./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:29,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:29,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:52:29,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:29,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:29,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:29,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:29,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:29,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:29,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:29,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:29,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:29,842 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:29,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:29,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:29,844 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:29,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:29,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:29,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:29,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:29,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:29,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:29,848 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:52:29,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:29,849 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:29,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:29,850 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:29,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:29,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:29,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:29,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:29,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:29,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:29,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:29,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:29,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:29,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:29,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:29,855 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:29,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:29,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:29,856 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 [2023-11-26 11:52:30,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:30,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:30,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:30,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:30,172 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:30,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-11-26 11:52:33,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:33,972 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:33,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-11-26 11:52:34,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/data/ad492c610/b62b9948bf0c485ea5a6396f457f05c9/FLAG96e185228 [2023-11-26 11:52:34,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/data/ad492c610/b62b9948bf0c485ea5a6396f457f05c9 [2023-11-26 11:52:34,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:34,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:34,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:34,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:34,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:34,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:34" (1/1) ... [2023-11-26 11:52:34,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65073d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:34, skipping insertion in model container [2023-11-26 11:52:34,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:34" (1/1) ... [2023-11-26 11:52:34,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:40,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:40,526 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:40,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-26 11:52:40,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-26 11:52:40,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-26 11:52:40,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-26 11:52:40,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-26 11:52:40,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:41,394 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,394 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,394 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,395 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,395 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,395 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,403 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:41,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41 WrapperNode [2023-11-26 11:52:41,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:41,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:41,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:41,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:41,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,654 INFO L138 Inliner]: procedures = 1353, calls = 1467, calls flagged for inlining = 348, calls inlined = 20, statements flattened = 591 [2023-11-26 11:52:41,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:41,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:41,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:41,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:41,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:41,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:41,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:41,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:41,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:41,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:41,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca42f40-e13c-46f1-b105-d444dc845c9a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:52:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:52:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:41,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:41,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-26 11:52:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:52:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:52:41,856 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-26 11:52:41,856 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-26 11:52:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:52:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:52:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:52:41,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-26 11:52:41,858 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-11-26 11:52:41,858 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-11-26 11:52:41,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:52:41,860 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:52:42,394 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:42,397 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:43,224 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:43,440 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:43,440 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:52:43,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:43 BoogieIcfgContainer [2023-11-26 11:52:43,442 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:43,445 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:43,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:43,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:43,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:34" (1/3) ... [2023-11-26 11:52:43,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e031e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:43, skipping insertion in model container [2023-11-26 11:52:43,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (2/3) ... [2023-11-26 11:52:43,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e031e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:43, skipping insertion in model container [2023-11-26 11:52:43,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:43" (3/3) ... [2023-11-26 11:52:43,457 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2023-11-26 11:52:43,467 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:52:43,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:43,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2023-11-26 11:52:43,480 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:52:43,693 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:52:43,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 583 places, 595 transitions, 1204 flow [2023-11-26 11:52:44,150 INFO L124 PetriNetUnfolderBase]: 19/593 cut-off events. [2023-11-26 11:52:44,150 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:52:44,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 593 events. 19/593 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 876 event pairs, 0 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 438. Up to 4 conditions per place. [2023-11-26 11:52:44,177 INFO L82 GeneralOperation]: Start removeDead. Operand has 583 places, 595 transitions, 1204 flow [2023-11-26 11:52:44,202 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 572 places, 584 transitions, 1177 flow [2023-11-26 11:52:44,219 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:44,229 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=LoopHeads, 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;@60c574a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:44,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2023-11-26 11:52:44,246 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:52:44,246 INFO L124 PetriNetUnfolderBase]: 0/67 cut-off events. [2023-11-26 11:52:44,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:52:44,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:44,247 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:44,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-11-26 11:52:44,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:44,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1291343365, now seen corresponding path program 1 times [2023-11-26 11:52:44,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:44,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846626967] [2023-11-26 11:52:44,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:44,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:44,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:44,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846626967] [2023-11-26 11:52:44,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846626967] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:44,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:44,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:44,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838182896] [2023-11-26 11:52:44,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:44,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:44,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:44,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:44,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:44,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:44,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 584 transitions, 1177 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:44,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:44,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:44,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:45,441 INFO L124 PetriNetUnfolderBase]: 60/1146 cut-off events. [2023-11-26 11:52:45,441 INFO L125 PetriNetUnfolderBase]: For 36/37 co-relation queries the response was YES. [2023-11-26 11:52:45,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 1146 events. 60/1146 cut-off events. For 36/37 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4591 event pairs, 24 based on Foata normal form. 35/1072 useless extension candidates. Maximal degree in co-relation 807. Up to 68 conditions per place. [2023-11-26 11:52:45,460 INFO L140 encePairwiseOnDemand]: 577/595 looper letters, 14 selfloop transitions, 2 changer transitions 1/562 dead transitions. [2023-11-26 11:52:45,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 562 transitions, 1165 flow [2023-11-26 11:52:45,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:45,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1709 transitions. [2023-11-26 11:52:45,491 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9574229691876751 [2023-11-26 11:52:45,492 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1709 transitions. [2023-11-26 11:52:45,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1709 transitions. [2023-11-26 11:52:45,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:45,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1709 transitions. [2023-11-26 11:52:45,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 569.6666666666666) internal successors, (1709), 3 states have internal predecessors, (1709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:45,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:45,572 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:45,575 INFO L175 Difference]: Start difference. First operand has 572 places, 584 transitions, 1177 flow. Second operand 3 states and 1709 transitions. [2023-11-26 11:52:45,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 562 transitions, 1165 flow [2023-11-26 11:52:45,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 562 transitions, 1160 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 11:52:45,607 INFO L231 Difference]: Finished difference. Result has 556 places, 561 transitions, 1130 flow [2023-11-26 11:52:45,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1128, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1130, PETRI_PLACES=556, PETRI_TRANSITIONS=561} [2023-11-26 11:52:45,615 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -16 predicate places. [2023-11-26 11:52:45,616 INFO L495 AbstractCegarLoop]: Abstraction has has 556 places, 561 transitions, 1130 flow [2023-11-26 11:52:45,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:45,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:45,618 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:45,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:45,619 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 64 more)] === [2023-11-26 11:52:45,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:45,620 INFO L85 PathProgramCache]: Analyzing trace with hash 831120267, now seen corresponding path program 1 times [2023-11-26 11:52:45,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:45,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50735370] [2023-11-26 11:52:45,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:45,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50735370] [2023-11-26 11:52:45,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50735370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:45,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:45,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:45,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373418679] [2023-11-26 11:52:45,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:45,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:45,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:45,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:45,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:45,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 595 [2023-11-26 11:52:45,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 561 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 559.3333333333334) internal successors, (1678), 3 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:45,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:45,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 595 [2023-11-26 11:52:45,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:46,273 INFO L124 PetriNetUnfolderBase]: 61/1188 cut-off events. [2023-11-26 11:52:46,273 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-26 11:52:46,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1281 conditions, 1188 events. 61/1188 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4804 event pairs, 29 based on Foata normal form. 0/1074 useless extension candidates. Maximal degree in co-relation 1205. Up to 74 conditions per place. [2023-11-26 11:52:46,286 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 15 selfloop transitions, 2 changer transitions 0/560 dead transitions. [2023-11-26 11:52:46,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 556 places, 560 transitions, 1162 flow [2023-11-26 11:52:46,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1692 transitions. [2023-11-26 11:52:46,294 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9478991596638655 [2023-11-26 11:52:46,294 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1692 transitions. [2023-11-26 11:52:46,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1692 transitions. [2023-11-26 11:52:46,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:46,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1692 transitions. [2023-11-26 11:52:46,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.0) internal successors, (1692), 3 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:46,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:46,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:46,315 INFO L175 Difference]: Start difference. First operand has 556 places, 561 transitions, 1130 flow. Second operand 3 states and 1692 transitions. [2023-11-26 11:52:46,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 556 places, 560 transitions, 1162 flow [2023-11-26 11:52:46,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 554 places, 560 transitions, 1158 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:46,331 INFO L231 Difference]: Finished difference. Result has 554 places, 560 transitions, 1128 flow [2023-11-26 11:52:46,332 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=554, PETRI_TRANSITIONS=560} [2023-11-26 11:52:46,338 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -18 predicate places. [2023-11-26 11:52:46,339 INFO L495 AbstractCegarLoop]: Abstraction has has 554 places, 560 transitions, 1128 flow [2023-11-26 11:52:46,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 559.3333333333334) internal successors, (1678), 3 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:46,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:46,341 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:46,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:46,341 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 64 more)] === [2023-11-26 11:52:46,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:46,342 INFO L85 PathProgramCache]: Analyzing trace with hash -649236899, now seen corresponding path program 1 times [2023-11-26 11:52:46,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:46,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000051411] [2023-11-26 11:52:46,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:46,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:46,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:46,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000051411] [2023-11-26 11:52:46,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000051411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:46,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:46,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:46,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682027183] [2023-11-26 11:52:46,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:46,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:46,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:46,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:46,569 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:46,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 554 places, 560 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:46,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:46,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:46,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:47,042 INFO L124 PetriNetUnfolderBase]: 60/1143 cut-off events. [2023-11-26 11:52:47,042 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:47,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1228 conditions, 1143 events. 60/1143 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4590 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1145. Up to 68 conditions per place. [2023-11-26 11:52:47,057 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/559 dead transitions. [2023-11-26 11:52:47,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 559 transitions, 1158 flow [2023-11-26 11:52:47,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:47,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:47,065 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:47,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:47,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:47,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:47,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,083 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,083 INFO L175 Difference]: Start difference. First operand has 554 places, 560 transitions, 1128 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:47,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 555 places, 559 transitions, 1158 flow [2023-11-26 11:52:47,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 553 places, 559 transitions, 1154 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:47,100 INFO L231 Difference]: Finished difference. Result has 553 places, 559 transitions, 1126 flow [2023-11-26 11:52:47,101 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1122, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=559, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1126, PETRI_PLACES=553, PETRI_TRANSITIONS=559} [2023-11-26 11:52:47,102 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -19 predicate places. [2023-11-26 11:52:47,103 INFO L495 AbstractCegarLoop]: Abstraction has has 553 places, 559 transitions, 1126 flow [2023-11-26 11:52:47,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:47,105 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:47,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:52:47,106 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 64 more)] === [2023-11-26 11:52:47,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:47,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1898421611, now seen corresponding path program 1 times [2023-11-26 11:52:47,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:47,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623673821] [2023-11-26 11:52:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:47,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:47,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:47,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623673821] [2023-11-26 11:52:47,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623673821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:47,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:47,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:47,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443821146] [2023-11-26 11:52:47,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:47,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:47,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:47,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:47,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:47,307 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 595 [2023-11-26 11:52:47,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 553 places, 559 transitions, 1126 flow. Second operand has 3 states, 3 states have (on average 559.3333333333334) internal successors, (1678), 3 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:47,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 595 [2023-11-26 11:52:47,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:47,710 INFO L124 PetriNetUnfolderBase]: 67/1206 cut-off events. [2023-11-26 11:52:47,710 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-26 11:52:47,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 1206 events. 67/1206 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5212 event pairs, 29 based on Foata normal form. 0/1093 useless extension candidates. Maximal degree in co-relation 1213. Up to 80 conditions per place. [2023-11-26 11:52:47,725 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 15 selfloop transitions, 2 changer transitions 0/558 dead transitions. [2023-11-26 11:52:47,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 558 transitions, 1158 flow [2023-11-26 11:52:47,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:47,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1692 transitions. [2023-11-26 11:52:47,731 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9478991596638655 [2023-11-26 11:52:47,732 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1692 transitions. [2023-11-26 11:52:47,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1692 transitions. [2023-11-26 11:52:47,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:47,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1692 transitions. [2023-11-26 11:52:47,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.0) internal successors, (1692), 3 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,747 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,748 INFO L175 Difference]: Start difference. First operand has 553 places, 559 transitions, 1126 flow. Second operand 3 states and 1692 transitions. [2023-11-26 11:52:47,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 558 transitions, 1158 flow [2023-11-26 11:52:47,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 552 places, 558 transitions, 1154 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:47,761 INFO L231 Difference]: Finished difference. Result has 552 places, 558 transitions, 1124 flow [2023-11-26 11:52:47,762 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1120, PETRI_DIFFERENCE_MINUEND_PLACES=550, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=558, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=556, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1124, PETRI_PLACES=552, PETRI_TRANSITIONS=558} [2023-11-26 11:52:47,764 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -20 predicate places. [2023-11-26 11:52:47,764 INFO L495 AbstractCegarLoop]: Abstraction has has 552 places, 558 transitions, 1124 flow [2023-11-26 11:52:47,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 559.3333333333334) internal successors, (1678), 3 states have internal predecessors, (1678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,766 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:47,767 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:47,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:52:47,767 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 64 more)] === [2023-11-26 11:52:47,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:47,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1125130341, now seen corresponding path program 1 times [2023-11-26 11:52:47,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:47,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376015872] [2023-11-26 11:52:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:47,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:47,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376015872] [2023-11-26 11:52:47,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376015872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:47,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:47,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:47,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422844905] [2023-11-26 11:52:47,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:47,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:47,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:47,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:47,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:47,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:47,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 558 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:47,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:47,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:47,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:48,328 INFO L124 PetriNetUnfolderBase]: 60/1141 cut-off events. [2023-11-26 11:52:48,329 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:48,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1226 conditions, 1141 events. 60/1141 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4603 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1129. Up to 68 conditions per place. [2023-11-26 11:52:48,341 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/557 dead transitions. [2023-11-26 11:52:48,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 557 transitions, 1154 flow [2023-11-26 11:52:48,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:48,348 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:48,348 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:48,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:48,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:48,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:48,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,363 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,363 INFO L175 Difference]: Start difference. First operand has 552 places, 558 transitions, 1124 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:48,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 557 transitions, 1154 flow [2023-11-26 11:52:48,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 557 transitions, 1150 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:48,377 INFO L231 Difference]: Finished difference. Result has 551 places, 557 transitions, 1122 flow [2023-11-26 11:52:48,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1118, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=555, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1122, PETRI_PLACES=551, PETRI_TRANSITIONS=557} [2023-11-26 11:52:48,381 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -21 predicate places. [2023-11-26 11:52:48,382 INFO L495 AbstractCegarLoop]: Abstraction has has 551 places, 557 transitions, 1122 flow [2023-11-26 11:52:48,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:48,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:48,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:52:48,384 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 64 more)] === [2023-11-26 11:52:48,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:48,386 INFO L85 PathProgramCache]: Analyzing trace with hash -730006125, now seen corresponding path program 1 times [2023-11-26 11:52:48,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:48,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839431932] [2023-11-26 11:52:48,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:48,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:48,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:48,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839431932] [2023-11-26 11:52:48,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839431932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:48,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:48,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:48,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454697644] [2023-11-26 11:52:48,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:48,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:48,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:48,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:48,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:48,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:48,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 557 transitions, 1122 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:48,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:48,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:48,876 INFO L124 PetriNetUnfolderBase]: 60/1140 cut-off events. [2023-11-26 11:52:48,876 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:48,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1225 conditions, 1140 events. 60/1140 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4595 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1121. Up to 68 conditions per place. [2023-11-26 11:52:48,888 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/556 dead transitions. [2023-11-26 11:52:48,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 556 transitions, 1152 flow [2023-11-26 11:52:48,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:48,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:48,895 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:48,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:48,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:48,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:48,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,909 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,910 INFO L175 Difference]: Start difference. First operand has 551 places, 557 transitions, 1122 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:48,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 556 transitions, 1152 flow [2023-11-26 11:52:48,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 550 places, 556 transitions, 1148 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:48,923 INFO L231 Difference]: Finished difference. Result has 550 places, 556 transitions, 1120 flow [2023-11-26 11:52:48,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=548, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=556, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=554, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1120, PETRI_PLACES=550, PETRI_TRANSITIONS=556} [2023-11-26 11:52:48,927 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -22 predicate places. [2023-11-26 11:52:48,928 INFO L495 AbstractCegarLoop]: Abstraction has has 550 places, 556 transitions, 1120 flow [2023-11-26 11:52:48,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:48,930 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:48,930 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:48,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:52:48,930 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 64 more)] === [2023-11-26 11:52:48,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:48,931 INFO L85 PathProgramCache]: Analyzing trace with hash -965053958, now seen corresponding path program 1 times [2023-11-26 11:52:48,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:48,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231262397] [2023-11-26 11:52:48,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:48,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:49,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:49,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:49,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231262397] [2023-11-26 11:52:49,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231262397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:49,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:49,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:49,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952158171] [2023-11-26 11:52:49,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:49,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:49,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:49,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:49,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:49,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:49,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 550 places, 556 transitions, 1120 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:49,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:49,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:49,440 INFO L124 PetriNetUnfolderBase]: 60/1139 cut-off events. [2023-11-26 11:52:49,440 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:49,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 1139 events. 60/1139 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4597 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1113. Up to 68 conditions per place. [2023-11-26 11:52:49,451 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/555 dead transitions. [2023-11-26 11:52:49,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 555 transitions, 1150 flow [2023-11-26 11:52:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:49,457 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:49,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:49,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:49,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:49,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:49,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,470 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,471 INFO L175 Difference]: Start difference. First operand has 550 places, 556 transitions, 1120 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:49,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 555 transitions, 1150 flow [2023-11-26 11:52:49,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 555 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:49,483 INFO L231 Difference]: Finished difference. Result has 549 places, 555 transitions, 1118 flow [2023-11-26 11:52:49,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1114, PETRI_DIFFERENCE_MINUEND_PLACES=547, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=549, PETRI_TRANSITIONS=555} [2023-11-26 11:52:49,485 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -23 predicate places. [2023-11-26 11:52:49,485 INFO L495 AbstractCegarLoop]: Abstraction has has 549 places, 555 transitions, 1118 flow [2023-11-26 11:52:49,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,487 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:49,487 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:49,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:52:49,488 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 64 more)] === [2023-11-26 11:52:49,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:49,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1640050606, now seen corresponding path program 1 times [2023-11-26 11:52:49,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:49,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591824667] [2023-11-26 11:52:49,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:49,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:49,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:49,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591824667] [2023-11-26 11:52:49,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591824667] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:49,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:49,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130854598] [2023-11-26 11:52:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:49,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:49,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:49,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:49,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:49,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 555 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:49,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:49,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:49,963 INFO L124 PetriNetUnfolderBase]: 60/1138 cut-off events. [2023-11-26 11:52:49,964 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:49,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 1138 events. 60/1138 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4598 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1105. Up to 68 conditions per place. [2023-11-26 11:52:49,977 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/554 dead transitions. [2023-11-26 11:52:49,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 554 transitions, 1148 flow [2023-11-26 11:52:49,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:49,984 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:49,984 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:49,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:49,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:49,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:49,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:49,997 INFO L175 Difference]: Start difference. First operand has 549 places, 555 transitions, 1118 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:49,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 554 transitions, 1148 flow [2023-11-26 11:52:50,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 554 transitions, 1144 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:50,010 INFO L231 Difference]: Finished difference. Result has 548 places, 554 transitions, 1116 flow [2023-11-26 11:52:50,011 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=554, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=552, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1116, PETRI_PLACES=548, PETRI_TRANSITIONS=554} [2023-11-26 11:52:50,012 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -24 predicate places. [2023-11-26 11:52:50,012 INFO L495 AbstractCegarLoop]: Abstraction has has 548 places, 554 transitions, 1116 flow [2023-11-26 11:52:50,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:50,013 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:50,013 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:50,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:52:50,014 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 64 more)] === [2023-11-26 11:52:50,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:50,014 INFO L85 PathProgramCache]: Analyzing trace with hash 918133724, now seen corresponding path program 1 times [2023-11-26 11:52:50,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:50,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375001940] [2023-11-26 11:52:50,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:50,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:50,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375001940] [2023-11-26 11:52:50,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375001940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:50,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:50,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:50,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808729190] [2023-11-26 11:52:50,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:50,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:50,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:50,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:50,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:50,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:50,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 554 transitions, 1116 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:50,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:50,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:50,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:50,482 INFO L124 PetriNetUnfolderBase]: 60/1137 cut-off events. [2023-11-26 11:52:50,482 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:50,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 1137 events. 60/1137 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4596 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1097. Up to 68 conditions per place. [2023-11-26 11:52:50,495 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/553 dead transitions. [2023-11-26 11:52:50,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 553 transitions, 1146 flow [2023-11-26 11:52:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:50,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:50,501 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:50,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:50,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:50,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:50,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:50,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:50,515 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:50,515 INFO L175 Difference]: Start difference. First operand has 548 places, 554 transitions, 1116 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:50,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 553 transitions, 1146 flow [2023-11-26 11:52:50,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 553 transitions, 1142 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:50,528 INFO L231 Difference]: Finished difference. Result has 547 places, 553 transitions, 1114 flow [2023-11-26 11:52:50,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=545, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=547, PETRI_TRANSITIONS=553} [2023-11-26 11:52:50,531 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -25 predicate places. [2023-11-26 11:52:50,531 INFO L495 AbstractCegarLoop]: Abstraction has has 547 places, 553 transitions, 1114 flow [2023-11-26 11:52:50,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:50,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:50,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:50,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:52:50,533 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 64 more)] === [2023-11-26 11:52:50,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:50,533 INFO L85 PathProgramCache]: Analyzing trace with hash -293087888, now seen corresponding path program 1 times [2023-11-26 11:52:50,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:50,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879873000] [2023-11-26 11:52:50,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:50,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:50,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:50,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879873000] [2023-11-26 11:52:50,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879873000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:50,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:50,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:50,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559976744] [2023-11-26 11:52:50,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:50,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:50,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:50,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:50,667 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:50,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 553 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:50,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:50,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:50,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:51,019 INFO L124 PetriNetUnfolderBase]: 60/1136 cut-off events. [2023-11-26 11:52:51,020 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:51,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 1136 events. 60/1136 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4614 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1089. Up to 68 conditions per place. [2023-11-26 11:52:51,033 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/552 dead transitions. [2023-11-26 11:52:51,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 552 transitions, 1144 flow [2023-11-26 11:52:51,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:51,040 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:51,041 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:51,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:51,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:51,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:51,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,053 INFO L175 Difference]: Start difference. First operand has 547 places, 553 transitions, 1114 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:51,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 552 transitions, 1144 flow [2023-11-26 11:52:51,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 552 transitions, 1140 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:51,067 INFO L231 Difference]: Finished difference. Result has 546 places, 552 transitions, 1112 flow [2023-11-26 11:52:51,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=544, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=550, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1112, PETRI_PLACES=546, PETRI_TRANSITIONS=552} [2023-11-26 11:52:51,070 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -26 predicate places. [2023-11-26 11:52:51,071 INFO L495 AbstractCegarLoop]: Abstraction has has 546 places, 552 transitions, 1112 flow [2023-11-26 11:52:51,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:51,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:51,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:52:51,073 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 64 more)] === [2023-11-26 11:52:51,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:51,073 INFO L85 PathProgramCache]: Analyzing trace with hash 850799911, now seen corresponding path program 1 times [2023-11-26 11:52:51,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:51,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718817945] [2023-11-26 11:52:51,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:51,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:51,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718817945] [2023-11-26 11:52:51,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718817945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:51,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:51,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:51,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649093661] [2023-11-26 11:52:51,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:51,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:51,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:51,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:51,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:51,229 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:51,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 552 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:51,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:51,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:51,622 INFO L124 PetriNetUnfolderBase]: 60/1135 cut-off events. [2023-11-26 11:52:51,623 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:51,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1220 conditions, 1135 events. 60/1135 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4611 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1081. Up to 68 conditions per place. [2023-11-26 11:52:51,643 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/551 dead transitions. [2023-11-26 11:52:51,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 551 transitions, 1142 flow [2023-11-26 11:52:51,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:51,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:51,650 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:51,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:51,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:51,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:51,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:51,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,662 INFO L175 Difference]: Start difference. First operand has 546 places, 552 transitions, 1112 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:51,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 551 transitions, 1142 flow [2023-11-26 11:52:51,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 551 transitions, 1138 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:51,674 INFO L231 Difference]: Finished difference. Result has 545 places, 551 transitions, 1110 flow [2023-11-26 11:52:51,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=549, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=545, PETRI_TRANSITIONS=551} [2023-11-26 11:52:51,676 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -27 predicate places. [2023-11-26 11:52:51,677 INFO L495 AbstractCegarLoop]: Abstraction has has 545 places, 551 transitions, 1110 flow [2023-11-26 11:52:51,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,678 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:51,678 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:51,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:52:51,678 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 64 more)] === [2023-11-26 11:52:51,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:51,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1034301038, now seen corresponding path program 1 times [2023-11-26 11:52:51,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:51,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795397743] [2023-11-26 11:52:51,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:51,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:51,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795397743] [2023-11-26 11:52:51,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795397743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:51,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:51,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:51,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18651697] [2023-11-26 11:52:51,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:51,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:51,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:51,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:51,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 557 out of 595 [2023-11-26 11:52:51,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 551 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 558.3333333333334) internal successors, (1675), 3 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:51,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:51,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 557 of 595 [2023-11-26 11:52:51,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:52,179 INFO L124 PetriNetUnfolderBase]: 72/1294 cut-off events. [2023-11-26 11:52:52,179 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-26 11:52:52,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 1294 events. 72/1294 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5741 event pairs, 35 based on Foata normal form. 0/1183 useless extension candidates. Maximal degree in co-relation 1254. Up to 87 conditions per place. [2023-11-26 11:52:52,193 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 16 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2023-11-26 11:52:52,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 550 transitions, 1144 flow [2023-11-26 11:52:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1690 transitions. [2023-11-26 11:52:52,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9467787114845938 [2023-11-26 11:52:52,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1690 transitions. [2023-11-26 11:52:52,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1690 transitions. [2023-11-26 11:52:52,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:52,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1690 transitions. [2023-11-26 11:52:52,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 563.3333333333334) internal successors, (1690), 3 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,213 INFO L175 Difference]: Start difference. First operand has 545 places, 551 transitions, 1110 flow. Second operand 3 states and 1690 transitions. [2023-11-26 11:52:52,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 550 transitions, 1144 flow [2023-11-26 11:52:52,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 550 transitions, 1140 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:52,226 INFO L231 Difference]: Finished difference. Result has 544 places, 550 transitions, 1108 flow [2023-11-26 11:52:52,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1104, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=550, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=548, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1108, PETRI_PLACES=544, PETRI_TRANSITIONS=550} [2023-11-26 11:52:52,228 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -28 predicate places. [2023-11-26 11:52:52,228 INFO L495 AbstractCegarLoop]: Abstraction has has 544 places, 550 transitions, 1108 flow [2023-11-26 11:52:52,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 558.3333333333334) internal successors, (1675), 3 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:52,229 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:52,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:52:52,230 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 64 more)] === [2023-11-26 11:52:52,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2036069392, now seen corresponding path program 1 times [2023-11-26 11:52:52,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:52,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603176197] [2023-11-26 11:52:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:52,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:52,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603176197] [2023-11-26 11:52:52,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603176197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:52,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:52,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:52,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321319634] [2023-11-26 11:52:52,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:52,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:52,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:52,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:52,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:52,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:52,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 550 transitions, 1108 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:52,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:52,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:52,719 INFO L124 PetriNetUnfolderBase]: 60/1133 cut-off events. [2023-11-26 11:52:52,719 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:52,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1218 conditions, 1133 events. 60/1133 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4624 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1065. Up to 68 conditions per place. [2023-11-26 11:52:52,732 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2023-11-26 11:52:52,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 549 transitions, 1138 flow [2023-11-26 11:52:52,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:52,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:52,740 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:52,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:52,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:52,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:52,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,754 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,754 INFO L175 Difference]: Start difference. First operand has 544 places, 550 transitions, 1108 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:52,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 549 transitions, 1138 flow [2023-11-26 11:52:52,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 549 transitions, 1134 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:52,767 INFO L231 Difference]: Finished difference. Result has 543 places, 549 transitions, 1106 flow [2023-11-26 11:52:52,769 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=547, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1106, PETRI_PLACES=543, PETRI_TRANSITIONS=549} [2023-11-26 11:52:52,769 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -29 predicate places. [2023-11-26 11:52:52,770 INFO L495 AbstractCegarLoop]: Abstraction has has 543 places, 549 transitions, 1106 flow [2023-11-26 11:52:52,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:52,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:52,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:52:52,772 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 64 more)] === [2023-11-26 11:52:52,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1160265798, now seen corresponding path program 1 times [2023-11-26 11:52:52,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:52,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555924974] [2023-11-26 11:52:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:52,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:52,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555924974] [2023-11-26 11:52:52,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555924974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:52,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:52,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:52,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760553999] [2023-11-26 11:52:52,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:52,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:52,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:52,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:52,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:52,901 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:52,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 549 transitions, 1106 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:52,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:52,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:52,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:53,250 INFO L124 PetriNetUnfolderBase]: 60/1132 cut-off events. [2023-11-26 11:52:53,250 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:53,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1217 conditions, 1132 events. 60/1132 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4625 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1057. Up to 68 conditions per place. [2023-11-26 11:52:53,263 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/548 dead transitions. [2023-11-26 11:52:53,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 548 transitions, 1136 flow [2023-11-26 11:52:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:53,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:53,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:53,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:53,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:53,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:53,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,283 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,284 INFO L175 Difference]: Start difference. First operand has 543 places, 549 transitions, 1106 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:53,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 548 transitions, 1136 flow [2023-11-26 11:52:53,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 548 transitions, 1132 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:53,296 INFO L231 Difference]: Finished difference. Result has 542 places, 548 transitions, 1104 flow [2023-11-26 11:52:53,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1100, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=546, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=542, PETRI_TRANSITIONS=548} [2023-11-26 11:52:53,298 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -30 predicate places. [2023-11-26 11:52:53,298 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 548 transitions, 1104 flow [2023-11-26 11:52:53,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:53,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:53,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:52:53,300 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 64 more)] === [2023-11-26 11:52:53,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:53,301 INFO L85 PathProgramCache]: Analyzing trace with hash -775938968, now seen corresponding path program 1 times [2023-11-26 11:52:53,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:53,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963575382] [2023-11-26 11:52:53,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:53,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:53,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:53,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963575382] [2023-11-26 11:52:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963575382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:53,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:53,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:53,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949228478] [2023-11-26 11:52:53,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:53,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:53,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:53,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:53,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:53,453 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:53,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 548 transitions, 1104 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:53,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:53,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:53,793 INFO L124 PetriNetUnfolderBase]: 60/1131 cut-off events. [2023-11-26 11:52:53,794 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:53,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 1131 events. 60/1131 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4623 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1049. Up to 68 conditions per place. [2023-11-26 11:52:53,805 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/547 dead transitions. [2023-11-26 11:52:53,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 547 transitions, 1134 flow [2023-11-26 11:52:53,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:53,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:53,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:53,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:53,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:53,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:53,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:53,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:53,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,826 INFO L175 Difference]: Start difference. First operand has 542 places, 548 transitions, 1104 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:53,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 547 transitions, 1134 flow [2023-11-26 11:52:53,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 547 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:53,839 INFO L231 Difference]: Finished difference. Result has 541 places, 547 transitions, 1102 flow [2023-11-26 11:52:53,840 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=547, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=545, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=541, PETRI_TRANSITIONS=547} [2023-11-26 11:52:53,841 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -31 predicate places. [2023-11-26 11:52:53,841 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 547 transitions, 1102 flow [2023-11-26 11:52:53,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:53,843 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:53,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:52:53,843 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 64 more)] === [2023-11-26 11:52:53,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:53,844 INFO L85 PathProgramCache]: Analyzing trace with hash -705672901, now seen corresponding path program 1 times [2023-11-26 11:52:53,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:53,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610030708] [2023-11-26 11:52:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:53,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:53,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610030708] [2023-11-26 11:52:53,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610030708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:53,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:53,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:53,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68830050] [2023-11-26 11:52:53,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:53,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:53,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:53,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:53,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:53,971 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:52:53,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 547 transitions, 1102 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:53,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:53,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:52:53,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:54,308 INFO L124 PetriNetUnfolderBase]: 60/1130 cut-off events. [2023-11-26 11:52:54,308 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:54,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1215 conditions, 1130 events. 60/1130 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4621 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1041. Up to 68 conditions per place. [2023-11-26 11:52:54,319 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 14 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2023-11-26 11:52:54,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 546 transitions, 1132 flow [2023-11-26 11:52:54,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1694 transitions. [2023-11-26 11:52:54,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9490196078431372 [2023-11-26 11:52:54,326 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1694 transitions. [2023-11-26 11:52:54,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1694 transitions. [2023-11-26 11:52:54,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:54,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1694 transitions. [2023-11-26 11:52:54,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 564.6666666666666) internal successors, (1694), 3 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,339 INFO L175 Difference]: Start difference. First operand has 541 places, 547 transitions, 1102 flow. Second operand 3 states and 1694 transitions. [2023-11-26 11:52:54,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 546 transitions, 1132 flow [2023-11-26 11:52:54,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 546 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:54,351 INFO L231 Difference]: Finished difference. Result has 540 places, 546 transitions, 1100 flow [2023-11-26 11:52:54,352 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=538, 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=1100, PETRI_PLACES=540, PETRI_TRANSITIONS=546} [2023-11-26 11:52:54,352 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -32 predicate places. [2023-11-26 11:52:54,352 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 546 transitions, 1100 flow [2023-11-26 11:52:54,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:54,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:54,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:52:54,354 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 64 more)] === [2023-11-26 11:52:54,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:54,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1315551170, now seen corresponding path program 1 times [2023-11-26 11:52:54,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:54,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761975346] [2023-11-26 11:52:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:54,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:54,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:54,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761975346] [2023-11-26 11:52:54,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761975346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:54,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:54,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:54,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831401013] [2023-11-26 11:52:54,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:54,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:54,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:54,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:54,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 557 out of 595 [2023-11-26 11:52:54,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 546 transitions, 1100 flow. Second operand has 3 states, 3 states have (on average 558.3333333333334) internal successors, (1675), 3 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:54,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 557 of 595 [2023-11-26 11:52:54,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:54,925 INFO L124 PetriNetUnfolderBase]: 78/1319 cut-off events. [2023-11-26 11:52:54,926 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-26 11:52:54,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 1319 events. 78/1319 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6169 event pairs, 35 based on Foata normal form. 0/1209 useless extension candidates. Maximal degree in co-relation 1250. Up to 93 conditions per place. [2023-11-26 11:52:54,939 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 16 selfloop transitions, 2 changer transitions 0/545 dead transitions. [2023-11-26 11:52:54,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 545 transitions, 1134 flow [2023-11-26 11:52:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:54,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1690 transitions. [2023-11-26 11:52:54,947 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9467787114845938 [2023-11-26 11:52:54,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1690 transitions. [2023-11-26 11:52:54,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1690 transitions. [2023-11-26 11:52:54,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:54,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1690 transitions. [2023-11-26 11:52:54,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 563.3333333333334) internal successors, (1690), 3 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,962 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,962 INFO L175 Difference]: Start difference. First operand has 540 places, 546 transitions, 1100 flow. Second operand 3 states and 1690 transitions. [2023-11-26 11:52:54,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 545 transitions, 1134 flow [2023-11-26 11:52:54,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 545 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:54,977 INFO L231 Difference]: Finished difference. Result has 539 places, 545 transitions, 1098 flow [2023-11-26 11:52:54,978 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=539, PETRI_TRANSITIONS=545} [2023-11-26 11:52:54,979 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -33 predicate places. [2023-11-26 11:52:54,979 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 545 transitions, 1098 flow [2023-11-26 11:52:54,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 558.3333333333334) internal successors, (1675), 3 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:54,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:54,981 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:54,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 11:52:54,982 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 64 more)] === [2023-11-26 11:52:54,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:54,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1943835246, now seen corresponding path program 1 times [2023-11-26 11:52:54,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:54,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265372272] [2023-11-26 11:52:54,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:54,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:55,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:55,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:55,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265372272] [2023-11-26 11:52:55,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265372272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:55,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:55,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:55,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571296735] [2023-11-26 11:52:55,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:55,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:55,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:55,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:55,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:55,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 595 [2023-11-26 11:52:55,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 545 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 557.3333333333334) internal successors, (1672), 3 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:55,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:55,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 595 [2023-11-26 11:52:55,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:55,684 INFO L124 PetriNetUnfolderBase]: 78/1321 cut-off events. [2023-11-26 11:52:55,685 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-26 11:52:55,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1434 conditions, 1321 events. 78/1321 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6165 event pairs, 35 based on Foata normal form. 0/1212 useless extension candidates. Maximal degree in co-relation 1246. Up to 94 conditions per place. [2023-11-26 11:52:55,695 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 17 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2023-11-26 11:52:55,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 544 transitions, 1134 flow [2023-11-26 11:52:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1688 transitions. [2023-11-26 11:52:55,702 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9456582633053221 [2023-11-26 11:52:55,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1688 transitions. [2023-11-26 11:52:55,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1688 transitions. [2023-11-26 11:52:55,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:55,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1688 transitions. [2023-11-26 11:52:55,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 562.6666666666666) internal successors, (1688), 3 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:55,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:55,721 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:55,722 INFO L175 Difference]: Start difference. First operand has 539 places, 545 transitions, 1098 flow. Second operand 3 states and 1688 transitions. [2023-11-26 11:52:55,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 544 transitions, 1134 flow [2023-11-26 11:52:55,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 544 transitions, 1130 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:55,736 INFO L231 Difference]: Finished difference. Result has 538 places, 544 transitions, 1096 flow [2023-11-26 11:52:55,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=536, 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=538, PETRI_TRANSITIONS=544} [2023-11-26 11:52:55,738 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -34 predicate places. [2023-11-26 11:52:55,738 INFO L495 AbstractCegarLoop]: Abstraction has has 538 places, 544 transitions, 1096 flow [2023-11-26 11:52:55,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 557.3333333333334) internal successors, (1672), 3 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:55,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:55,740 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:55,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 11:52:55,740 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 64 more)] === [2023-11-26 11:52:55,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:55,741 INFO L85 PathProgramCache]: Analyzing trace with hash 925584440, now seen corresponding path program 1 times [2023-11-26 11:52:55,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:55,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888087214] [2023-11-26 11:52:55,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:55,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:55,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:55,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888087214] [2023-11-26 11:52:55,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888087214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:55,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:55,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:55,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993471367] [2023-11-26 11:52:55,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:55,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:55,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:55,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:55,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:55,934 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 595 [2023-11-26 11:52:55,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 544 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 557.0) internal successors, (1671), 3 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:55,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:55,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 595 [2023-11-26 11:52:55,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:56,391 INFO L124 PetriNetUnfolderBase]: 105/1587 cut-off events. [2023-11-26 11:52:56,392 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-26 11:52:56,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1726 conditions, 1587 events. 105/1587 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8252 event pairs, 48 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 1530. Up to 118 conditions per place. [2023-11-26 11:52:56,410 INFO L140 encePairwiseOnDemand]: 591/595 looper letters, 17 selfloop transitions, 1 changer transitions 0/541 dead transitions. [2023-11-26 11:52:56,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 541 transitions, 1126 flow [2023-11-26 11:52:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1689 transitions. [2023-11-26 11:52:56,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.946218487394958 [2023-11-26 11:52:56,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1689 transitions. [2023-11-26 11:52:56,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1689 transitions. [2023-11-26 11:52:56,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:56,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1689 transitions. [2023-11-26 11:52:56,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 563.0) internal successors, (1689), 3 states have internal predecessors, (1689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:56,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:56,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:56,432 INFO L175 Difference]: Start difference. First operand has 538 places, 544 transitions, 1096 flow. Second operand 3 states and 1689 transitions. [2023-11-26 11:52:56,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 541 transitions, 1126 flow [2023-11-26 11:52:56,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 541 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:56,446 INFO L231 Difference]: Finished difference. Result has 535 places, 541 transitions, 1088 flow [2023-11-26 11:52:56,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1088, PETRI_PLACES=535, PETRI_TRANSITIONS=541} [2023-11-26 11:52:56,449 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -37 predicate places. [2023-11-26 11:52:56,449 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 541 transitions, 1088 flow [2023-11-26 11:52:56,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 557.0) internal successors, (1671), 3 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:56,450 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:56,451 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:56,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 11:52:56,451 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 64 more)] === [2023-11-26 11:52:56,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:56,452 INFO L85 PathProgramCache]: Analyzing trace with hash 316535890, now seen corresponding path program 1 times [2023-11-26 11:52:56,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:56,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986841806] [2023-11-26 11:52:56,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:56,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:56,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986841806] [2023-11-26 11:52:56,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986841806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:56,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:56,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:56,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342898897] [2023-11-26 11:52:56,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:56,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:56,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:56,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:56,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 563 out of 595 [2023-11-26 11:52:56,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 541 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 563.6666666666666) internal successors, (1691), 3 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:56,634 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:56,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 563 of 595 [2023-11-26 11:52:56,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:57,099 INFO L124 PetriNetUnfolderBase]: 60/1121 cut-off events. [2023-11-26 11:52:57,099 INFO L125 PetriNetUnfolderBase]: For 10/11 co-relation queries the response was YES. [2023-11-26 11:52:57,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1202 conditions, 1121 events. 60/1121 cut-off events. For 10/11 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4563 event pairs, 24 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1007. Up to 66 conditions per place. [2023-11-26 11:52:57,112 INFO L140 encePairwiseOnDemand]: 593/595 looper letters, 12 selfloop transitions, 1 changer transitions 0/540 dead transitions. [2023-11-26 11:52:57,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 540 transitions, 1112 flow [2023-11-26 11:52:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1703 transitions. [2023-11-26 11:52:57,120 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.95406162464986 [2023-11-26 11:52:57,120 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1703 transitions. [2023-11-26 11:52:57,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1703 transitions. [2023-11-26 11:52:57,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:57,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1703 transitions. [2023-11-26 11:52:57,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 567.6666666666666) internal successors, (1703), 3 states have internal predecessors, (1703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,133 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,134 INFO L175 Difference]: Start difference. First operand has 535 places, 541 transitions, 1088 flow. Second operand 3 states and 1703 transitions. [2023-11-26 11:52:57,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 540 transitions, 1112 flow [2023-11-26 11:52:57,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 540 transitions, 1111 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:52:57,147 INFO L231 Difference]: Finished difference. Result has 535 places, 540 transitions, 1087 flow [2023-11-26 11:52:57,148 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1087, PETRI_PLACES=535, PETRI_TRANSITIONS=540} [2023-11-26 11:52:57,149 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -37 predicate places. [2023-11-26 11:52:57,150 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 540 transitions, 1087 flow [2023-11-26 11:52:57,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 563.6666666666666) internal successors, (1691), 3 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:57,151 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:57,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 11:52:57,151 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 64 more)] === [2023-11-26 11:52:57,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:57,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1190976544, now seen corresponding path program 1 times [2023-11-26 11:52:57,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:57,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204045246] [2023-11-26 11:52:57,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:57,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:57,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:57,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204045246] [2023-11-26 11:52:57,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204045246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:57,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:57,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:57,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915583097] [2023-11-26 11:52:57,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:57,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:57,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:57,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:57,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:57,385 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 553 out of 595 [2023-11-26 11:52:57,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 540 transitions, 1087 flow. Second operand has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:57,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 553 of 595 [2023-11-26 11:52:57,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:57,837 INFO L124 PetriNetUnfolderBase]: 105/1345 cut-off events. [2023-11-26 11:52:57,837 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2023-11-26 11:52:57,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1345 events. 105/1345 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6781 event pairs, 48 based on Foata normal form. 0/1231 useless extension candidates. Maximal degree in co-relation 1301. Up to 130 conditions per place. [2023-11-26 11:52:57,854 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 21 selfloop transitions, 2 changer transitions 0/539 dead transitions. [2023-11-26 11:52:57,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 539 transitions, 1131 flow [2023-11-26 11:52:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1683 transitions. [2023-11-26 11:52:57,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428571428571428 [2023-11-26 11:52:57,862 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1683 transitions. [2023-11-26 11:52:57,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1683 transitions. [2023-11-26 11:52:57,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:57,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1683 transitions. [2023-11-26 11:52:57,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 561.0) internal successors, (1683), 3 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,874 INFO L175 Difference]: Start difference. First operand has 535 places, 540 transitions, 1087 flow. Second operand 3 states and 1683 transitions. [2023-11-26 11:52:57,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 539 transitions, 1131 flow [2023-11-26 11:52:57,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 539 transitions, 1130 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:52:57,888 INFO L231 Difference]: Finished difference. Result has 535 places, 539 transitions, 1088 flow [2023-11-26 11:52:57,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=533, 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=1088, PETRI_PLACES=535, PETRI_TRANSITIONS=539} [2023-11-26 11:52:57,890 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -37 predicate places. [2023-11-26 11:52:57,891 INFO L495 AbstractCegarLoop]: Abstraction has has 535 places, 539 transitions, 1088 flow [2023-11-26 11:52:57,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 554.3333333333334) internal successors, (1663), 3 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:57,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:57,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:57,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 11:52:57,893 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 64 more)] === [2023-11-26 11:52:57,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:57,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1986547733, now seen corresponding path program 1 times [2023-11-26 11:52:57,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:57,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710315950] [2023-11-26 11:52:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:57,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:58,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:58,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710315950] [2023-11-26 11:52:58,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710315950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:58,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:58,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:58,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295734777] [2023-11-26 11:52:58,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:58,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:58,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:58,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:58,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:58,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 595 [2023-11-26 11:52:58,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 539 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:58,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:58,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 595 [2023-11-26 11:52:58,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:58,810 INFO L124 PetriNetUnfolderBase]: 152/1704 cut-off events. [2023-11-26 11:52:58,811 INFO L125 PetriNetUnfolderBase]: For 19/20 co-relation queries the response was YES. [2023-11-26 11:52:58,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1942 conditions, 1704 events. 152/1704 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 9608 event pairs, 47 based on Foata normal form. 0/1584 useless extension candidates. Maximal degree in co-relation 1747. Up to 194 conditions per place. [2023-11-26 11:52:58,832 INFO L140 encePairwiseOnDemand]: 586/595 looper letters, 26 selfloop transitions, 4 changer transitions 0/541 dead transitions. [2023-11-26 11:52:58,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 541 transitions, 1156 flow [2023-11-26 11:52:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:58,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:58,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1682 transitions. [2023-11-26 11:52:58,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.942296918767507 [2023-11-26 11:52:58,840 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1682 transitions. [2023-11-26 11:52:58,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1682 transitions. [2023-11-26 11:52:58,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:58,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1682 transitions. [2023-11-26 11:52:58,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 560.6666666666666) internal successors, (1682), 3 states have internal predecessors, (1682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:58,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:58,852 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:58,853 INFO L175 Difference]: Start difference. First operand has 535 places, 539 transitions, 1088 flow. Second operand 3 states and 1682 transitions. [2023-11-26 11:52:58,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 541 transitions, 1156 flow [2023-11-26 11:52:58,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 541 transitions, 1152 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:58,869 INFO L231 Difference]: Finished difference. Result has 531 places, 536 transitions, 1094 flow [2023-11-26 11:52:58,870 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=531, PETRI_TRANSITIONS=536} [2023-11-26 11:52:58,871 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -41 predicate places. [2023-11-26 11:52:58,871 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 536 transitions, 1094 flow [2023-11-26 11:52:58,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.0) internal successors, (1650), 3 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:58,872 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:58,873 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:58,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 11:52:58,873 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-11-26 11:52:58,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:58,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1364273368, now seen corresponding path program 1 times [2023-11-26 11:52:58,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:58,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603073178] [2023-11-26 11:52:58,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:58,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:59,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:59,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603073178] [2023-11-26 11:52:59,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603073178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:59,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:59,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:59,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211927701] [2023-11-26 11:52:59,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:59,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:59,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:59,050 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 595 [2023-11-26 11:52:59,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 536 transitions, 1094 flow. Second operand has 3 states, 3 states have (on average 563.3333333333334) internal successors, (1690), 3 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:59,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:59,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 595 [2023-11-26 11:52:59,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:59,566 INFO L124 PetriNetUnfolderBase]: 91/1662 cut-off events. [2023-11-26 11:52:59,567 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-26 11:52:59,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1823 conditions, 1662 events. 91/1662 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9001 event pairs, 34 based on Foata normal form. 0/1553 useless extension candidates. Maximal degree in co-relation 1627. Up to 100 conditions per place. [2023-11-26 11:52:59,622 INFO L140 encePairwiseOnDemand]: 593/595 looper letters, 18 selfloop transitions, 1 changer transitions 0/540 dead transitions. [2023-11-26 11:52:59,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 540 transitions, 1142 flow [2023-11-26 11:52:59,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:59,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1706 transitions. [2023-11-26 11:52:59,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9557422969187676 [2023-11-26 11:52:59,630 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1706 transitions. [2023-11-26 11:52:59,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1706 transitions. [2023-11-26 11:52:59,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:59,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1706 transitions. [2023-11-26 11:52:59,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 568.6666666666666) internal successors, (1706), 3 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:59,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:59,642 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:59,643 INFO L175 Difference]: Start difference. First operand has 531 places, 536 transitions, 1094 flow. Second operand 3 states and 1706 transitions. [2023-11-26 11:52:59,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 540 transitions, 1142 flow [2023-11-26 11:52:59,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 540 transitions, 1138 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:52:59,659 INFO L231 Difference]: Finished difference. Result has 531 places, 535 transitions, 1090 flow [2023-11-26 11:52:59,661 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=529, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=535, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=531, PETRI_TRANSITIONS=535} [2023-11-26 11:52:59,662 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -41 predicate places. [2023-11-26 11:52:59,662 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 535 transitions, 1090 flow [2023-11-26 11:52:59,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 563.3333333333334) internal successors, (1690), 3 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:59,664 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:59,664 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:59,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-26 11:52:59,664 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-11-26 11:52:59,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:59,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1412512459, now seen corresponding path program 1 times [2023-11-26 11:52:59,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:59,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349493957] [2023-11-26 11:52:59,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:59,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:59,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:59,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349493957] [2023-11-26 11:52:59,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349493957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:59,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:59,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:59,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495886068] [2023-11-26 11:52:59,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:59,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:59,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:59,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:59,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:59,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 553 out of 595 [2023-11-26 11:52:59,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 535 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:59,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:59,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 553 of 595 [2023-11-26 11:52:59,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:00,407 INFO L124 PetriNetUnfolderBase]: 110/1517 cut-off events. [2023-11-26 11:53:00,407 INFO L125 PetriNetUnfolderBase]: For 28/29 co-relation queries the response was YES. [2023-11-26 11:53:00,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 1517 events. 110/1517 cut-off events. For 28/29 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7903 event pairs, 46 based on Foata normal form. 0/1413 useless extension candidates. Maximal degree in co-relation 1515. Up to 141 conditions per place. [2023-11-26 11:53:00,427 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 23 selfloop transitions, 2 changer transitions 0/534 dead transitions. [2023-11-26 11:53:00,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 534 transitions, 1138 flow [2023-11-26 11:53:00,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:53:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1683 transitions. [2023-11-26 11:53:00,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428571428571428 [2023-11-26 11:53:00,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1683 transitions. [2023-11-26 11:53:00,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1683 transitions. [2023-11-26 11:53:00,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:00,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1683 transitions. [2023-11-26 11:53:00,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 561.0) internal successors, (1683), 3 states have internal predecessors, (1683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:00,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:00,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:00,444 INFO L175 Difference]: Start difference. First operand has 531 places, 535 transitions, 1090 flow. Second operand 3 states and 1683 transitions. [2023-11-26 11:53:00,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 534 transitions, 1138 flow [2023-11-26 11:53:00,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 531 places, 534 transitions, 1137 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:53:00,458 INFO L231 Difference]: Finished difference. Result has 531 places, 534 transitions, 1091 flow [2023-11-26 11:53:00,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1087, 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=1091, PETRI_PLACES=531, PETRI_TRANSITIONS=534} [2023-11-26 11:53:00,461 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -41 predicate places. [2023-11-26 11:53:00,461 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 534 transitions, 1091 flow [2023-11-26 11:53:00,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 555.0) internal successors, (1665), 3 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:00,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:00,463 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:00,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-26 11:53:00,463 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting whoop_wrapper_write_nvramErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-11-26 11:53:00,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:00,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1101628918, now seen corresponding path program 1 times [2023-11-26 11:53:00,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:00,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096224166] [2023-11-26 11:53:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:00,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:00,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:00,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096224166] [2023-11-26 11:53:00,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096224166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:00,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:00,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:00,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783084144] [2023-11-26 11:53:00,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:00,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:00,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:00,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:00,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:00,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:53:00,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 534 transitions, 1091 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:00,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:00,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:53:00,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:01,167 INFO L124 PetriNetUnfolderBase]: 135/2098 cut-off events. [2023-11-26 11:53:01,167 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-26 11:53:01,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2316 conditions, 2098 events. 135/2098 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 13005 event pairs, 52 based on Foata normal form. 0/1970 useless extension candidates. Maximal degree in co-relation 2306. Up to 157 conditions per place. [2023-11-26 11:53:01,184 INFO L140 encePairwiseOnDemand]: 591/595 looper letters, 17 selfloop transitions, 2 changer transitions 0/535 dead transitions. [2023-11-26 11:53:01,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 535 transitions, 1133 flow [2023-11-26 11:53:01,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:53:01,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2023-11-26 11:53:01,191 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9512605042016806 [2023-11-26 11:53:01,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1698 transitions. [2023-11-26 11:53:01,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1698 transitions. [2023-11-26 11:53:01,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:01,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1698 transitions. [2023-11-26 11:53:01,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 566.0) internal successors, (1698), 3 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:01,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:01,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:01,202 INFO L175 Difference]: Start difference. First operand has 531 places, 534 transitions, 1091 flow. Second operand 3 states and 1698 transitions. [2023-11-26 11:53:01,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 535 transitions, 1133 flow [2023-11-26 11:53:01,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 535 transitions, 1129 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:53:01,215 INFO L231 Difference]: Finished difference. Result has 530 places, 534 transitions, 1097 flow [2023-11-26 11:53:01,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1083, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1097, PETRI_PLACES=530, PETRI_TRANSITIONS=534} [2023-11-26 11:53:01,217 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -42 predicate places. [2023-11-26 11:53:01,217 INFO L495 AbstractCegarLoop]: Abstraction has has 530 places, 534 transitions, 1097 flow [2023-11-26 11:53:01,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:01,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:01,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:01,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-26 11:53:01,219 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting whoop_wrapper_write_nvramErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2023-11-26 11:53:01,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1578743662, now seen corresponding path program 1 times [2023-11-26 11:53:01,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:01,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238051303] [2023-11-26 11:53:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:01,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:01,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:01,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238051303] [2023-11-26 11:53:01,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238051303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:01,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:01,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:01,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724626901] [2023-11-26 11:53:01,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:01,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:01,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:01,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:01,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:01,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 559 out of 595 [2023-11-26 11:53:01,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 534 transitions, 1097 flow. Second operand has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:01,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:01,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 559 of 595 [2023-11-26 11:53:01,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:01,995 INFO L124 PetriNetUnfolderBase]: 143/2153 cut-off events. [2023-11-26 11:53:01,995 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-26 11:53:02,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2392 conditions, 2153 events. 143/2153 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 13658 event pairs, 45 based on Foata normal form. 0/2040 useless extension candidates. Maximal degree in co-relation 2195. Up to 166 conditions per place. [2023-11-26 11:53:02,029 INFO L140 encePairwiseOnDemand]: 591/595 looper letters, 17 selfloop transitions, 2 changer transitions 0/535 dead transitions. [2023-11-26 11:53:02,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 535 transitions, 1139 flow [2023-11-26 11:53:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:53:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2023-11-26 11:53:02,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9512605042016806 [2023-11-26 11:53:02,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1698 transitions. [2023-11-26 11:53:02,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1698 transitions. [2023-11-26 11:53:02,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:02,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1698 transitions. [2023-11-26 11:53:02,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 566.0) internal successors, (1698), 3 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,052 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,053 INFO L175 Difference]: Start difference. First operand has 530 places, 534 transitions, 1097 flow. Second operand 3 states and 1698 transitions. [2023-11-26 11:53:02,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 535 transitions, 1139 flow [2023-11-26 11:53:02,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 535 transitions, 1139 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:53:02,068 INFO L231 Difference]: Finished difference. Result has 531 places, 534 transitions, 1107 flow [2023-11-26 11:53:02,070 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1107, PETRI_PLACES=531, PETRI_TRANSITIONS=534} [2023-11-26 11:53:02,071 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -41 predicate places. [2023-11-26 11:53:02,071 INFO L495 AbstractCegarLoop]: Abstraction has has 531 places, 534 transitions, 1107 flow [2023-11-26 11:53:02,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 560.3333333333334) internal successors, (1681), 3 states have internal predecessors, (1681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,073 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:02,073 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:02,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-26 11:53:02,074 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 64 more)] === [2023-11-26 11:53:02,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:02,074 INFO L85 PathProgramCache]: Analyzing trace with hash -737688755, now seen corresponding path program 1 times [2023-11-26 11:53:02,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:02,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871059266] [2023-11-26 11:53:02,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:02,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:02,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:02,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871059266] [2023-11-26 11:53:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871059266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:02,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:02,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201702345] [2023-11-26 11:53:02,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:02,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:02,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:02,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:02,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:02,267 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 562 out of 595 [2023-11-26 11:53:02,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 534 transitions, 1107 flow. Second operand has 3 states, 3 states have (on average 563.6666666666666) internal successors, (1691), 3 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:02,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 562 of 595 [2023-11-26 11:53:02,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:02,846 INFO L124 PetriNetUnfolderBase]: 111/1867 cut-off events. [2023-11-26 11:53:02,847 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2023-11-26 11:53:02,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2077 conditions, 1867 events. 111/1867 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 11094 event pairs, 34 based on Foata normal form. 0/1774 useless extension candidates. Maximal degree in co-relation 1879. Up to 102 conditions per place. [2023-11-26 11:53:02,866 INFO L140 encePairwiseOnDemand]: 593/595 looper letters, 18 selfloop transitions, 1 changer transitions 0/538 dead transitions. [2023-11-26 11:53:02,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 538 transitions, 1154 flow [2023-11-26 11:53:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:53:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1706 transitions. [2023-11-26 11:53:02,873 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9557422969187676 [2023-11-26 11:53:02,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1706 transitions. [2023-11-26 11:53:02,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1706 transitions. [2023-11-26 11:53:02,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:02,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1706 transitions. [2023-11-26 11:53:02,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 568.6666666666666) internal successors, (1706), 3 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,881 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,883 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 595.0) internal successors, (2380), 4 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,883 INFO L175 Difference]: Start difference. First operand has 531 places, 534 transitions, 1107 flow. Second operand 3 states and 1706 transitions. [2023-11-26 11:53:02,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 538 transitions, 1154 flow [2023-11-26 11:53:02,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 532 places, 538 transitions, 1154 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:53:02,897 INFO L231 Difference]: Finished difference. Result has 532 places, 533 transitions, 1107 flow [2023-11-26 11:53:02,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1105, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=532, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1107, PETRI_PLACES=532, PETRI_TRANSITIONS=533} [2023-11-26 11:53:02,899 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -40 predicate places. [2023-11-26 11:53:02,900 INFO L495 AbstractCegarLoop]: Abstraction has has 532 places, 533 transitions, 1107 flow [2023-11-26 11:53:02,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 563.6666666666666) internal successors, (1691), 3 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:02,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:02,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:02,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-26 11:53:02,902 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 64 more)] === [2023-11-26 11:53:02,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:02,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1753462548, now seen corresponding path program 1 times [2023-11-26 11:53:02,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:02,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626388815] [2023-11-26 11:53:02,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:02,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:04,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:04,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626388815] [2023-11-26 11:53:04,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626388815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:04,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:04,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:04,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527050012] [2023-11-26 11:53:04,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:04,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:53:04,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:04,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:53:04,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:53:04,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 556 out of 595 [2023-11-26 11:53:04,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 532 places, 533 transitions, 1107 flow. Second operand has 6 states, 6 states have (on average 557.5) internal successors, (3345), 6 states have internal predecessors, (3345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:04,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:04,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 556 of 595 [2023-11-26 11:53:04,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:07,283 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1736] whoop_wrapper_write_nvramEXIT-->L6885-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1394#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem1394#1=|v_ULTIMATE.start_main_#t~mem1394#1_6|, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem1394#1=|v_ULTIMATE.start_main_#t~mem1394#1_6|, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4} AuxVars[] AssignedVars[][414], [Black: 670#true, 690#(= |#race~whoop_loff_t~0| 0), 695#(= |#race~whoop_file_1~0| 0), whoop_wrapper_read_nvramThread1of1ForFork1InUse, 664#(= |#race~_whoop_init~0| 0), 660#(= |#race~whoop_int~0| 0), Black: 683#true, 702#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|)) 0)), 297#L6731true, 677#(= |#race~whoop_file_0~0| 0), Black: 688#true, 685#(= |#race~whoop_buf~0| 0), 128#L6885-7true]) [2023-11-26 11:53:07,283 INFO L294 olderBase$Statistics]: this new event has 379 ancestors and is cut-off event [2023-11-26 11:53:07,284 INFO L297 olderBase$Statistics]: existing Event has 365 ancestors and is cut-off event [2023-11-26 11:53:07,284 INFO L297 olderBase$Statistics]: existing Event has 361 ancestors and is cut-off event [2023-11-26 11:53:07,284 INFO L297 olderBase$Statistics]: existing Event has 365 ancestors and is cut-off event [2023-11-26 11:53:07,284 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1736] whoop_wrapper_write_nvramEXIT-->L6885-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1394#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem1394#1=|v_ULTIMATE.start_main_#t~mem1394#1_6|, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem1394#1=|v_ULTIMATE.start_main_#t~mem1394#1_6|, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4} AuxVars[] AssignedVars[][414], [Black: 670#true, 690#(= |#race~whoop_loff_t~0| 0), 695#(= |#race~whoop_file_1~0| 0), whoop_wrapper_read_nvramThread1of1ForFork1InUse, 664#(= |#race~_whoop_init~0| 0), 660#(= |#race~whoop_int~0| 0), Black: 683#true, 702#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|)) 0)), 677#(= |#race~whoop_file_0~0| 0), Black: 688#true, 558#L6728true, 685#(= |#race~whoop_buf~0| 0), 128#L6885-7true]) [2023-11-26 11:53:07,284 INFO L294 olderBase$Statistics]: this new event has 378 ancestors and is cut-off event [2023-11-26 11:53:07,284 INFO L297 olderBase$Statistics]: existing Event has 364 ancestors and is cut-off event [2023-11-26 11:53:07,284 INFO L297 olderBase$Statistics]: existing Event has 364 ancestors and is cut-off event [2023-11-26 11:53:07,284 INFO L297 olderBase$Statistics]: existing Event has 360 ancestors and is cut-off event [2023-11-26 11:53:07,344 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1736] whoop_wrapper_write_nvramEXIT-->L6885-7: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1394#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem1394#1=|v_ULTIMATE.start_main_#t~mem1394#1_6|, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, ULTIMATE.start_main_#t~mem1394#1=|v_ULTIMATE.start_main_#t~mem1394#1_6|, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4} AuxVars[] AssignedVars[][414], [Black: 670#true, 690#(= |#race~whoop_loff_t~0| 0), 695#(= |#race~whoop_file_1~0| 0), whoop_wrapper_read_nvramThread1of1ForFork1InUse, 664#(= |#race~_whoop_init~0| 0), 660#(= |#race~whoop_int~0| 0), 702#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_write_nvram~0#1.offset|)) 0)), Black: 683#true, 183#L6722true, 677#(= |#race~whoop_file_0~0| 0), Black: 688#true, 685#(= |#race~whoop_buf~0| 0), 128#L6885-7true]) [2023-11-26 11:53:07,344 INFO L294 olderBase$Statistics]: this new event has 379 ancestors and is cut-off event [2023-11-26 11:53:07,344 INFO L297 olderBase$Statistics]: existing Event has 358 ancestors and is cut-off event [2023-11-26 11:53:07,344 INFO L297 olderBase$Statistics]: existing Event has 372 ancestors and is cut-off event [2023-11-26 11:53:07,344 INFO L297 olderBase$Statistics]: existing Event has 354 ancestors and is cut-off event [2023-11-26 11:53:07,415 INFO L124 PetriNetUnfolderBase]: 616/5203 cut-off events. [2023-11-26 11:53:07,415 INFO L125 PetriNetUnfolderBase]: For 19/70 co-relation queries the response was YES. [2023-11-26 11:53:07,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6177 conditions, 5203 events. 616/5203 cut-off events. For 19/70 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 49016 event pairs, 72 based on Foata normal form. 17/4887 useless extension candidates. Maximal degree in co-relation 5978. Up to 392 conditions per place. [2023-11-26 11:53:07,459 INFO L140 encePairwiseOnDemand]: 587/595 looper letters, 43 selfloop transitions, 13 changer transitions 0/570 dead transitions. [2023-11-26 11:53:07,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 570 transitions, 1294 flow [2023-11-26 11:53:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:53:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:53:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3393 transitions. [2023-11-26 11:53:07,471 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9504201680672268 [2023-11-26 11:53:07,471 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3393 transitions. [2023-11-26 11:53:07,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3393 transitions. [2023-11-26 11:53:07,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:07,473 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3393 transitions. [2023-11-26 11:53:07,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 565.5) internal successors, (3393), 6 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:07,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:07,489 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 595.0) internal successors, (4165), 7 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:07,489 INFO L175 Difference]: Start difference. First operand has 532 places, 533 transitions, 1107 flow. Second operand 6 states and 3393 transitions. [2023-11-26 11:53:07,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 570 transitions, 1294 flow [2023-11-26 11:53:07,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 570 transitions, 1293 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:53:07,505 INFO L231 Difference]: Finished difference. Result has 541 places, 545 transitions, 1196 flow [2023-11-26 11:53:07,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1196, PETRI_PLACES=541, PETRI_TRANSITIONS=545} [2023-11-26 11:53:07,507 INFO L281 CegarLoopForPetriNet]: 572 programPoint places, -31 predicate places. [2023-11-26 11:53:07,507 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 545 transitions, 1196 flow [2023-11-26 11:53:07,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.5) internal successors, (3345), 6 states have internal predecessors, (3345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:07,509 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:07,509 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:07,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-26 11:53:07,510 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 64 more)] === [2023-11-26 11:53:07,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:07,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1611153237, now seen corresponding path program 1 times [2023-11-26 11:53:07,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847788032] [2023-11-26 11:53:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:07,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:10,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:10,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847788032] [2023-11-26 11:53:10,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847788032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:10,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:10,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-26 11:53:10,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266703371] [2023-11-26 11:53:10,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:10,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 11:53:10,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:10,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 11:53:10,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:53:11,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 595 [2023-11-26 11:53:11,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 545 transitions, 1196 flow. Second operand has 12 states, 12 states have (on average 546.5833333333334) internal successors, (6559), 12 states have internal predecessors, (6559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:11,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:11,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 595 [2023-11-26 11:53:11,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand