./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:15:07,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:15:07,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:15:07,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:15:07,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:15:07,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:15:07,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:15:07,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:15:07,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:15:07,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:15:07,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:15:07,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:15:07,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:15:07,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:15:07,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:15:07,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:15:07,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:15:07,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:15:07,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:15:07,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:15:07,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:15:07,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:15:07,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:15:07,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:15:07,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:15:07,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:15:07,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:15:07,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:15:07,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:15:07,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:15:07,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:15:07,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:15:07,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:15:07,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:15:07,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:15:07,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:15:07,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:15:07,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:15:07,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:15:07,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:15:07,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:15:07,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:15:07,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:15:07,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:15:07,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:15:07,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:15:07,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:15:07,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:15:07,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:15:07,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:15:07,588 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:15:07,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:15:07,589 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:15:07,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:15:07,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:15:07,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:15:07,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:15:07,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:15:07,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:15:07,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:15:07,591 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:15:07,591 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:15:07,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:15:07,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:15:07,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:15:07,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:15:07,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:15:07,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:15:07,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:15:07,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:15:07,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:15:07,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:15:07,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:15:07,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:15:07,594 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:15:07,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:15:07,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:15:07,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-21 16:15:07,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:15:07,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:15:07,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:15:07,876 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:15:07,877 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:15:07,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-21 16:15:10,981 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:15:11,540 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:15:11,541 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-21 16:15:11,589 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/data/92c0458e9/9b287cea59114ac9bf7bb5c61683f84a/FLAG953f76840 [2022-11-21 16:15:11,612 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/data/92c0458e9/9b287cea59114ac9bf7bb5c61683f84a [2022-11-21 16:15:11,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:15:11,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:15:11,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:15:11,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:15:11,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:15:11,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:15:11" (1/1) ... [2022-11-21 16:15:11,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72876c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:11, skipping insertion in model container [2022-11-21 16:15:11,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:15:11" (1/1) ... [2022-11-21 16:15:11,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:15:11,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:15:12,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-21 16:15:17,277 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-11-21 16:15:18,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:15:18,214 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:15:18,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-21 16:15:18,694 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-11-21 16:15:18,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:15:19,307 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:15:19,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19 WrapperNode [2022-11-21 16:15:19,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:15:19,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:15:19,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:15:19,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:15:19,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,539 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 492 [2022-11-21 16:15:19,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:15:19,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:15:19,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:15:19,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:15:19,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,598 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:15:19,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:15:19,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:15:19,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:15:19,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (1/1) ... [2022-11-21 16:15:19,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:15:19,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:15:19,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:15:19,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea43592b-2c0c-42b3-830d-f1dc03abc884/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:15:19,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:15:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:15:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-11-21 16:15:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-11-21 16:15:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:15:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:15:19,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:15:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:15:19,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:15:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:15:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-11-21 16:15:19,721 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-11-21 16:15:19,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:15:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:15:19,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:15:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:15:19,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:15:19,725 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:15:20,410 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:15:20,413 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:15:21,426 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:15:21,496 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:15:21,497 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:15:21,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:15:21 BoogieIcfgContainer [2022-11-21 16:15:21,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:15:21,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:15:21,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:15:21,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:15:21,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:15:11" (1/3) ... [2022-11-21 16:15:21,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb3800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:15:21, skipping insertion in model container [2022-11-21 16:15:21,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:15:19" (2/3) ... [2022-11-21 16:15:21,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb3800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:15:21, skipping insertion in model container [2022-11-21 16:15:21,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:15:21" (3/3) ... [2022-11-21 16:15:21,511 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-21 16:15:21,522 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:15:21,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:15:21,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-11-21 16:15:21,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:15:21,693 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-21 16:15:21,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 560 places, 565 transitions, 1146 flow [2022-11-21 16:15:22,135 INFO L130 PetriNetUnfolder]: 12/563 cut-off events. [2022-11-21 16:15:22,135 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 16:15:22,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 572 conditions, 563 events. 12/563 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 634 event pairs, 0 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 474. Up to 4 conditions per place. [2022-11-21 16:15:22,152 INFO L82 GeneralOperation]: Start removeDead. Operand has 560 places, 565 transitions, 1146 flow [2022-11-21 16:15:22,168 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 549 places, 554 transitions, 1117 flow [2022-11-21 16:15:22,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:15:22,199 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;@2564debd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:15:22,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-11-21 16:15:22,216 INFO L130 PetriNetUnfolder]: 0/71 cut-off events. [2022-11-21 16:15:22,216 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:15:22,217 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:22,219 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:22,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:22,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:22,227 INFO L85 PathProgramCache]: Analyzing trace with hash -260764065, now seen corresponding path program 1 times [2022-11-21 16:15:22,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:22,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098073792] [2022-11-21 16:15:22,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:22,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:22,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:22,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098073792] [2022-11-21 16:15:22,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098073792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:22,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:22,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:22,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875463869] [2022-11-21 16:15:22,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:22,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:22,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:22,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:22,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:22,947 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:22,955 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 554 transitions, 1117 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:22,955 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:22,955 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:22,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:23,242 INFO L130 PetriNetUnfolder]: 13/586 cut-off events. [2022-11-21 16:15:23,244 INFO L131 PetriNetUnfolder]: For 11/12 co-relation queries the response was YES. [2022-11-21 16:15:23,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 586 events. 13/586 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 895 event pairs, 2 based on Foata normal form. 3/538 useless extension candidates. Maximal degree in co-relation 475. Up to 13 conditions per place. [2022-11-21 16:15:23,252 INFO L137 encePairwiseOnDemand]: 556/565 looper letters, 8 selfloop transitions, 2 changer transitions 1/546 dead transitions. [2022-11-21 16:15:23,253 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 546 transitions, 1121 flow [2022-11-21 16:15:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1655 transitions. [2022-11-21 16:15:23,282 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.976401179941003 [2022-11-21 16:15:23,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1655 transitions. [2022-11-21 16:15:23,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1655 transitions. [2022-11-21 16:15:23,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:23,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1655 transitions. [2022-11-21 16:15:23,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,325 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,328 INFO L175 Difference]: Start difference. First operand has 549 places, 554 transitions, 1117 flow. Second operand 3 states and 1655 transitions. [2022-11-21 16:15:23,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 546 transitions, 1121 flow [2022-11-21 16:15:23,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 546 transitions, 1116 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-21 16:15:23,357 INFO L231 Difference]: Finished difference. Result has 543 places, 545 transitions, 1098 flow [2022-11-21 16:15:23,360 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=543, PETRI_TRANSITIONS=545} [2022-11-21 16:15:23,367 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -6 predicate places. [2022-11-21 16:15:23,367 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 545 transitions, 1098 flow [2022-11-21 16:15:23,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,369 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:23,370 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:23,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:15:23,371 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:23,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:23,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1719691233, now seen corresponding path program 1 times [2022-11-21 16:15:23,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:23,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590608911] [2022-11-21 16:15:23,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:23,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:23,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:23,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590608911] [2022-11-21 16:15:23,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590608911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:23,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:23,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:23,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513403687] [2022-11-21 16:15:23,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:23,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:23,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:23,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:23,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:23,572 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:23,575 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 545 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:23,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:23,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:23,831 INFO L130 PetriNetUnfolder]: 13/584 cut-off events. [2022-11-21 16:15:23,832 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:23,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 584 events. 13/584 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 889 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 526. Up to 13 conditions per place. [2022-11-21 16:15:23,839 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2022-11-21 16:15:23,839 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 544 transitions, 1116 flow [2022-11-21 16:15:23,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:23,844 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:23,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:23,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:23,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:23,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:23,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,858 INFO L175 Difference]: Start difference. First operand has 543 places, 545 transitions, 1098 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:23,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 544 transitions, 1116 flow [2022-11-21 16:15:23,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 544 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:23,873 INFO L231 Difference]: Finished difference. Result has 541 places, 544 transitions, 1096 flow [2022-11-21 16:15:23,874 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1096, PETRI_PLACES=541, PETRI_TRANSITIONS=544} [2022-11-21 16:15:23,875 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -8 predicate places. [2022-11-21 16:15:23,876 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 544 transitions, 1096 flow [2022-11-21 16:15:23,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:23,877 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:23,878 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:23,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:15:23,878 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:23,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1521916321, now seen corresponding path program 1 times [2022-11-21 16:15:23,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:23,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773171410] [2022-11-21 16:15:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:23,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:24,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:24,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773171410] [2022-11-21 16:15:24,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773171410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:24,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:24,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:24,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93856346] [2022-11-21 16:15:24,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:24,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:24,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:24,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:24,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:24,113 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:24,116 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 544 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:24,116 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:24,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:24,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:24,380 INFO L130 PetriNetUnfolder]: 13/583 cut-off events. [2022-11-21 16:15:24,380 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:24,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 583 events. 13/583 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 888 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 518. Up to 13 conditions per place. [2022-11-21 16:15:24,387 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/543 dead transitions. [2022-11-21 16:15:24,387 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 543 transitions, 1114 flow [2022-11-21 16:15:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:24,392 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:24,392 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:24,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:24,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:24,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:24,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:24,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:24,404 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:24,405 INFO L175 Difference]: Start difference. First operand has 541 places, 544 transitions, 1096 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:24,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 543 transitions, 1114 flow [2022-11-21 16:15:24,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 543 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:24,416 INFO L231 Difference]: Finished difference. Result has 540 places, 543 transitions, 1094 flow [2022-11-21 16:15:24,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=540, PETRI_TRANSITIONS=543} [2022-11-21 16:15:24,418 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -9 predicate places. [2022-11-21 16:15:24,418 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 543 transitions, 1094 flow [2022-11-21 16:15:24,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:24,420 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:24,420 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:24,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:15:24,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:24,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:24,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1751829961, now seen corresponding path program 1 times [2022-11-21 16:15:24,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:24,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820461734] [2022-11-21 16:15:24,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:24,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:24,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:24,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820461734] [2022-11-21 16:15:24,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820461734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:24,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:24,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:24,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017117892] [2022-11-21 16:15:24,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:24,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:24,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:24,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:24,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:24,657 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 565 [2022-11-21 16:15:24,660 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 543 transitions, 1094 flow. Second operand has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:24,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:24,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 565 [2022-11-21 16:15:24,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:25,123 INFO L130 PetriNetUnfolder]: 35/1048 cut-off events. [2022-11-21 16:15:25,124 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:15:25,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 1048 events. 35/1048 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 3155 event pairs, 11 based on Foata normal form. 0/945 useless extension candidates. Maximal degree in co-relation 1003. Up to 34 conditions per place. [2022-11-21 16:15:25,134 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 11 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2022-11-21 16:15:25,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 542 transitions, 1118 flow [2022-11-21 16:15:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1643 transitions. [2022-11-21 16:15:25,145 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9693215339233038 [2022-11-21 16:15:25,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1643 transitions. [2022-11-21 16:15:25,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1643 transitions. [2022-11-21 16:15:25,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:25,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1643 transitions. [2022-11-21 16:15:25,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,158 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,164 INFO L175 Difference]: Start difference. First operand has 540 places, 543 transitions, 1094 flow. Second operand 3 states and 1643 transitions. [2022-11-21 16:15:25,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 542 transitions, 1118 flow [2022-11-21 16:15:25,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 542 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:25,181 INFO L231 Difference]: Finished difference. Result has 539 places, 542 transitions, 1092 flow [2022-11-21 16:15:25,182 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1092, PETRI_PLACES=539, PETRI_TRANSITIONS=542} [2022-11-21 16:15:25,184 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -10 predicate places. [2022-11-21 16:15:25,184 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 542 transitions, 1092 flow [2022-11-21 16:15:25,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,186 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:25,186 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:25,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:15:25,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:25,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:25,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1201076423, now seen corresponding path program 1 times [2022-11-21 16:15:25,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:25,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603496900] [2022-11-21 16:15:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:25,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:25,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:25,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:25,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603496900] [2022-11-21 16:15:25,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603496900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:25,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:25,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:25,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284519845] [2022-11-21 16:15:25,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:25,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:25,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:25,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:25,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:25,316 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:25,318 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 542 transitions, 1092 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,318 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:25,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:25,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:25,493 INFO L130 PetriNetUnfolder]: 13/581 cut-off events. [2022-11-21 16:15:25,493 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:25,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 581 events. 13/581 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 887 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 502. Up to 13 conditions per place. [2022-11-21 16:15:25,499 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2022-11-21 16:15:25,499 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 541 transitions, 1110 flow [2022-11-21 16:15:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:25,504 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:25,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:25,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:25,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:25,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:25,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,518 INFO L175 Difference]: Start difference. First operand has 539 places, 542 transitions, 1092 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:25,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 541 transitions, 1110 flow [2022-11-21 16:15:25,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 541 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:25,530 INFO L231 Difference]: Finished difference. Result has 538 places, 541 transitions, 1090 flow [2022-11-21 16:15:25,531 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=538, PETRI_TRANSITIONS=541} [2022-11-21 16:15:25,532 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -11 predicate places. [2022-11-21 16:15:25,533 INFO L495 AbstractCegarLoop]: Abstraction has has 538 places, 541 transitions, 1090 flow [2022-11-21 16:15:25,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,534 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:25,534 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:25,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:15:25,535 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:25,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:25,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1754050208, now seen corresponding path program 1 times [2022-11-21 16:15:25,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:25,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296792759] [2022-11-21 16:15:25,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:25,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:25,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:25,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296792759] [2022-11-21 16:15:25,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296792759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:25,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:25,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:25,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857186956] [2022-11-21 16:15:25,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:25,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:25,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:25,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:25,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:25,651 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 565 [2022-11-21 16:15:25,653 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 541 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:25,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 565 [2022-11-21 16:15:25,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:25,830 INFO L130 PetriNetUnfolder]: 16/604 cut-off events. [2022-11-21 16:15:25,831 INFO L131 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2022-11-21 16:15:25,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 604 events. 16/604 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1071 event pairs, 5 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 527. Up to 22 conditions per place. [2022-11-21 16:15:25,837 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 11 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2022-11-21 16:15:25,838 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 540 transitions, 1114 flow [2022-11-21 16:15:25,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1643 transitions. [2022-11-21 16:15:25,842 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9693215339233038 [2022-11-21 16:15:25,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1643 transitions. [2022-11-21 16:15:25,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1643 transitions. [2022-11-21 16:15:25,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:25,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1643 transitions. [2022-11-21 16:15:25,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,856 INFO L175 Difference]: Start difference. First operand has 538 places, 541 transitions, 1090 flow. Second operand 3 states and 1643 transitions. [2022-11-21 16:15:25,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 540 transitions, 1114 flow [2022-11-21 16:15:25,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 540 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:25,868 INFO L231 Difference]: Finished difference. Result has 537 places, 540 transitions, 1088 flow [2022-11-21 16:15:25,869 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1088, PETRI_PLACES=537, PETRI_TRANSITIONS=540} [2022-11-21 16:15:25,870 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -12 predicate places. [2022-11-21 16:15:25,870 INFO L495 AbstractCegarLoop]: Abstraction has has 537 places, 540 transitions, 1088 flow [2022-11-21 16:15:25,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,872 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:25,872 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:25,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:15:25,873 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:25,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:25,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1528849984, now seen corresponding path program 1 times [2022-11-21 16:15:25,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:25,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613986033] [2022-11-21 16:15:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:25,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:25,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:25,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613986033] [2022-11-21 16:15:25,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613986033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:25,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:25,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:25,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478575854] [2022-11-21 16:15:25,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:25,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:25,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:25,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:25,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:25,995 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:25,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 540 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:25,998 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:25,998 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:25,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:26,142 INFO L130 PetriNetUnfolder]: 13/579 cut-off events. [2022-11-21 16:15:26,143 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:26,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 579 events. 13/579 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 889 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 486. Up to 13 conditions per place. [2022-11-21 16:15:26,148 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/539 dead transitions. [2022-11-21 16:15:26,149 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 539 transitions, 1106 flow [2022-11-21 16:15:26,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:26,153 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:26,154 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:26,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,165 INFO L175 Difference]: Start difference. First operand has 537 places, 540 transitions, 1088 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:26,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 539 transitions, 1106 flow [2022-11-21 16:15:26,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 539 transitions, 1102 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:26,177 INFO L231 Difference]: Finished difference. Result has 536 places, 539 transitions, 1086 flow [2022-11-21 16:15:26,178 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1086, PETRI_PLACES=536, PETRI_TRANSITIONS=539} [2022-11-21 16:15:26,179 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -13 predicate places. [2022-11-21 16:15:26,179 INFO L495 AbstractCegarLoop]: Abstraction has has 536 places, 539 transitions, 1086 flow [2022-11-21 16:15:26,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,181 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:26,182 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:26,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:15:26,182 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:26,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:26,183 INFO L85 PathProgramCache]: Analyzing trace with hash -238999213, now seen corresponding path program 1 times [2022-11-21 16:15:26,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:26,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525920803] [2022-11-21 16:15:26,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:26,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:26,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:26,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525920803] [2022-11-21 16:15:26,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525920803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:26,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:26,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:26,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825331763] [2022-11-21 16:15:26,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:26,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:26,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:26,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:26,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:26,309 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:26,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 539 transitions, 1086 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:26,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:26,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:26,461 INFO L130 PetriNetUnfolder]: 13/578 cut-off events. [2022-11-21 16:15:26,462 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:26,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 578 events. 13/578 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 889 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 478. Up to 13 conditions per place. [2022-11-21 16:15:26,468 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/538 dead transitions. [2022-11-21 16:15:26,469 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 538 transitions, 1104 flow [2022-11-21 16:15:26,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:26,473 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:26,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:26,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,485 INFO L175 Difference]: Start difference. First operand has 536 places, 539 transitions, 1086 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:26,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 538 transitions, 1104 flow [2022-11-21 16:15:26,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 538 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:26,496 INFO L231 Difference]: Finished difference. Result has 535 places, 538 transitions, 1084 flow [2022-11-21 16:15:26,497 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=535, PETRI_TRANSITIONS=538} [2022-11-21 16:15:26,498 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -14 predicate places. [2022-11-21 16:15:26,498 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 538 transitions, 1084 flow [2022-11-21 16:15:26,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,499 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:26,500 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:26,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:15:26,500 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:26,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:26,501 INFO L85 PathProgramCache]: Analyzing trace with hash -421755584, now seen corresponding path program 1 times [2022-11-21 16:15:26,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:26,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705701556] [2022-11-21 16:15:26,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:26,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:26,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:26,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705701556] [2022-11-21 16:15:26,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705701556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:26,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:26,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:26,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263670991] [2022-11-21 16:15:26,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:26,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:26,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:26,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:26,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:26,624 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:26,626 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 538 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,627 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:26,627 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:26,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:26,772 INFO L130 PetriNetUnfolder]: 13/577 cut-off events. [2022-11-21 16:15:26,803 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:26,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 577 events. 13/577 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 892 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 470. Up to 13 conditions per place. [2022-11-21 16:15:26,808 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/537 dead transitions. [2022-11-21 16:15:26,808 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 537 transitions, 1102 flow [2022-11-21 16:15:26,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:26,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:26,813 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:26,813 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:26,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:26,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,824 INFO L175 Difference]: Start difference. First operand has 535 places, 538 transitions, 1084 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:26,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 537 transitions, 1102 flow [2022-11-21 16:15:26,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 537 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:26,835 INFO L231 Difference]: Finished difference. Result has 534 places, 537 transitions, 1082 flow [2022-11-21 16:15:26,836 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1082, PETRI_PLACES=534, PETRI_TRANSITIONS=537} [2022-11-21 16:15:26,837 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -15 predicate places. [2022-11-21 16:15:26,837 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 537 transitions, 1082 flow [2022-11-21 16:15:26,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,839 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:26,839 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:26,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:15:26,839 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:26,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:26,840 INFO L85 PathProgramCache]: Analyzing trace with hash -187010596, now seen corresponding path program 1 times [2022-11-21 16:15:26,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:26,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014545672] [2022-11-21 16:15:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:26,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:26,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014545672] [2022-11-21 16:15:26,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014545672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:26,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:26,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:26,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419667147] [2022-11-21 16:15:26,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:26,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:26,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:26,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:26,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:26,973 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:26,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 537 transitions, 1082 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:26,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:26,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:26,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:27,123 INFO L130 PetriNetUnfolder]: 13/576 cut-off events. [2022-11-21 16:15:27,123 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:27,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 598 conditions, 576 events. 13/576 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 891 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 462. Up to 13 conditions per place. [2022-11-21 16:15:27,130 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/536 dead transitions. [2022-11-21 16:15:27,130 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 536 transitions, 1100 flow [2022-11-21 16:15:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:27,136 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:27,136 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:27,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:27,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:27,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:27,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,147 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,148 INFO L175 Difference]: Start difference. First operand has 534 places, 537 transitions, 1082 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:27,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 536 transitions, 1100 flow [2022-11-21 16:15:27,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 536 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:27,160 INFO L231 Difference]: Finished difference. Result has 533 places, 536 transitions, 1080 flow [2022-11-21 16:15:27,161 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1080, PETRI_PLACES=533, PETRI_TRANSITIONS=536} [2022-11-21 16:15:27,162 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -16 predicate places. [2022-11-21 16:15:27,162 INFO L495 AbstractCegarLoop]: Abstraction has has 533 places, 536 transitions, 1080 flow [2022-11-21 16:15:27,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,164 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:27,164 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:27,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:15:27,165 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:27,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:27,165 INFO L85 PathProgramCache]: Analyzing trace with hash -901997480, now seen corresponding path program 1 times [2022-11-21 16:15:27,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:27,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233262787] [2022-11-21 16:15:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:27,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:27,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:27,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233262787] [2022-11-21 16:15:27,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233262787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:27,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:27,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:27,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377702042] [2022-11-21 16:15:27,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:27,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:27,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:27,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:27,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:27,296 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:27,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 536 transitions, 1080 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:27,298 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:27,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:27,449 INFO L130 PetriNetUnfolder]: 13/575 cut-off events. [2022-11-21 16:15:27,449 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:27,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 575 events. 13/575 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 888 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 454. Up to 13 conditions per place. [2022-11-21 16:15:27,455 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/535 dead transitions. [2022-11-21 16:15:27,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 535 transitions, 1098 flow [2022-11-21 16:15:27,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:27,460 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:27,460 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:27,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:27,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:27,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:27,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,470 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,470 INFO L175 Difference]: Start difference. First operand has 533 places, 536 transitions, 1080 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:27,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 535 transitions, 1098 flow [2022-11-21 16:15:27,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 535 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:27,481 INFO L231 Difference]: Finished difference. Result has 532 places, 535 transitions, 1078 flow [2022-11-21 16:15:27,482 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=533, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1078, PETRI_PLACES=532, PETRI_TRANSITIONS=535} [2022-11-21 16:15:27,483 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -17 predicate places. [2022-11-21 16:15:27,483 INFO L495 AbstractCegarLoop]: Abstraction has has 532 places, 535 transitions, 1078 flow [2022-11-21 16:15:27,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,484 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:27,484 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:27,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:15:27,485 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:27,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2114688604, now seen corresponding path program 1 times [2022-11-21 16:15:27,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:27,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601762995] [2022-11-21 16:15:27,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:27,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:27,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:27,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601762995] [2022-11-21 16:15:27,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601762995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:27,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:27,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:27,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471692907] [2022-11-21 16:15:27,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:27,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:27,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:27,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:27,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:27,624 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 565 [2022-11-21 16:15:27,626 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 535 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,627 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:27,627 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 565 [2022-11-21 16:15:27,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:27,897 INFO L130 PetriNetUnfolder]: 35/1031 cut-off events. [2022-11-21 16:15:27,897 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:15:27,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 1031 events. 35/1031 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 3144 event pairs, 11 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 930. Up to 34 conditions per place. [2022-11-21 16:15:27,908 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 11 selfloop transitions, 2 changer transitions 0/534 dead transitions. [2022-11-21 16:15:27,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 534 transitions, 1102 flow [2022-11-21 16:15:27,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1643 transitions. [2022-11-21 16:15:27,913 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9693215339233038 [2022-11-21 16:15:27,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1643 transitions. [2022-11-21 16:15:27,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1643 transitions. [2022-11-21 16:15:27,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:27,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1643 transitions. [2022-11-21 16:15:27,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,925 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,925 INFO L175 Difference]: Start difference. First operand has 532 places, 535 transitions, 1078 flow. Second operand 3 states and 1643 transitions. [2022-11-21 16:15:27,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 534 transitions, 1102 flow [2022-11-21 16:15:27,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 534 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:27,936 INFO L231 Difference]: Finished difference. Result has 531 places, 534 transitions, 1076 flow [2022-11-21 16:15:27,938 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1076, PETRI_PLACES=531, PETRI_TRANSITIONS=534} [2022-11-21 16:15:27,939 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -18 predicate places. [2022-11-21 16:15:27,939 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 534 transitions, 1076 flow [2022-11-21 16:15:27,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:27,940 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:27,940 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:27,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:15:27,941 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:27,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:27,942 INFO L85 PathProgramCache]: Analyzing trace with hash -390671542, now seen corresponding path program 1 times [2022-11-21 16:15:27,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:27,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556610887] [2022-11-21 16:15:27,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:27,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:28,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:28,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556610887] [2022-11-21 16:15:28,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556610887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:28,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:28,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:28,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060165988] [2022-11-21 16:15:28,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:28,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:28,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:28,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:28,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:28,072 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:28,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 534 transitions, 1076 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,075 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:28,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:28,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:28,239 INFO L130 PetriNetUnfolder]: 13/573 cut-off events. [2022-11-21 16:15:28,240 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:28,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 595 conditions, 573 events. 13/573 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 888 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 438. Up to 13 conditions per place. [2022-11-21 16:15:28,244 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/533 dead transitions. [2022-11-21 16:15:28,244 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 533 transitions, 1094 flow [2022-11-21 16:15:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:28,249 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:28,249 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:28,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,258 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,259 INFO L175 Difference]: Start difference. First operand has 531 places, 534 transitions, 1076 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:28,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 533 transitions, 1094 flow [2022-11-21 16:15:28,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 533 transitions, 1090 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:28,268 INFO L231 Difference]: Finished difference. Result has 530 places, 533 transitions, 1074 flow [2022-11-21 16:15:28,269 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1074, PETRI_PLACES=530, PETRI_TRANSITIONS=533} [2022-11-21 16:15:28,270 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -19 predicate places. [2022-11-21 16:15:28,270 INFO L495 AbstractCegarLoop]: Abstraction has has 530 places, 533 transitions, 1074 flow [2022-11-21 16:15:28,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,271 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:28,271 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:28,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:15:28,272 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:28,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:28,273 INFO L85 PathProgramCache]: Analyzing trace with hash 602810769, now seen corresponding path program 1 times [2022-11-21 16:15:28,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:28,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874233299] [2022-11-21 16:15:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:28,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:28,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:28,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874233299] [2022-11-21 16:15:28,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874233299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:28,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:28,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:28,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247115801] [2022-11-21 16:15:28,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:28,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:28,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:28,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:28,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:28,404 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:28,406 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 533 transitions, 1074 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,407 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:28,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:28,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:28,532 INFO L130 PetriNetUnfolder]: 13/572 cut-off events. [2022-11-21 16:15:28,532 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:28,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 572 events. 13/572 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 889 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 430. Up to 13 conditions per place. [2022-11-21 16:15:28,537 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/532 dead transitions. [2022-11-21 16:15:28,538 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 532 transitions, 1092 flow [2022-11-21 16:15:28,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:28,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:28,542 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:28,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:28,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,551 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,552 INFO L175 Difference]: Start difference. First operand has 530 places, 533 transitions, 1074 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:28,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 532 transitions, 1092 flow [2022-11-21 16:15:28,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 532 transitions, 1088 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:28,562 INFO L231 Difference]: Finished difference. Result has 529 places, 532 transitions, 1072 flow [2022-11-21 16:15:28,563 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=529, PETRI_TRANSITIONS=532} [2022-11-21 16:15:28,563 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -20 predicate places. [2022-11-21 16:15:28,564 INFO L495 AbstractCegarLoop]: Abstraction has has 529 places, 532 transitions, 1072 flow [2022-11-21 16:15:28,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,565 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:28,565 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:28,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:15:28,565 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:28,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:28,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1933495814, now seen corresponding path program 1 times [2022-11-21 16:15:28,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:28,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971850786] [2022-11-21 16:15:28,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:28,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:28,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:28,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971850786] [2022-11-21 16:15:28,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971850786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:28,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:28,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:28,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229873376] [2022-11-21 16:15:28,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:28,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:28,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:28,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:28,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:28,738 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:28,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 532 transitions, 1072 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:28,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:28,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:28,869 INFO L130 PetriNetUnfolder]: 13/571 cut-off events. [2022-11-21 16:15:28,869 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:28,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 571 events. 13/571 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 888 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 422. Up to 13 conditions per place. [2022-11-21 16:15:28,875 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/531 dead transitions. [2022-11-21 16:15:28,875 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 531 transitions, 1090 flow [2022-11-21 16:15:28,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:28,879 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:28,880 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:28,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:28,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,919 INFO L175 Difference]: Start difference. First operand has 529 places, 532 transitions, 1072 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:28,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 531 transitions, 1090 flow [2022-11-21 16:15:28,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 531 transitions, 1086 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:28,930 INFO L231 Difference]: Finished difference. Result has 528 places, 531 transitions, 1070 flow [2022-11-21 16:15:28,931 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=529, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1070, PETRI_PLACES=528, PETRI_TRANSITIONS=531} [2022-11-21 16:15:28,933 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -21 predicate places. [2022-11-21 16:15:28,933 INFO L495 AbstractCegarLoop]: Abstraction has has 528 places, 531 transitions, 1070 flow [2022-11-21 16:15:28,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:28,934 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:28,934 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:28,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:15:28,935 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:28,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:28,936 INFO L85 PathProgramCache]: Analyzing trace with hash -787112776, now seen corresponding path program 1 times [2022-11-21 16:15:28,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:28,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261220489] [2022-11-21 16:15:28,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:29,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:29,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261220489] [2022-11-21 16:15:29,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261220489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:29,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:29,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:29,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104467609] [2022-11-21 16:15:29,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:29,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:29,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:29,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:29,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:29,084 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:29,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 531 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:29,087 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:29,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:29,214 INFO L130 PetriNetUnfolder]: 13/570 cut-off events. [2022-11-21 16:15:29,215 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:29,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 570 events. 13/570 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 888 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 414. Up to 13 conditions per place. [2022-11-21 16:15:29,222 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 8 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2022-11-21 16:15:29,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 530 transitions, 1088 flow [2022-11-21 16:15:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:29,227 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:29,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:29,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:29,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:29,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:29,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,238 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,239 INFO L175 Difference]: Start difference. First operand has 528 places, 531 transitions, 1070 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:29,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 530 transitions, 1088 flow [2022-11-21 16:15:29,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 530 transitions, 1084 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:29,250 INFO L231 Difference]: Finished difference. Result has 527 places, 530 transitions, 1068 flow [2022-11-21 16:15:29,252 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1068, PETRI_PLACES=527, PETRI_TRANSITIONS=530} [2022-11-21 16:15:29,253 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -22 predicate places. [2022-11-21 16:15:29,254 INFO L495 AbstractCegarLoop]: Abstraction has has 527 places, 530 transitions, 1068 flow [2022-11-21 16:15:29,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,255 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:29,255 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:29,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 16:15:29,255 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:29,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:29,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1715155248, now seen corresponding path program 1 times [2022-11-21 16:15:29,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:29,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227905417] [2022-11-21 16:15:29,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:29,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:29,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:29,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227905417] [2022-11-21 16:15:29,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227905417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:29,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:29,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:29,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797111819] [2022-11-21 16:15:29,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:29,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:29,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:29,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:29,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:29,398 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 565 [2022-11-21 16:15:29,400 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 530 transitions, 1068 flow. Second operand has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,400 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:29,401 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 565 [2022-11-21 16:15:29,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:29,701 INFO L130 PetriNetUnfolder]: 37/1075 cut-off events. [2022-11-21 16:15:29,701 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:15:29,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 1075 events. 37/1075 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 3451 event pairs, 11 based on Foata normal form. 0/992 useless extension candidates. Maximal degree in co-relation 939. Up to 34 conditions per place. [2022-11-21 16:15:29,712 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 11 selfloop transitions, 2 changer transitions 0/529 dead transitions. [2022-11-21 16:15:29,713 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 529 transitions, 1092 flow [2022-11-21 16:15:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1643 transitions. [2022-11-21 16:15:29,719 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9693215339233038 [2022-11-21 16:15:29,719 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1643 transitions. [2022-11-21 16:15:29,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1643 transitions. [2022-11-21 16:15:29,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:29,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1643 transitions. [2022-11-21 16:15:29,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,731 INFO L175 Difference]: Start difference. First operand has 527 places, 530 transitions, 1068 flow. Second operand 3 states and 1643 transitions. [2022-11-21 16:15:29,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 529 transitions, 1092 flow [2022-11-21 16:15:29,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 529 transitions, 1088 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:29,744 INFO L231 Difference]: Finished difference. Result has 526 places, 529 transitions, 1066 flow [2022-11-21 16:15:29,745 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=529, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=527, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=526, PETRI_TRANSITIONS=529} [2022-11-21 16:15:29,746 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -23 predicate places. [2022-11-21 16:15:29,746 INFO L495 AbstractCegarLoop]: Abstraction has has 526 places, 529 transitions, 1066 flow [2022-11-21 16:15:29,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 544.3333333333334) internal successors, (1633), 3 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,747 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:29,747 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:29,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 16:15:29,748 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:29,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:29,749 INFO L85 PathProgramCache]: Analyzing trace with hash 148401150, now seen corresponding path program 1 times [2022-11-21 16:15:29,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:29,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42551603] [2022-11-21 16:15:29,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:29,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:29,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:29,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42551603] [2022-11-21 16:15:29,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42551603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:29,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:29,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:29,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770691847] [2022-11-21 16:15:29,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:29,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:29,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:29,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:29,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:29,938 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 565 [2022-11-21 16:15:29,940 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 529 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 535.3333333333334) internal successors, (1606), 3 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:29,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:29,941 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 565 [2022-11-21 16:15:29,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:30,251 INFO L130 PetriNetUnfolder]: 62/1098 cut-off events. [2022-11-21 16:15:30,251 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-21 16:15:30,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1204 conditions, 1098 events. 62/1098 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4341 event pairs, 35 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 1012. Up to 91 conditions per place. [2022-11-21 16:15:30,262 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 20 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2022-11-21 16:15:30,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 528 transitions, 1108 flow [2022-11-21 16:15:30,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1625 transitions. [2022-11-21 16:15:30,267 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9587020648967551 [2022-11-21 16:15:30,268 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1625 transitions. [2022-11-21 16:15:30,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1625 transitions. [2022-11-21 16:15:30,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:30,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1625 transitions. [2022-11-21 16:15:30,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 541.6666666666666) internal successors, (1625), 3 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,278 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,278 INFO L175 Difference]: Start difference. First operand has 526 places, 529 transitions, 1066 flow. Second operand 3 states and 1625 transitions. [2022-11-21 16:15:30,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 527 places, 528 transitions, 1108 flow [2022-11-21 16:15:30,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 528 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:30,289 INFO L231 Difference]: Finished difference. Result has 525 places, 528 transitions, 1064 flow [2022-11-21 16:15:30,290 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1064, PETRI_PLACES=525, PETRI_TRANSITIONS=528} [2022-11-21 16:15:30,291 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -24 predicate places. [2022-11-21 16:15:30,291 INFO L495 AbstractCegarLoop]: Abstraction has has 525 places, 528 transitions, 1064 flow [2022-11-21 16:15:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 535.3333333333334) internal successors, (1606), 3 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,292 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:30,292 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:30,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 16:15:30,293 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:30,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash -803174408, now seen corresponding path program 1 times [2022-11-21 16:15:30,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:30,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50157864] [2022-11-21 16:15:30,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:30,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:30,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:30,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50157864] [2022-11-21 16:15:30,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50157864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:30,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:30,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:30,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671284984] [2022-11-21 16:15:30,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:30,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:30,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:30,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:30,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:30,442 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 565 [2022-11-21 16:15:30,444 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 528 transitions, 1064 flow. Second operand has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,444 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:30,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 565 [2022-11-21 16:15:30,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:30,714 INFO L130 PetriNetUnfolder]: 45/1016 cut-off events. [2022-11-21 16:15:30,714 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 16:15:30,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 1016 events. 45/1016 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3697 event pairs, 20 based on Foata normal form. 0/953 useless extension candidates. Maximal degree in co-relation 883. Up to 53 conditions per place. [2022-11-21 16:15:30,731 INFO L137 encePairwiseOnDemand]: 560/565 looper letters, 14 selfloop transitions, 1 changer transitions 0/524 dead transitions. [2022-11-21 16:15:30,731 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 524 transitions, 1086 flow [2022-11-21 16:15:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1630 transitions. [2022-11-21 16:15:30,737 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9616519174041298 [2022-11-21 16:15:30,737 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1630 transitions. [2022-11-21 16:15:30,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1630 transitions. [2022-11-21 16:15:30,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:30,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1630 transitions. [2022-11-21 16:15:30,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 543.3333333333334) internal successors, (1630), 3 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,752 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,752 INFO L175 Difference]: Start difference. First operand has 525 places, 528 transitions, 1064 flow. Second operand 3 states and 1630 transitions. [2022-11-21 16:15:30,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 524 transitions, 1086 flow [2022-11-21 16:15:30,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 524 transitions, 1082 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:30,764 INFO L231 Difference]: Finished difference. Result has 521 places, 524 transitions, 1054 flow [2022-11-21 16:15:30,765 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=521, PETRI_TRANSITIONS=524} [2022-11-21 16:15:30,765 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -28 predicate places. [2022-11-21 16:15:30,766 INFO L495 AbstractCegarLoop]: Abstraction has has 521 places, 524 transitions, 1054 flow [2022-11-21 16:15:30,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,767 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:30,767 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:30,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 16:15:30,767 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:30,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash 914041128, now seen corresponding path program 1 times [2022-11-21 16:15:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:30,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632359836] [2022-11-21 16:15:30,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:30,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:30,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632359836] [2022-11-21 16:15:30,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632359836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:30,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:30,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:30,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050657162] [2022-11-21 16:15:30,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:30,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:30,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:30,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:30,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:30,930 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 565 [2022-11-21 16:15:30,932 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 524 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:30,932 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:30,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 565 [2022-11-21 16:15:30,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:31,060 INFO L130 PetriNetUnfolder]: 13/563 cut-off events. [2022-11-21 16:15:31,061 INFO L131 PetriNetUnfolder]: For 3/4 co-relation queries the response was YES. [2022-11-21 16:15:31,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 563 events. 13/563 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 866 event pairs, 2 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 383. Up to 11 conditions per place. [2022-11-21 16:15:31,067 INFO L137 encePairwiseOnDemand]: 563/565 looper letters, 6 selfloop transitions, 1 changer transitions 0/523 dead transitions. [2022-11-21 16:15:31,067 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 523 transitions, 1066 flow [2022-11-21 16:15:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1655 transitions. [2022-11-21 16:15:31,072 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.976401179941003 [2022-11-21 16:15:31,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1655 transitions. [2022-11-21 16:15:31,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1655 transitions. [2022-11-21 16:15:31,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:31,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1655 transitions. [2022-11-21 16:15:31,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,081 INFO L175 Difference]: Start difference. First operand has 521 places, 524 transitions, 1054 flow. Second operand 3 states and 1655 transitions. [2022-11-21 16:15:31,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 523 transitions, 1066 flow [2022-11-21 16:15:31,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 523 transitions, 1065 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:15:31,092 INFO L231 Difference]: Finished difference. Result has 521 places, 523 transitions, 1053 flow [2022-11-21 16:15:31,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=523, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=522, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=521, PETRI_TRANSITIONS=523} [2022-11-21 16:15:31,093 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -28 predicate places. [2022-11-21 16:15:31,094 INFO L495 AbstractCegarLoop]: Abstraction has has 521 places, 523 transitions, 1053 flow [2022-11-21 16:15:31,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:31,096 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:31,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 16:15:31,096 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:31,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:31,097 INFO L85 PathProgramCache]: Analyzing trace with hash 120620521, now seen corresponding path program 1 times [2022-11-21 16:15:31,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:31,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635670562] [2022-11-21 16:15:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:31,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:31,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:31,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635670562] [2022-11-21 16:15:31,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635670562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:31,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:31,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:31,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036188127] [2022-11-21 16:15:31,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:31,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:31,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:31,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:31,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:31,256 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 565 [2022-11-21 16:15:31,258 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 523 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 535.3333333333334) internal successors, (1606), 3 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:31,259 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 565 [2022-11-21 16:15:31,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:31,522 INFO L130 PetriNetUnfolder]: 48/972 cut-off events. [2022-11-21 16:15:31,523 INFO L131 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2022-11-21 16:15:31,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1057 conditions, 972 events. 48/972 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3267 event pairs, 20 based on Foata normal form. 0/901 useless extension candidates. Maximal degree in co-relation 859. Up to 64 conditions per place. [2022-11-21 16:15:31,530 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 20 selfloop transitions, 2 changer transitions 0/522 dead transitions. [2022-11-21 16:15:31,531 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 522 places, 522 transitions, 1095 flow [2022-11-21 16:15:31,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:31,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1625 transitions. [2022-11-21 16:15:31,535 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9587020648967551 [2022-11-21 16:15:31,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1625 transitions. [2022-11-21 16:15:31,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1625 transitions. [2022-11-21 16:15:31,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:31,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1625 transitions. [2022-11-21 16:15:31,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 541.6666666666666) internal successors, (1625), 3 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,544 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,545 INFO L175 Difference]: Start difference. First operand has 521 places, 523 transitions, 1053 flow. Second operand 3 states and 1625 transitions. [2022-11-21 16:15:31,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 522 places, 522 transitions, 1095 flow [2022-11-21 16:15:31,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 522 transitions, 1094 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:15:31,555 INFO L231 Difference]: Finished difference. Result has 521 places, 522 transitions, 1054 flow [2022-11-21 16:15:31,555 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=520, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=521, PETRI_TRANSITIONS=522} [2022-11-21 16:15:31,556 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -28 predicate places. [2022-11-21 16:15:31,556 INFO L495 AbstractCegarLoop]: Abstraction has has 521 places, 522 transitions, 1054 flow [2022-11-21 16:15:31,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 535.3333333333334) internal successors, (1606), 3 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,557 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:31,558 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:31,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 16:15:31,558 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:31,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:31,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1336697152, now seen corresponding path program 1 times [2022-11-21 16:15:31,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:31,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117001711] [2022-11-21 16:15:31,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:31,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:31,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:31,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117001711] [2022-11-21 16:15:31,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117001711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:31,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:31,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:31,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754972110] [2022-11-21 16:15:31,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:31,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:31,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:31,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:31,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:31,734 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 565 [2022-11-21 16:15:31,736 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 522 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:31,736 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:31,736 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 565 [2022-11-21 16:15:31,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:32,034 INFO L130 PetriNetUnfolder]: 44/1069 cut-off events. [2022-11-21 16:15:32,035 INFO L131 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2022-11-21 16:15:32,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 1069 events. 44/1069 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3843 event pairs, 2 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 965. Up to 43 conditions per place. [2022-11-21 16:15:32,046 INFO L137 encePairwiseOnDemand]: 559/565 looper letters, 19 selfloop transitions, 3 changer transitions 0/525 dead transitions. [2022-11-21 16:15:32,046 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 525 transitions, 1108 flow [2022-11-21 16:15:32,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1636 transitions. [2022-11-21 16:15:32,052 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9651917404129794 [2022-11-21 16:15:32,052 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1636 transitions. [2022-11-21 16:15:32,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1636 transitions. [2022-11-21 16:15:32,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:32,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1636 transitions. [2022-11-21 16:15:32,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 545.3333333333334) internal successors, (1636), 3 states have internal predecessors, (1636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,061 INFO L175 Difference]: Start difference. First operand has 521 places, 522 transitions, 1054 flow. Second operand 3 states and 1636 transitions. [2022-11-21 16:15:32,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 525 transitions, 1108 flow [2022-11-21 16:15:32,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 525 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:32,072 INFO L231 Difference]: Finished difference. Result has 519 places, 520 transitions, 1057 flow [2022-11-21 16:15:32,073 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=519, PETRI_TRANSITIONS=520} [2022-11-21 16:15:32,074 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -30 predicate places. [2022-11-21 16:15:32,074 INFO L495 AbstractCegarLoop]: Abstraction has has 519 places, 520 transitions, 1057 flow [2022-11-21 16:15:32,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 538.3333333333334) internal successors, (1615), 3 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,075 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:32,076 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:32,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-21 16:15:32,076 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:32,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:32,077 INFO L85 PathProgramCache]: Analyzing trace with hash -63442653, now seen corresponding path program 1 times [2022-11-21 16:15:32,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:32,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785804527] [2022-11-21 16:15:32,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:32,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:32,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:32,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:32,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785804527] [2022-11-21 16:15:32,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785804527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:32,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:32,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:32,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171135371] [2022-11-21 16:15:32,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:32,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:32,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:32,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:32,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:32,252 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:32,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 520 transitions, 1057 flow. Second operand has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:32,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:32,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:32,669 INFO L130 PetriNetUnfolder]: 49/1489 cut-off events. [2022-11-21 16:15:32,669 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-21 16:15:32,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1571 conditions, 1489 events. 49/1489 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6842 event pairs, 10 based on Foata normal form. 0/1394 useless extension candidates. Maximal degree in co-relation 1371. Up to 38 conditions per place. [2022-11-21 16:15:32,687 INFO L137 encePairwiseOnDemand]: 563/565 looper letters, 11 selfloop transitions, 1 changer transitions 0/522 dead transitions. [2022-11-21 16:15:32,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 522 transitions, 1087 flow [2022-11-21 16:15:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2022-11-21 16:15:32,693 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9740412979351032 [2022-11-21 16:15:32,693 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1651 transitions. [2022-11-21 16:15:32,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1651 transitions. [2022-11-21 16:15:32,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:32,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1651 transitions. [2022-11-21 16:15:32,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,702 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,703 INFO L175 Difference]: Start difference. First operand has 519 places, 520 transitions, 1057 flow. Second operand 3 states and 1651 transitions. [2022-11-21 16:15:32,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 522 transitions, 1087 flow [2022-11-21 16:15:32,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 522 transitions, 1084 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:15:32,714 INFO L231 Difference]: Finished difference. Result has 519 places, 519 transitions, 1054 flow [2022-11-21 16:15:32,715 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1052, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=519, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=518, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=519, PETRI_TRANSITIONS=519} [2022-11-21 16:15:32,715 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -30 predicate places. [2022-11-21 16:15:32,716 INFO L495 AbstractCegarLoop]: Abstraction has has 519 places, 519 transitions, 1054 flow [2022-11-21 16:15:32,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,717 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:32,717 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:32,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-21 16:15:32,717 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:32,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:32,718 INFO L85 PathProgramCache]: Analyzing trace with hash -838806171, now seen corresponding path program 1 times [2022-11-21 16:15:32,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:32,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54177273] [2022-11-21 16:15:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:32,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:32,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:32,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54177273] [2022-11-21 16:15:32,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54177273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:32,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:32,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:32,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50899871] [2022-11-21 16:15:32,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:32,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:32,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:32,899 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:32,901 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 519 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:32,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:32,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:32,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:33,339 INFO L130 PetriNetUnfolder]: 49/1469 cut-off events. [2022-11-21 16:15:33,340 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 16:15:33,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1549 conditions, 1469 events. 49/1469 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 6706 event pairs, 10 based on Foata normal form. 0/1384 useless extension candidates. Maximal degree in co-relation 1348. Up to 38 conditions per place. [2022-11-21 16:15:33,354 INFO L137 encePairwiseOnDemand]: 563/565 looper letters, 11 selfloop transitions, 1 changer transitions 0/521 dead transitions. [2022-11-21 16:15:33,354 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 521 transitions, 1084 flow [2022-11-21 16:15:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2022-11-21 16:15:33,360 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9740412979351032 [2022-11-21 16:15:33,360 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1651 transitions. [2022-11-21 16:15:33,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1651 transitions. [2022-11-21 16:15:33,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:33,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1651 transitions. [2022-11-21 16:15:33,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,371 INFO L175 Difference]: Start difference. First operand has 519 places, 519 transitions, 1054 flow. Second operand 3 states and 1651 transitions. [2022-11-21 16:15:33,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 521 transitions, 1084 flow [2022-11-21 16:15:33,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 521 transitions, 1083 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:15:33,385 INFO L231 Difference]: Finished difference. Result has 519 places, 518 transitions, 1053 flow [2022-11-21 16:15:33,386 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1051, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1053, PETRI_PLACES=519, PETRI_TRANSITIONS=518} [2022-11-21 16:15:33,387 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -30 predicate places. [2022-11-21 16:15:33,388 INFO L495 AbstractCegarLoop]: Abstraction has has 519 places, 518 transitions, 1053 flow [2022-11-21 16:15:33,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,389 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:33,389 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:33,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-21 16:15:33,390 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:33,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:33,390 INFO L85 PathProgramCache]: Analyzing trace with hash -918222298, now seen corresponding path program 1 times [2022-11-21 16:15:33,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:33,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268927094] [2022-11-21 16:15:33,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:33,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:33,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:33,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268927094] [2022-11-21 16:15:33,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268927094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:33,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:33,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:33,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469131185] [2022-11-21 16:15:33,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:33,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:33,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:33,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:33,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:33,569 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 565 [2022-11-21 16:15:33,571 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 518 transitions, 1053 flow. Second operand has 3 states, 3 states have (on average 536.6666666666666) internal successors, (1610), 3 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:33,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 565 [2022-11-21 16:15:33,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:33,877 INFO L130 PetriNetUnfolder]: 46/1129 cut-off events. [2022-11-21 16:15:33,877 INFO L131 PetriNetUnfolder]: For 15/16 co-relation queries the response was YES. [2022-11-21 16:15:33,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 1129 events. 46/1129 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4262 event pairs, 16 based on Foata normal form. 0/1060 useless extension candidates. Maximal degree in co-relation 1023. Up to 58 conditions per place. [2022-11-21 16:15:33,888 INFO L137 encePairwiseOnDemand]: 562/565 looper letters, 17 selfloop transitions, 2 changer transitions 0/517 dead transitions. [2022-11-21 16:15:33,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 517 transitions, 1089 flow [2022-11-21 16:15:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1621 transitions. [2022-11-21 16:15:33,893 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9563421828908555 [2022-11-21 16:15:33,893 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1621 transitions. [2022-11-21 16:15:33,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1621 transitions. [2022-11-21 16:15:33,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:33,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1621 transitions. [2022-11-21 16:15:33,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,903 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,903 INFO L175 Difference]: Start difference. First operand has 519 places, 518 transitions, 1053 flow. Second operand 3 states and 1621 transitions. [2022-11-21 16:15:33,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 517 transitions, 1089 flow [2022-11-21 16:15:33,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 517 transitions, 1088 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:15:33,917 INFO L231 Difference]: Finished difference. Result has 519 places, 517 transitions, 1054 flow [2022-11-21 16:15:33,918 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=519, PETRI_TRANSITIONS=517} [2022-11-21 16:15:33,918 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -30 predicate places. [2022-11-21 16:15:33,919 INFO L495 AbstractCegarLoop]: Abstraction has has 519 places, 517 transitions, 1054 flow [2022-11-21 16:15:33,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 536.6666666666666) internal successors, (1610), 3 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:33,920 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:33,920 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:33,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-21 16:15:33,921 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting whoop_wrapper_nvram_unlocked_ioctlErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:33,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:33,923 INFO L85 PathProgramCache]: Analyzing trace with hash -127527742, now seen corresponding path program 1 times [2022-11-21 16:15:33,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:33,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620520042] [2022-11-21 16:15:33,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:33,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:34,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:34,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620520042] [2022-11-21 16:15:34,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620520042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:34,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:34,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:34,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691647295] [2022-11-21 16:15:34,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:34,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:34,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:34,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:34,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:34,088 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:34,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 517 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 548.0) internal successors, (1644), 3 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:34,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:34,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:34,294 INFO L130 PetriNetUnfolder]: 23/805 cut-off events. [2022-11-21 16:15:34,295 INFO L131 PetriNetUnfolder]: For 11/13 co-relation queries the response was YES. [2022-11-21 16:15:34,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 805 events. 23/805 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2404 event pairs, 6 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 849. Up to 24 conditions per place. [2022-11-21 16:15:34,302 INFO L137 encePairwiseOnDemand]: 563/565 looper letters, 9 selfloop transitions, 1 changer transitions 0/517 dead transitions. [2022-11-21 16:15:34,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 517 transitions, 1075 flow [2022-11-21 16:15:34,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:34,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions. [2022-11-21 16:15:34,307 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9728613569321534 [2022-11-21 16:15:34,307 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1649 transitions. [2022-11-21 16:15:34,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1649 transitions. [2022-11-21 16:15:34,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:34,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1649 transitions. [2022-11-21 16:15:34,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 549.6666666666666) internal successors, (1649), 3 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,317 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,317 INFO L175 Difference]: Start difference. First operand has 519 places, 517 transitions, 1054 flow. Second operand 3 states and 1649 transitions. [2022-11-21 16:15:34,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 520 places, 517 transitions, 1075 flow [2022-11-21 16:15:34,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 517 transitions, 1071 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:15:34,328 INFO L231 Difference]: Finished difference. Result has 518 places, 516 transitions, 1050 flow [2022-11-21 16:15:34,329 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1050, PETRI_PLACES=518, PETRI_TRANSITIONS=516} [2022-11-21 16:15:34,330 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -31 predicate places. [2022-11-21 16:15:34,330 INFO L495 AbstractCegarLoop]: Abstraction has has 518 places, 516 transitions, 1050 flow [2022-11-21 16:15:34,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.0) internal successors, (1644), 3 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,331 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:34,331 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:34,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-21 16:15:34,332 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting whoop_wrapper_read_nvramErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:34,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1887695479, now seen corresponding path program 1 times [2022-11-21 16:15:34,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:34,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947307250] [2022-11-21 16:15:34,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:34,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:34,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:34,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947307250] [2022-11-21 16:15:34,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947307250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:34,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:34,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:15:34,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872491553] [2022-11-21 16:15:34,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:34,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:15:34,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:34,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:15:34,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:15:34,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 565 [2022-11-21 16:15:34,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 516 transitions, 1050 flow. Second operand has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:34,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 565 [2022-11-21 16:15:34,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:34,937 INFO L130 PetriNetUnfolder]: 49/1376 cut-off events. [2022-11-21 16:15:34,938 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 16:15:34,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1460 conditions, 1376 events. 49/1376 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6058 event pairs, 8 based on Foata normal form. 0/1304 useless extension candidates. Maximal degree in co-relation 1259. Up to 38 conditions per place. [2022-11-21 16:15:34,951 INFO L137 encePairwiseOnDemand]: 563/565 looper letters, 11 selfloop transitions, 1 changer transitions 0/518 dead transitions. [2022-11-21 16:15:34,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 518 transitions, 1080 flow [2022-11-21 16:15:34,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:15:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:15:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2022-11-21 16:15:34,957 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9740412979351032 [2022-11-21 16:15:34,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1651 transitions. [2022-11-21 16:15:34,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1651 transitions. [2022-11-21 16:15:34,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:34,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1651 transitions. [2022-11-21 16:15:34,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,970 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 565.0) internal successors, (2260), 4 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,970 INFO L175 Difference]: Start difference. First operand has 518 places, 516 transitions, 1050 flow. Second operand 3 states and 1651 transitions. [2022-11-21 16:15:34,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 518 transitions, 1080 flow [2022-11-21 16:15:34,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 518 transitions, 1079 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:15:34,981 INFO L231 Difference]: Finished difference. Result has 518 places, 515 transitions, 1049 flow [2022-11-21 16:15:34,982 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=518, PETRI_TRANSITIONS=515} [2022-11-21 16:15:34,982 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -31 predicate places. [2022-11-21 16:15:34,983 INFO L495 AbstractCegarLoop]: Abstraction has has 518 places, 515 transitions, 1049 flow [2022-11-21 16:15:34,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.6666666666666) internal successors, (1643), 3 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:34,984 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:34,984 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:34,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-21 16:15:34,985 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:34,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:34,985 INFO L85 PathProgramCache]: Analyzing trace with hash 251631334, now seen corresponding path program 1 times [2022-11-21 16:15:34,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:34,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092887043] [2022-11-21 16:15:34,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:34,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:36,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:36,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092887043] [2022-11-21 16:15:36,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092887043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:36,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:36,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:15:36,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721977880] [2022-11-21 16:15:36,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:36,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:15:36,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:36,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:15:36,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:15:36,392 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 565 [2022-11-21 16:15:36,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 518 places, 515 transitions, 1049 flow. Second operand has 6 states, 6 states have (on average 495.8333333333333) internal successors, (2975), 6 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:36,397 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:36,397 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 565 [2022-11-21 16:15:36,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:40,285 INFO L130 PetriNetUnfolder]: 2931/8422 cut-off events. [2022-11-21 16:15:40,286 INFO L131 PetriNetUnfolder]: For 13/64 co-relation queries the response was YES. [2022-11-21 16:15:40,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13308 conditions, 8422 events. 2931/8422 cut-off events. For 13/64 co-relation queries the response was YES. Maximal size of possible extension queue 404. Compared 80294 event pairs, 794 based on Foata normal form. 12/7617 useless extension candidates. Maximal degree in co-relation 13108. Up to 3140 conditions per place. [2022-11-21 16:15:40,387 INFO L137 encePairwiseOnDemand]: 549/565 looper letters, 195 selfloop transitions, 45 changer transitions 0/694 dead transitions. [2022-11-21 16:15:40,387 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 694 transitions, 1888 flow [2022-11-21 16:15:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:15:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:15:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3205 transitions. [2022-11-21 16:15:40,395 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9454277286135693 [2022-11-21 16:15:40,395 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3205 transitions. [2022-11-21 16:15:40,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3205 transitions. [2022-11-21 16:15:40,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:40,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3205 transitions. [2022-11-21 16:15:40,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 534.1666666666666) internal successors, (3205), 6 states have internal predecessors, (3205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:40,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 565.0) internal successors, (3955), 7 states have internal predecessors, (3955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:40,411 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 565.0) internal successors, (3955), 7 states have internal predecessors, (3955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:40,411 INFO L175 Difference]: Start difference. First operand has 518 places, 515 transitions, 1049 flow. Second operand 6 states and 3205 transitions. [2022-11-21 16:15:40,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 694 transitions, 1888 flow [2022-11-21 16:15:40,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 522 places, 694 transitions, 1887 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:15:40,425 INFO L231 Difference]: Finished difference. Result has 527 places, 559 transitions, 1346 flow [2022-11-21 16:15:40,426 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=500, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1346, PETRI_PLACES=527, PETRI_TRANSITIONS=559} [2022-11-21 16:15:40,431 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -22 predicate places. [2022-11-21 16:15:40,432 INFO L495 AbstractCegarLoop]: Abstraction has has 527 places, 559 transitions, 1346 flow [2022-11-21 16:15:40,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 495.8333333333333) internal successors, (2975), 6 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:40,433 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:40,433 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:40,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-21 16:15:40,434 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:40,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:40,435 INFO L85 PathProgramCache]: Analyzing trace with hash 987599898, now seen corresponding path program 1 times [2022-11-21 16:15:40,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:40,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921273548] [2022-11-21 16:15:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:40,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:44,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:44,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921273548] [2022-11-21 16:15:44,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921273548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:44,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:44,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:15:44,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812361408] [2022-11-21 16:15:44,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:44,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:15:44,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:44,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:15:44,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:15:44,804 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 565 [2022-11-21 16:15:44,809 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 559 transitions, 1346 flow. Second operand has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:44,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:44,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 565 [2022-11-21 16:15:44,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:15:53,543 INFO L130 PetriNetUnfolder]: 8207/21909 cut-off events. [2022-11-21 16:15:53,543 INFO L131 PetriNetUnfolder]: For 6189/6708 co-relation queries the response was YES. [2022-11-21 16:15:53,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43154 conditions, 21909 events. 8207/21909 cut-off events. For 6189/6708 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 232458 event pairs, 2565 based on Foata normal form. 173/20431 useless extension candidates. Maximal degree in co-relation 42947. Up to 6434 conditions per place. [2022-11-21 16:15:53,823 INFO L137 encePairwiseOnDemand]: 545/565 looper letters, 298 selfloop transitions, 75 changer transitions 1/821 dead transitions. [2022-11-21 16:15:53,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 821 transitions, 2719 flow [2022-11-21 16:15:53,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:15:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-11-21 16:15:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 5235 transitions. [2022-11-21 16:15:53,836 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9265486725663716 [2022-11-21 16:15:53,836 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 5235 transitions. [2022-11-21 16:15:53,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 5235 transitions. [2022-11-21 16:15:53,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:15:53,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 5235 transitions. [2022-11-21 16:15:53,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 523.5) internal successors, (5235), 10 states have internal predecessors, (5235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:53,858 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 565.0) internal successors, (6215), 11 states have internal predecessors, (6215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:53,860 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 565.0) internal successors, (6215), 11 states have internal predecessors, (6215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:53,861 INFO L175 Difference]: Start difference. First operand has 527 places, 559 transitions, 1346 flow. Second operand 10 states and 5235 transitions. [2022-11-21 16:15:53,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 821 transitions, 2719 flow [2022-11-21 16:15:54,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 821 transitions, 2719 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:15:54,040 INFO L231 Difference]: Finished difference. Result has 540 places, 589 transitions, 1789 flow [2022-11-21 16:15:54,041 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1346, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1789, PETRI_PLACES=540, PETRI_TRANSITIONS=589} [2022-11-21 16:15:54,043 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, -9 predicate places. [2022-11-21 16:15:54,043 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 589 transitions, 1789 flow [2022-11-21 16:15:54,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:54,046 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:15:54,046 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:15:54,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-21 16:15:54,046 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:15:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:15:54,047 INFO L85 PathProgramCache]: Analyzing trace with hash -910029368, now seen corresponding path program 2 times [2022-11-21 16:15:54,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:15:54,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061394752] [2022-11-21 16:15:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:15:54,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:15:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:15:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:15:57,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:15:57,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061394752] [2022-11-21 16:15:57,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061394752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:15:57,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:15:57,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:15:57,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371864967] [2022-11-21 16:15:57,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:15:57,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:15:57,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:15:57,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:15:57,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:15:57,821 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 565 [2022-11-21 16:15:57,826 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 589 transitions, 1789 flow. Second operand has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:15:57,826 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:15:57,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 565 [2022-11-21 16:15:57,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:16:07,159 INFO L130 PetriNetUnfolder]: 9977/28338 cut-off events. [2022-11-21 16:16:07,159 INFO L131 PetriNetUnfolder]: For 24506/25698 co-relation queries the response was YES. [2022-11-21 16:16:07,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61709 conditions, 28338 events. 9977/28338 cut-off events. For 24506/25698 co-relation queries the response was YES. Maximal size of possible extension queue 818. Compared 322481 event pairs, 2414 based on Foata normal form. 187/26419 useless extension candidates. Maximal degree in co-relation 61496. Up to 6806 conditions per place. [2022-11-21 16:16:07,435 INFO L137 encePairwiseOnDemand]: 545/565 looper letters, 366 selfloop transitions, 132 changer transitions 1/946 dead transitions. [2022-11-21 16:16:07,436 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 946 transitions, 3885 flow [2022-11-21 16:16:07,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:16:07,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-21 16:16:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 6296 transitions. [2022-11-21 16:16:07,449 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9286135693215339 [2022-11-21 16:16:07,450 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 6296 transitions. [2022-11-21 16:16:07,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 6296 transitions. [2022-11-21 16:16:07,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:16:07,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 6296 transitions. [2022-11-21 16:16:07,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 524.6666666666666) internal successors, (6296), 12 states have internal predecessors, (6296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:07,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 565.0) internal successors, (7345), 13 states have internal predecessors, (7345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:07,476 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 565.0) internal successors, (7345), 13 states have internal predecessors, (7345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:07,476 INFO L175 Difference]: Start difference. First operand has 540 places, 589 transitions, 1789 flow. Second operand 12 states and 6296 transitions. [2022-11-21 16:16:07,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 946 transitions, 3885 flow [2022-11-21 16:16:07,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 946 transitions, 3827 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:16:07,653 INFO L231 Difference]: Finished difference. Result has 553 places, 649 transitions, 2751 flow [2022-11-21 16:16:07,654 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=1750, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2751, PETRI_PLACES=553, PETRI_TRANSITIONS=649} [2022-11-21 16:16:07,655 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, 4 predicate places. [2022-11-21 16:16:07,655 INFO L495 AbstractCegarLoop]: Abstraction has has 553 places, 649 transitions, 2751 flow [2022-11-21 16:16:07,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:07,657 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:16:07,658 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:07,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-21 16:16:07,658 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:16:07,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:07,659 INFO L85 PathProgramCache]: Analyzing trace with hash 206535742, now seen corresponding path program 3 times [2022-11-21 16:16:07,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:07,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800226473] [2022-11-21 16:16:07,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:07,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:07,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:16:11,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:16:11,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800226473] [2022-11-21 16:16:11,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800226473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:16:11,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:16:11,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:16:11,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499332355] [2022-11-21 16:16:11,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:16:11,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:16:11,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:16:11,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:16:11,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:16:11,226 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 565 [2022-11-21 16:16:11,232 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 649 transitions, 2751 flow. Second operand has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:11,232 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:16:11,232 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 565 [2022-11-21 16:16:11,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:16:23,692 INFO L130 PetriNetUnfolder]: 13141/37665 cut-off events. [2022-11-21 16:16:23,692 INFO L131 PetriNetUnfolder]: For 58129/64960 co-relation queries the response was YES. [2022-11-21 16:16:23,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92826 conditions, 37665 events. 13141/37665 cut-off events. For 58129/64960 co-relation queries the response was YES. Maximal size of possible extension queue 955. Compared 450270 event pairs, 2613 based on Foata normal form. 588/35446 useless extension candidates. Maximal degree in co-relation 92606. Up to 7490 conditions per place. [2022-11-21 16:16:24,157 INFO L137 encePairwiseOnDemand]: 545/565 looper letters, 378 selfloop transitions, 303 changer transitions 0/1128 dead transitions. [2022-11-21 16:16:24,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 1128 transitions, 6901 flow [2022-11-21 16:16:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:16:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-21 16:16:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 6298 transitions. [2022-11-21 16:16:24,171 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9289085545722714 [2022-11-21 16:16:24,172 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 6298 transitions. [2022-11-21 16:16:24,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 6298 transitions. [2022-11-21 16:16:24,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:16:24,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 6298 transitions. [2022-11-21 16:16:24,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 524.8333333333334) internal successors, (6298), 12 states have internal predecessors, (6298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:24,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 565.0) internal successors, (7345), 13 states have internal predecessors, (7345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:24,208 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 565.0) internal successors, (7345), 13 states have internal predecessors, (7345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:24,208 INFO L175 Difference]: Start difference. First operand has 553 places, 649 transitions, 2751 flow. Second operand 12 states and 6298 transitions. [2022-11-21 16:16:24,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 1128 transitions, 6901 flow [2022-11-21 16:16:25,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 1128 transitions, 6833 flow, removed 11 selfloop flow, removed 4 redundant places. [2022-11-21 16:16:25,062 INFO L231 Difference]: Finished difference. Result has 567 places, 827 transitions, 5733 flow [2022-11-21 16:16:25,063 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=2702, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=649, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5733, PETRI_PLACES=567, PETRI_TRANSITIONS=827} [2022-11-21 16:16:25,064 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, 18 predicate places. [2022-11-21 16:16:25,064 INFO L495 AbstractCegarLoop]: Abstraction has has 567 places, 827 transitions, 5733 flow [2022-11-21 16:16:25,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:25,066 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:16:25,066 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:25,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-21 16:16:25,067 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:16:25,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1016497274, now seen corresponding path program 4 times [2022-11-21 16:16:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:25,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213365823] [2022-11-21 16:16:25,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:25,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:16:27,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:16:27,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213365823] [2022-11-21 16:16:27,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213365823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:16:27,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:16:27,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:16:27,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436256594] [2022-11-21 16:16:27,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:16:27,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 16:16:27,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:16:27,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 16:16:27,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:16:27,981 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 565 [2022-11-21 16:16:27,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 567 places, 827 transitions, 5733 flow. Second operand has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:27,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:16:27,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 565 [2022-11-21 16:16:27,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:16:43,733 INFO L130 PetriNetUnfolder]: 15272/53696 cut-off events. [2022-11-21 16:16:43,733 INFO L131 PetriNetUnfolder]: For 120607/125545 co-relation queries the response was YES. [2022-11-21 16:16:44,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129162 conditions, 53696 events. 15272/53696 cut-off events. For 120607/125545 co-relation queries the response was YES. Maximal size of possible extension queue 1165. Compared 714657 event pairs, 1676 based on Foata normal form. 1266/51283 useless extension candidates. Maximal degree in co-relation 128935. Up to 9312 conditions per place. [2022-11-21 16:16:44,583 INFO L137 encePairwiseOnDemand]: 546/565 looper letters, 684 selfloop transitions, 211 changer transitions 0/1342 dead transitions. [2022-11-21 16:16:44,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 578 places, 1342 transitions, 10898 flow [2022-11-21 16:16:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:16:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-11-21 16:16:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 6301 transitions. [2022-11-21 16:16:44,597 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9293510324483776 [2022-11-21 16:16:44,598 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 6301 transitions. [2022-11-21 16:16:44,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 6301 transitions. [2022-11-21 16:16:44,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:16:44,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 6301 transitions. [2022-11-21 16:16:44,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 525.0833333333334) internal successors, (6301), 12 states have internal predecessors, (6301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:44,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 565.0) internal successors, (7345), 13 states have internal predecessors, (7345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:44,641 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 565.0) internal successors, (7345), 13 states have internal predecessors, (7345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:44,642 INFO L175 Difference]: Start difference. First operand has 567 places, 827 transitions, 5733 flow. Second operand 12 states and 6301 transitions. [2022-11-21 16:16:44,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 578 places, 1342 transitions, 10898 flow [2022-11-21 16:16:46,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 1342 transitions, 10691 flow, removed 81 selfloop flow, removed 3 redundant places. [2022-11-21 16:16:46,262 INFO L231 Difference]: Finished difference. Result has 580 places, 958 transitions, 8078 flow [2022-11-21 16:16:46,263 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=565, PETRI_DIFFERENCE_MINUEND_FLOW=5668, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=827, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=107, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=664, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=8078, PETRI_PLACES=580, PETRI_TRANSITIONS=958} [2022-11-21 16:16:46,263 INFO L288 CegarLoopForPetriNet]: 549 programPoint places, 31 predicate places. [2022-11-21 16:16:46,263 INFO L495 AbstractCegarLoop]: Abstraction has has 580 places, 958 transitions, 8078 flow [2022-11-21 16:16:46,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 488.6363636363636) internal successors, (5375), 11 states have internal predecessors, (5375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:16:46,264 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:16:46,265 INFO L209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:46,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-21 16:16:46,265 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:16:46,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:46,266 INFO L85 PathProgramCache]: Analyzing trace with hash -363087398, now seen corresponding path program 5 times [2022-11-21 16:16:46,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:46,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495092848] [2022-11-21 16:16:46,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat