 flow [2023-08-31 19:33:42,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1158, PETRI_DIFFERENCE_MINUEND_FLOW=20788, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=235, PETRI_TRANSITIONS=0} [2023-08-31 19:33:42,403 INFO L281 CegarLoopForPetriNet]: 113 programPoint places, 122 predicate places. [2023-08-31 19:33:42,403 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 0 transitions, 0 flow [2023-08-31 19:33:42,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 469.92857142857144) internal successors, (6579), 14 states have internal predecessors, (6579), 0 states have call successors, (0), 0 states 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 19:33:42,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2023-08-31 19:33:42,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2023-08-31 19:33:42,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2023-08-31 19:33:42,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr5ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr6ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr8ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr9ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2023-08-31 19:33:42,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2023-08-31 19:33:42,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2023-08-31 19:33:42,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2023-08-31 19:33:42,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2023-08-31 19:33:42,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2023-08-31 19:33:42,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr0ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr1ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr2ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr3ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr4ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr5ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2023-08-31 19:33:42,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr2ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr3ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr4ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr5ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr6ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr7ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr8ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2023-08-31 19:33:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr9ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2023-08-31 19:33:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr0ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2023-08-31 19:33:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr1ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2023-08-31 19:33:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr2ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2023-08-31 19:33:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr3ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2023-08-31 19:33:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr4ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2023-08-31 19:33:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_unlocked_ioctlErr5ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2023-08-31 19:33:42,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-31 19:33:42,415 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 19:33:42,439 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 19:33:42,439 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 19:33:42,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 07:33:42 BasicIcfg [2023-08-31 19:33:42,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 19:33:42,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 19:33:42,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 19:33:42,442 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 19:33:42,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 07:21:48" (3/4) ... [2023-08-31 19:33:42,444 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 19:33:42,447 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2023-08-31 19:33:42,447 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2023-08-31 19:33:42,451 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-08-31 19:33:42,451 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-08-31 19:33:42,452 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-08-31 19:33:42,452 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 19:33:42,452 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 19:33:42,491 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 19:33:42,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 19:33:42,491 INFO L158 Benchmark]: Toolchain (without parser) took 718310.21ms. Allocated memory was 90.2MB in the beginning and 4.3GB in the end (delta: 4.3GB). Free memory was 56.4MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2023-08-31 19:33:42,492 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 67.1MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 19:33:42,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3502.76ms. Allocated memory was 90.2MB in the beginning and 192.9MB in the end (delta: 102.8MB). Free memory was 56.2MB in the beginning and 75.9MB in the end (delta: -19.7MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2023-08-31 19:33:42,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.16ms. Allocated memory is still 192.9MB. Free memory was 75.9MB in the beginning and 60.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-31 19:33:42,492 INFO L158 Benchmark]: Boogie Preprocessor took 69.18ms. Allocated memory is still 192.9MB. Free memory was 60.1MB in the beginning and 54.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 19:33:42,492 INFO L158 Benchmark]: RCFGBuilder took 922.76ms. Allocated memory is still 192.9MB. Free memory was 54.9MB in the beginning and 63.3MB in the end (delta: -8.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 19:33:42,493 INFO L158 Benchmark]: TraceAbstraction took 713616.03ms. Allocated memory was 192.9MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 63.3MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 3.9GB. Max. memory is 16.1GB. [2023-08-31 19:33:42,493 INFO L158 Benchmark]: Witness Printer took 49.19ms. Allocated memory is still 4.3GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 19:33:42,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 67.1MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3502.76ms. Allocated memory was 90.2MB in the beginning and 192.9MB in the end (delta: 102.8MB). Free memory was 56.2MB in the beginning and 75.9MB in the end (delta: -19.7MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.16ms. Allocated memory is still 192.9MB. Free memory was 75.9MB in the beginning and 60.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.18ms. Allocated memory is still 192.9MB. Free memory was 60.1MB in the beginning and 54.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 922.76ms. Allocated memory is still 192.9MB. Free memory was 54.9MB in the beginning and 63.3MB in the end (delta: -8.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 713616.03ms. Allocated memory was 192.9MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 63.3MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 3.9GB. Max. memory is 16.1GB. * Witness Printer took 49.19ms. Allocated memory is still 4.3GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 563.7s, 521 PlacesBefore, 113 PlacesAfterwards, 526 TransitionsBefore, 110 TransitionsAfterwards, 23334 CoEnabledTransitionPairs, 12 FixpointIterations, 406 TrivialSequentialCompositions, 170 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 23 ConcurrentYvCompositions, 8 ChoiceCompositions, 622 TotalNumberOfCompositions, 87336 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26304, independent: 24550, independent conditional: 0, independent unconditional: 24550, dependent: 1754, dependent conditional: 0, dependent unconditional: 1754, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12185, independent: 11946, independent conditional: 0, independent unconditional: 11946, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26304, independent: 12604, independent conditional: 0, independent unconditional: 12604, dependent: 1515, dependent conditional: 0, dependent unconditional: 1515, unknown: 12185, unknown conditional: 0, unknown unconditional: 12185] , Statistics on independence cache: Total cache size (in pairs): 679, Positive cache size: 549, Positive conditional cache size: 0, Positive unconditional cache size: 549, Negative cache size: 130, Negative conditional cache size: 0, Negative unconditional cache size: 130, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 6814]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6814]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6814]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6814]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6840]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6841]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6842]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6843]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6844]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6845]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6846]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6848]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6849]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6850]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6851]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6852]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6853]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6854]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6855]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6856]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6857]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6858]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6784]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6863]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6864]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 6824]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 443]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 444]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 461]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 729 locations, 59 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 713.4s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 96.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 563.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7141 SdHoareTripleChecker+Valid, 23.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5249 mSDsluCounter, 1481 SdHoareTripleChecker+Invalid, 21.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1230 mSDsCounter, 3601 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25411 IncrementalHoareTripleChecker+Invalid, 29012 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3601 mSolverCounterUnsat, 251 mSDtfsCounter, 25411 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 386 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35963occurred in iteration=19, InterpolantAutomatonStates: 187, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 50.0s InterpolantComputationTime, 629 NumberOfCodeBlocks, 629 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 607 ConstructedInterpolants, 0 QuantifiedInterpolants, 12929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 19:33:42,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE