./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU --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 f7499fb0a602cad5a89452cb4909afca0ed66fab767a3e9759a01bbb1727927b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:02:54,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:02:54,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:02:54,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:02:54,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:02:54,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:02:54,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:02:54,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:02:54,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:02:54,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:02:54,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:02:54,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:02:54,493 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:02:54,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:02:54,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:02:54,496 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:02:54,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:02:54,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:02:54,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:02:54,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:02:54,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:02:54,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:02:54,498 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:02:54,499 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:02:54,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:02:54,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:02:54,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:02:54,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:02:54,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:02:54,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:02:54,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:02:54,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:02:54,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:02:54,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:02:54,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:02:54,502 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:02:54,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:02:54,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:02:54,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:02:54,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:02:54,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:02:54,504 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_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7499fb0a602cad5a89452cb4909afca0ed66fab767a3e9759a01bbb1727927b [2024-10-31 22:02:54,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:02:54,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:02:54,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:02:54,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:02:54,813 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:02:54,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i Unable to find full path for "g++" [2024-10-31 22:02:56,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:02:57,599 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:02:57,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-10-31 22:02:57,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/data/9c113a936/ea818cf4a08b4d3d9f87f85226853cc6/FLAGc7b12d27c [2024-10-31 22:02:57,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/data/9c113a936/ea818cf4a08b4d3d9f87f85226853cc6 [2024-10-31 22:02:57,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:02:57,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:02:57,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:02:57,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:02:57,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:02:57,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:57" (1/1) ... [2024-10-31 22:02:57,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7caccb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:02:57, skipping insertion in model container [2024-10-31 22:02:57,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:02:57" (1/1) ... [2024-10-31 22:02:57,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:03,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:03,995 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:04,281 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] [2024-10-31 22:03:04,283 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] [2024-10-31 22:03:04,283 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] [2024-10-31 22:03:04,284 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] [2024-10-31 22:03:04,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5816] [2024-10-31 22:03:04,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:05,257 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:05,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05 WrapperNode [2024-10-31 22:03:05,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:05,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:05,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:05,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:05,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,547 INFO L138 Inliner]: procedures = 1353, calls = 1463, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 509 [2024-10-31 22:03:05,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:05,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:05,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:05,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:05,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:05,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:05,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:05,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:05,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (1/1) ... [2024-10-31 22:03:05,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:03:05,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:05,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:05,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fbe1e16-13fe-414e-9f32-e308078a5819/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:03:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:03:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-10-31 22:03:05,739 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-10-31 22:03:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:03:05,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:03:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-10-31 22:03:05,740 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-10-31 22:03:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:03:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:03:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-10-31 22:03:05,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:03:05,743 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:03:06,226 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:06,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:07,067 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:03:07,067 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:07,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:07,205 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:03:07,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:07 BoogieIcfgContainer [2024-10-31 22:03:07,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:07,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:03:07,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:03:07,215 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:03:07,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:02:57" (1/3) ... [2024-10-31 22:03:07,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbc0ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:07, skipping insertion in model container [2024-10-31 22:03:07,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:05" (2/3) ... [2024-10-31 22:03:07,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bbc0ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:03:07, skipping insertion in model container [2024-10-31 22:03:07,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:07" (3/3) ... [2024-10-31 22:03:07,220 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-10-31 22:03:07,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:03:07,240 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2024-10-31 22:03:07,241 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:03:07,409 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:03:07,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 564 places, 570 transitions, 1154 flow [2024-10-31 22:03:07,786 INFO L124 PetriNetUnfolderBase]: 13/568 cut-off events. [2024-10-31 22:03:07,788 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:03:07,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 568 events. 13/568 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 585 event pairs, 0 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 499. Up to 4 conditions per place. [2024-10-31 22:03:07,800 INFO L82 GeneralOperation]: Start removeDead. Operand has 564 places, 570 transitions, 1154 flow [2024-10-31 22:03:07,812 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 558 places, 564 transitions, 1137 flow [2024-10-31 22:03:07,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:03:07,833 INFO L333 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, 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;@6b0b1189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:03:07,835 INFO L334 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2024-10-31 22:03:07,855 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:03:07,856 INFO L124 PetriNetUnfolderBase]: 0/86 cut-off events. [2024-10-31 22:03:07,856 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:03:07,856 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:07,857 INFO L204 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] [2024-10-31 22:03:07,858 INFO L396 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 54 more)] === [2024-10-31 22:03:07,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:07,864 INFO L85 PathProgramCache]: Analyzing trace with hash 884972643, now seen corresponding path program 1 times [2024-10-31 22:03:07,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:07,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202836642] [2024-10-31 22:03:07,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:07,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:08,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:08,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202836642] [2024-10-31 22:03:08,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202836642] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:08,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:08,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:08,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269419441] [2024-10-31 22:03:08,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:08,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:08,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:08,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:08,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:08,565 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:08,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 564 transitions, 1137 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:08,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:08,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:08,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:08,850 INFO L124 PetriNetUnfolderBase]: 13/596 cut-off events. [2024-10-31 22:03:08,850 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2024-10-31 22:03:08,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 621 conditions, 596 events. 13/596 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 817 event pairs, 2 based on Foata normal form. 4/551 useless extension candidates. Maximal degree in co-relation 498. Up to 13 conditions per place. [2024-10-31 22:03:08,861 INFO L140 encePairwiseOnDemand]: 560/570 looper letters, 8 selfloop transitions, 2 changer transitions 1/554 dead transitions. [2024-10-31 22:03:08,862 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 554 places, 554 transitions, 1137 flow [2024-10-31 22:03:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:08,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1665 transitions. [2024-10-31 22:03:08,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9736842105263158 [2024-10-31 22:03:08,896 INFO L175 Difference]: Start difference. First operand has 558 places, 564 transitions, 1137 flow. Second operand 3 states and 1665 transitions. [2024-10-31 22:03:08,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 554 places, 554 transitions, 1137 flow [2024-10-31 22:03:08,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 554 transitions, 1132 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:03:08,918 INFO L231 Difference]: Finished difference. Result has 551 places, 553 transitions, 1114 flow [2024-10-31 22:03:08,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=549, 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=1114, PETRI_PLACES=551, PETRI_TRANSITIONS=553} [2024-10-31 22:03:08,964 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -7 predicate places. [2024-10-31 22:03:08,970 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 553 transitions, 1114 flow [2024-10-31 22:03:08,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:08,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:08,977 INFO L204 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] [2024-10-31 22:03:08,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:03:08,978 INFO L396 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 54 more)] === [2024-10-31 22:03:08,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:08,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1890320463, now seen corresponding path program 1 times [2024-10-31 22:03:08,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:08,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438780103] [2024-10-31 22:03:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:08,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:09,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:09,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438780103] [2024-10-31 22:03:09,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438780103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:09,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:09,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:09,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154212428] [2024-10-31 22:03:09,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:09,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:09,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:09,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:09,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:09,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 553 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:09,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:09,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:09,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:09,318 INFO L124 PetriNetUnfolderBase]: 13/594 cut-off events. [2024-10-31 22:03:09,318 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:09,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 594 events. 13/594 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 815 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 521. Up to 13 conditions per place. [2024-10-31 22:03:09,324 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/552 dead transitions. [2024-10-31 22:03:09,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 552 transitions, 1132 flow [2024-10-31 22:03:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:09,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:09,332 INFO L175 Difference]: Start difference. First operand has 551 places, 553 transitions, 1114 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:09,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 552 transitions, 1132 flow [2024-10-31 22:03:09,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 549 places, 552 transitions, 1128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:09,342 INFO L231 Difference]: Finished difference. Result has 549 places, 552 transitions, 1112 flow [2024-10-31 22:03:09,343 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=547, 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=549, PETRI_TRANSITIONS=552} [2024-10-31 22:03:09,344 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -9 predicate places. [2024-10-31 22:03:09,344 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 552 transitions, 1112 flow [2024-10-31 22:03:09,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:09,347 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:09,347 INFO L204 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] [2024-10-31 22:03:09,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:03:09,348 INFO L396 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 54 more)] === [2024-10-31 22:03:09,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:09,350 INFO L85 PathProgramCache]: Analyzing trace with hash 841505124, now seen corresponding path program 1 times [2024-10-31 22:03:09,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:09,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230388809] [2024-10-31 22:03:09,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:09,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:09,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:09,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230388809] [2024-10-31 22:03:09,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230388809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:09,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:09,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:09,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705775840] [2024-10-31 22:03:09,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:09,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:09,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:09,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:09,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:09,525 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:09,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 552 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:09,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:09,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:09,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:09,679 INFO L124 PetriNetUnfolderBase]: 13/593 cut-off events. [2024-10-31 22:03:09,679 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:09,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 593 events. 13/593 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 814 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 513. Up to 13 conditions per place. [2024-10-31 22:03:09,685 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/551 dead transitions. [2024-10-31 22:03:09,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 551 transitions, 1130 flow [2024-10-31 22:03:09,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:09,691 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:09,691 INFO L175 Difference]: Start difference. First operand has 549 places, 552 transitions, 1112 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:09,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 551 transitions, 1130 flow [2024-10-31 22:03:09,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 551 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:09,701 INFO L231 Difference]: Finished difference. Result has 548 places, 551 transitions, 1110 flow [2024-10-31 22:03:09,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=546, 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=548, PETRI_TRANSITIONS=551} [2024-10-31 22:03:09,704 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -10 predicate places. [2024-10-31 22:03:09,704 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 551 transitions, 1110 flow [2024-10-31 22:03:09,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:09,705 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:09,706 INFO L204 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] [2024-10-31 22:03:09,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:03:09,706 INFO L396 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 54 more)] === [2024-10-31 22:03:09,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:09,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2064651459, now seen corresponding path program 1 times [2024-10-31 22:03:09,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737217063] [2024-10-31 22:03:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:09,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:09,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737217063] [2024-10-31 22:03:09,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737217063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:09,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:09,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832039526] [2024-10-31 22:03:09,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:09,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:09,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:09,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:09,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:09,899 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 570 [2024-10-31 22:03:09,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 551 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:09,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:09,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 570 [2024-10-31 22:03:09,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:10,198 INFO L124 PetriNetUnfolderBase]: 29/1049 cut-off events. [2024-10-31 22:03:10,199 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:03:10,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 1049 events. 29/1049 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2993 event pairs, 5 based on Foata normal form. 0/956 useless extension candidates. Maximal degree in co-relation 971. Up to 20 conditions per place. [2024-10-31 22:03:10,207 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 9 selfloop transitions, 2 changer transitions 0/550 dead transitions. [2024-10-31 22:03:10,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 549 places, 550 transitions, 1130 flow [2024-10-31 22:03:10,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1656 transitions. [2024-10-31 22:03:10,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.968421052631579 [2024-10-31 22:03:10,212 INFO L175 Difference]: Start difference. First operand has 548 places, 551 transitions, 1110 flow. Second operand 3 states and 1656 transitions. [2024-10-31 22:03:10,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 549 places, 550 transitions, 1130 flow [2024-10-31 22:03:10,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 550 transitions, 1126 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:10,225 INFO L231 Difference]: Finished difference. Result has 547 places, 550 transitions, 1108 flow [2024-10-31 22:03:10,227 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1104, PETRI_DIFFERENCE_MINUEND_PLACES=545, 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=547, PETRI_TRANSITIONS=550} [2024-10-31 22:03:10,228 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -11 predicate places. [2024-10-31 22:03:10,229 INFO L471 AbstractCegarLoop]: Abstraction has has 547 places, 550 transitions, 1108 flow [2024-10-31 22:03:10,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:10,230 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:10,231 INFO L204 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] [2024-10-31 22:03:10,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:03:10,231 INFO L396 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 54 more)] === [2024-10-31 22:03:10,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:10,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2018344781, now seen corresponding path program 1 times [2024-10-31 22:03:10,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:10,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344676235] [2024-10-31 22:03:10,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:10,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:10,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:10,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344676235] [2024-10-31 22:03:10,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344676235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:10,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:10,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:10,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143634213] [2024-10-31 22:03:10,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:10,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:10,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:10,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:10,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:10,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:10,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 550 transitions, 1108 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:10,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:10,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:10,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:10,523 INFO L124 PetriNetUnfolderBase]: 13/591 cut-off events. [2024-10-31 22:03:10,523 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:10,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 591 events. 13/591 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 808 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 497. Up to 13 conditions per place. [2024-10-31 22:03:10,528 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/549 dead transitions. [2024-10-31 22:03:10,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 549 transitions, 1126 flow [2024-10-31 22:03:10,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:10,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:10,533 INFO L175 Difference]: Start difference. First operand has 547 places, 550 transitions, 1108 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:10,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 548 places, 549 transitions, 1126 flow [2024-10-31 22:03:10,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 549 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:10,544 INFO L231 Difference]: Finished difference. Result has 546 places, 549 transitions, 1106 flow [2024-10-31 22:03:10,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=544, 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=546, PETRI_TRANSITIONS=549} [2024-10-31 22:03:10,545 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -12 predicate places. [2024-10-31 22:03:10,546 INFO L471 AbstractCegarLoop]: Abstraction has has 546 places, 549 transitions, 1106 flow [2024-10-31 22:03:10,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:10,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:10,548 INFO L204 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] [2024-10-31 22:03:10,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:03:10,548 INFO L396 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 54 more)] === [2024-10-31 22:03:10,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:10,549 INFO L85 PathProgramCache]: Analyzing trace with hash 127501565, now seen corresponding path program 1 times [2024-10-31 22:03:10,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:10,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411701592] [2024-10-31 22:03:10,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:10,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:10,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:10,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411701592] [2024-10-31 22:03:10,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411701592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:10,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:10,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:10,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428980339] [2024-10-31 22:03:10,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:10,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:10,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:10,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:10,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:10,716 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 570 [2024-10-31 22:03:10,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 546 places, 549 transitions, 1106 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:10,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:10,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 570 [2024-10-31 22:03:10,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:10,847 INFO L124 PetriNetUnfolderBase]: 14/610 cut-off events. [2024-10-31 22:03:10,848 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2024-10-31 22:03:10,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 610 events. 14/610 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 905 event pairs, 3 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 512. Up to 16 conditions per place. [2024-10-31 22:03:10,853 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 9 selfloop transitions, 2 changer transitions 0/548 dead transitions. [2024-10-31 22:03:10,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 548 transitions, 1126 flow [2024-10-31 22:03:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:10,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1656 transitions. [2024-10-31 22:03:10,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.968421052631579 [2024-10-31 22:03:10,858 INFO L175 Difference]: Start difference. First operand has 546 places, 549 transitions, 1106 flow. Second operand 3 states and 1656 transitions. [2024-10-31 22:03:10,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 548 transitions, 1126 flow [2024-10-31 22:03:10,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 548 transitions, 1122 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:10,869 INFO L231 Difference]: Finished difference. Result has 545 places, 548 transitions, 1104 flow [2024-10-31 22:03:10,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1100, PETRI_DIFFERENCE_MINUEND_PLACES=543, 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=545, PETRI_TRANSITIONS=548} [2024-10-31 22:03:10,873 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -13 predicate places. [2024-10-31 22:03:10,875 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 548 transitions, 1104 flow [2024-10-31 22:03:10,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:10,876 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:10,876 INFO L204 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] [2024-10-31 22:03:10,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:03:10,877 INFO L396 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 54 more)] === [2024-10-31 22:03:10,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:10,878 INFO L85 PathProgramCache]: Analyzing trace with hash 364390732, now seen corresponding path program 1 times [2024-10-31 22:03:10,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:10,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924707834] [2024-10-31 22:03:10,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:10,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:11,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:11,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924707834] [2024-10-31 22:03:11,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924707834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:11,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:11,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:11,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664473647] [2024-10-31 22:03:11,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:11,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:11,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:11,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:11,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:11,024 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:11,027 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 548 transitions, 1104 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:11,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:11,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:11,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:11,142 INFO L124 PetriNetUnfolderBase]: 13/589 cut-off events. [2024-10-31 22:03:11,142 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:11,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 589 events. 13/589 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 812 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 481. Up to 13 conditions per place. [2024-10-31 22:03:11,147 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/547 dead transitions. [2024-10-31 22:03:11,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 547 transitions, 1122 flow [2024-10-31 22:03:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:11,152 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:11,152 INFO L175 Difference]: Start difference. First operand has 545 places, 548 transitions, 1104 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:11,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 547 transitions, 1122 flow [2024-10-31 22:03:11,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 547 transitions, 1118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:11,162 INFO L231 Difference]: Finished difference. Result has 544 places, 547 transitions, 1102 flow [2024-10-31 22:03:11,164 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=542, 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=544, PETRI_TRANSITIONS=547} [2024-10-31 22:03:11,164 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -14 predicate places. [2024-10-31 22:03:11,165 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 547 transitions, 1102 flow [2024-10-31 22:03:11,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:11,166 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:11,167 INFO L204 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] [2024-10-31 22:03:11,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:03:11,167 INFO L396 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 54 more)] === [2024-10-31 22:03:11,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:11,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1198180089, now seen corresponding path program 1 times [2024-10-31 22:03:11,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:11,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062838109] [2024-10-31 22:03:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:11,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:11,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:11,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062838109] [2024-10-31 22:03:11,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062838109] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:11,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:11,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:11,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972901789] [2024-10-31 22:03:11,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:11,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:11,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:11,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:11,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:11,318 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:11,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 547 transitions, 1102 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:11,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:11,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:11,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:11,434 INFO L124 PetriNetUnfolderBase]: 13/588 cut-off events. [2024-10-31 22:03:11,434 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:11,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 588 events. 13/588 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 815 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 473. Up to 13 conditions per place. [2024-10-31 22:03:11,439 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/546 dead transitions. [2024-10-31 22:03:11,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 546 transitions, 1120 flow [2024-10-31 22:03:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:11,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:11,443 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:11,444 INFO L175 Difference]: Start difference. First operand has 544 places, 547 transitions, 1102 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:11,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 546 transitions, 1120 flow [2024-10-31 22:03:11,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 546 transitions, 1116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:11,453 INFO L231 Difference]: Finished difference. Result has 543 places, 546 transitions, 1100 flow [2024-10-31 22:03:11,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1100, PETRI_PLACES=543, PETRI_TRANSITIONS=546} [2024-10-31 22:03:11,455 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -15 predicate places. [2024-10-31 22:03:11,455 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 546 transitions, 1100 flow [2024-10-31 22:03:11,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:11,460 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:11,460 INFO L204 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] [2024-10-31 22:03:11,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:03:11,461 INFO L396 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 54 more)] === [2024-10-31 22:03:11,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:11,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1992937932, now seen corresponding path program 1 times [2024-10-31 22:03:11,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:11,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939867744] [2024-10-31 22:03:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:11,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:11,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:11,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939867744] [2024-10-31 22:03:11,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939867744] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:11,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:11,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:11,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190235658] [2024-10-31 22:03:11,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:11,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:11,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:11,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:11,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:11,613 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:11,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 546 transitions, 1100 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:11,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:11,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:11,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:11,733 INFO L124 PetriNetUnfolderBase]: 13/587 cut-off events. [2024-10-31 22:03:11,733 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:11,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 587 events. 13/587 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 814 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 465. Up to 13 conditions per place. [2024-10-31 22:03:11,738 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/545 dead transitions. [2024-10-31 22:03:11,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 545 transitions, 1118 flow [2024-10-31 22:03:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:11,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:11,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:11,743 INFO L175 Difference]: Start difference. First operand has 543 places, 546 transitions, 1100 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:11,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 545 transitions, 1118 flow [2024-10-31 22:03:11,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 545 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:11,753 INFO L231 Difference]: Finished difference. Result has 542 places, 545 transitions, 1098 flow [2024-10-31 22:03:11,754 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=540, 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=542, PETRI_TRANSITIONS=545} [2024-10-31 22:03:11,755 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -16 predicate places. [2024-10-31 22:03:11,755 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 545 transitions, 1098 flow [2024-10-31 22:03:11,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:11,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:11,757 INFO L204 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] [2024-10-31 22:03:11,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:03:11,758 INFO L396 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 54 more)] === [2024-10-31 22:03:11,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1028230322, now seen corresponding path program 1 times [2024-10-31 22:03:11,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:11,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001267840] [2024-10-31 22:03:11,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:11,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:11,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:11,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001267840] [2024-10-31 22:03:11,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001267840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:11,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:11,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:11,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007474458] [2024-10-31 22:03:11,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:11,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:11,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:11,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:11,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:11,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:11,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 545 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:11,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:11,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:11,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:12,026 INFO L124 PetriNetUnfolderBase]: 13/586 cut-off events. [2024-10-31 22:03:12,026 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:12,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 608 conditions, 586 events. 13/586 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 812 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 457. Up to 13 conditions per place. [2024-10-31 22:03:12,031 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/544 dead transitions. [2024-10-31 22:03:12,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 544 transitions, 1116 flow [2024-10-31 22:03:12,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:12,035 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:12,036 INFO L175 Difference]: Start difference. First operand has 542 places, 545 transitions, 1098 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:12,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 544 transitions, 1116 flow [2024-10-31 22:03:12,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 544 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:12,045 INFO L231 Difference]: Finished difference. Result has 541 places, 544 transitions, 1096 flow [2024-10-31 22:03:12,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1096, PETRI_PLACES=541, PETRI_TRANSITIONS=544} [2024-10-31 22:03:12,047 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -17 predicate places. [2024-10-31 22:03:12,048 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 544 transitions, 1096 flow [2024-10-31 22:03:12,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:12,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:12,049 INFO L204 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] [2024-10-31 22:03:12,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:03:12,050 INFO L396 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 54 more)] === [2024-10-31 22:03:12,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:12,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1721598193, now seen corresponding path program 1 times [2024-10-31 22:03:12,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:12,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825336545] [2024-10-31 22:03:12,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:12,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:12,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:12,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825336545] [2024-10-31 22:03:12,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825336545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:12,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:12,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:12,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158288752] [2024-10-31 22:03:12,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:12,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:12,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:12,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:12,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 544 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:12,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:12,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:12,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:12,282 INFO L124 PetriNetUnfolderBase]: 13/585 cut-off events. [2024-10-31 22:03:12,283 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:12,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 585 events. 13/585 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 809 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 449. Up to 13 conditions per place. [2024-10-31 22:03:12,288 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/543 dead transitions. [2024-10-31 22:03:12,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 543 transitions, 1114 flow [2024-10-31 22:03:12,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:12,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:12,292 INFO L175 Difference]: Start difference. First operand has 541 places, 544 transitions, 1096 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:12,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 543 transitions, 1114 flow [2024-10-31 22:03:12,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 543 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:12,302 INFO L231 Difference]: Finished difference. Result has 540 places, 543 transitions, 1094 flow [2024-10-31 22:03:12,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=543, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=541, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=540, PETRI_TRANSITIONS=543} [2024-10-31 22:03:12,303 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -18 predicate places. [2024-10-31 22:03:12,303 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 543 transitions, 1094 flow [2024-10-31 22:03:12,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:12,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:12,305 INFO L204 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] [2024-10-31 22:03:12,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:03:12,305 INFO L396 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 54 more)] === [2024-10-31 22:03:12,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:12,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1708057862, now seen corresponding path program 1 times [2024-10-31 22:03:12,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:12,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564760737] [2024-10-31 22:03:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:12,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:12,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:12,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564760737] [2024-10-31 22:03:12,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564760737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:12,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:12,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:12,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943931362] [2024-10-31 22:03:12,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:12,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:12,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:12,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:12,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:12,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 570 [2024-10-31 22:03:12,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 543 transitions, 1094 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:12,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:12,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 570 [2024-10-31 22:03:12,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:12,691 INFO L124 PetriNetUnfolderBase]: 29/1032 cut-off events. [2024-10-31 22:03:12,691 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:03:12,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1063 conditions, 1032 events. 29/1032 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2963 event pairs, 5 based on Foata normal form. 0/950 useless extension candidates. Maximal degree in co-relation 898. Up to 20 conditions per place. [2024-10-31 22:03:12,699 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 9 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2024-10-31 22:03:12,699 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 542 transitions, 1114 flow [2024-10-31 22:03:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1656 transitions. [2024-10-31 22:03:12,704 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.968421052631579 [2024-10-31 22:03:12,705 INFO L175 Difference]: Start difference. First operand has 540 places, 543 transitions, 1094 flow. Second operand 3 states and 1656 transitions. [2024-10-31 22:03:12,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 542 transitions, 1114 flow [2024-10-31 22:03:12,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 542 transitions, 1110 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:12,717 INFO L231 Difference]: Finished difference. Result has 539 places, 542 transitions, 1092 flow [2024-10-31 22:03:12,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1092, PETRI_PLACES=539, PETRI_TRANSITIONS=542} [2024-10-31 22:03:12,719 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -19 predicate places. [2024-10-31 22:03:12,719 INFO L471 AbstractCegarLoop]: Abstraction has has 539 places, 542 transitions, 1092 flow [2024-10-31 22:03:12,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:12,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:12,721 INFO L204 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] [2024-10-31 22:03:12,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:03:12,722 INFO L396 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 54 more)] === [2024-10-31 22:03:12,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:12,722 INFO L85 PathProgramCache]: Analyzing trace with hash -944987891, now seen corresponding path program 1 times [2024-10-31 22:03:12,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:12,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926102988] [2024-10-31 22:03:12,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:12,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:12,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:12,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926102988] [2024-10-31 22:03:12,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926102988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:12,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:12,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:12,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624962596] [2024-10-31 22:03:12,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:12,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:12,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:12,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:12,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:12,852 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:12,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 542 transitions, 1092 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:12,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:12,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:12,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:12,960 INFO L124 PetriNetUnfolderBase]: 13/583 cut-off events. [2024-10-31 22:03:12,960 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:12,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 583 events. 13/583 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 806 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 433. Up to 13 conditions per place. [2024-10-31 22:03:12,965 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2024-10-31 22:03:12,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 540 places, 541 transitions, 1110 flow [2024-10-31 22:03:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:12,970 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:12,970 INFO L175 Difference]: Start difference. First operand has 539 places, 542 transitions, 1092 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:12,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 540 places, 541 transitions, 1110 flow [2024-10-31 22:03:12,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 541 transitions, 1106 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:12,980 INFO L231 Difference]: Finished difference. Result has 538 places, 541 transitions, 1090 flow [2024-10-31 22:03:12,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=536, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=538, PETRI_TRANSITIONS=541} [2024-10-31 22:03:12,981 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -20 predicate places. [2024-10-31 22:03:12,982 INFO L471 AbstractCegarLoop]: Abstraction has has 538 places, 541 transitions, 1090 flow [2024-10-31 22:03:12,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:12,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:12,983 INFO L204 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] [2024-10-31 22:03:12,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:03:12,984 INFO L396 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 54 more)] === [2024-10-31 22:03:12,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:12,984 INFO L85 PathProgramCache]: Analyzing trace with hash -942030893, now seen corresponding path program 1 times [2024-10-31 22:03:12,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:12,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125267285] [2024-10-31 22:03:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:13,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:13,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:13,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125267285] [2024-10-31 22:03:13,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125267285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:13,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:13,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:13,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082490332] [2024-10-31 22:03:13,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:13,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:13,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:13,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:13,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:13,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:13,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 538 places, 541 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:13,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:13,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:13,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:13,240 INFO L124 PetriNetUnfolderBase]: 13/582 cut-off events. [2024-10-31 22:03:13,241 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:13,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 582 events. 13/582 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 806 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 425. Up to 13 conditions per place. [2024-10-31 22:03:13,244 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2024-10-31 22:03:13,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 540 transitions, 1108 flow [2024-10-31 22:03:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:13,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:13,249 INFO L175 Difference]: Start difference. First operand has 538 places, 541 transitions, 1090 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:13,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 540 transitions, 1108 flow [2024-10-31 22:03:13,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 540 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:13,257 INFO L231 Difference]: Finished difference. Result has 537 places, 540 transitions, 1088 flow [2024-10-31 22:03:13,258 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1088, PETRI_PLACES=537, PETRI_TRANSITIONS=540} [2024-10-31 22:03:13,259 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -21 predicate places. [2024-10-31 22:03:13,259 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 540 transitions, 1088 flow [2024-10-31 22:03:13,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:13,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:13,261 INFO L204 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] [2024-10-31 22:03:13,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:03:13,261 INFO L396 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 54 more)] === [2024-10-31 22:03:13,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:13,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1639922209, now seen corresponding path program 1 times [2024-10-31 22:03:13,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:13,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144065645] [2024-10-31 22:03:13,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:13,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:13,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144065645] [2024-10-31 22:03:13,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144065645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:13,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:13,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:13,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377539411] [2024-10-31 22:03:13,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:13,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:13,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:13,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:13,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:13,391 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:13,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 540 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:13,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:13,394 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:13,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:13,501 INFO L124 PetriNetUnfolderBase]: 13/581 cut-off events. [2024-10-31 22:03:13,501 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:13,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 581 events. 13/581 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 805 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 417. Up to 13 conditions per place. [2024-10-31 22:03:13,506 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/539 dead transitions. [2024-10-31 22:03:13,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 539 transitions, 1106 flow [2024-10-31 22:03:13,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:13,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:13,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:13,511 INFO L175 Difference]: Start difference. First operand has 537 places, 540 transitions, 1088 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:13,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 539 transitions, 1106 flow [2024-10-31 22:03:13,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 539 transitions, 1102 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:13,520 INFO L231 Difference]: Finished difference. Result has 536 places, 539 transitions, 1086 flow [2024-10-31 22:03:13,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=534, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1086, PETRI_PLACES=536, PETRI_TRANSITIONS=539} [2024-10-31 22:03:13,522 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -22 predicate places. [2024-10-31 22:03:13,522 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 539 transitions, 1086 flow [2024-10-31 22:03:13,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:13,524 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:13,524 INFO L204 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] [2024-10-31 22:03:13,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:03:13,524 INFO L396 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 54 more)] === [2024-10-31 22:03:13,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:13,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1541627123, now seen corresponding path program 1 times [2024-10-31 22:03:13,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:13,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012475478] [2024-10-31 22:03:13,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:13,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:13,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:13,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012475478] [2024-10-31 22:03:13,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012475478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:13,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:13,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:13,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767570975] [2024-10-31 22:03:13,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:13,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:13,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:13,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:13,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:13,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 570 [2024-10-31 22:03:13,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 539 transitions, 1086 flow. Second operand has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:13,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:13,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 570 [2024-10-31 22:03:13,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:13,773 INFO L124 PetriNetUnfolderBase]: 13/580 cut-off events. [2024-10-31 22:03:13,774 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:13,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 580 events. 13/580 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 805 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 409. Up to 13 conditions per place. [2024-10-31 22:03:13,779 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 8 selfloop transitions, 2 changer transitions 0/538 dead transitions. [2024-10-31 22:03:13,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 538 transitions, 1104 flow [2024-10-31 22:03:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1658 transitions. [2024-10-31 22:03:13,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9695906432748538 [2024-10-31 22:03:13,783 INFO L175 Difference]: Start difference. First operand has 536 places, 539 transitions, 1086 flow. Second operand 3 states and 1658 transitions. [2024-10-31 22:03:13,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 538 transitions, 1104 flow [2024-10-31 22:03:13,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 535 places, 538 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:13,793 INFO L231 Difference]: Finished difference. Result has 535 places, 538 transitions, 1084 flow [2024-10-31 22:03:13,794 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=538, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=535, PETRI_TRANSITIONS=538} [2024-10-31 22:03:13,794 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -23 predicate places. [2024-10-31 22:03:13,794 INFO L471 AbstractCegarLoop]: Abstraction has has 535 places, 538 transitions, 1084 flow [2024-10-31 22:03:13,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.3333333333334) internal successors, (1651), 3 states have internal predecessors, (1651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:13,796 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:13,796 INFO L204 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] [2024-10-31 22:03:13,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:03:13,797 INFO L396 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 54 more)] === [2024-10-31 22:03:13,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:13,797 INFO L85 PathProgramCache]: Analyzing trace with hash 642972247, now seen corresponding path program 1 times [2024-10-31 22:03:13,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:13,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458611263] [2024-10-31 22:03:13,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:13,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:13,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:13,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458611263] [2024-10-31 22:03:13,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458611263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:13,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:13,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:13,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218716612] [2024-10-31 22:03:13,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:13,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:13,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:13,942 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 548 out of 570 [2024-10-31 22:03:13,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 538 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:13,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:13,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 548 of 570 [2024-10-31 22:03:13,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:14,066 INFO L124 PetriNetUnfolderBase]: 18/645 cut-off events. [2024-10-31 22:03:14,067 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:14,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 645 events. 18/645 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1135 event pairs, 5 based on Foata normal form. 0/607 useless extension candidates. Maximal degree in co-relation 476. Up to 20 conditions per place. [2024-10-31 22:03:14,072 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 9 selfloop transitions, 2 changer transitions 0/537 dead transitions. [2024-10-31 22:03:14,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 537 transitions, 1104 flow [2024-10-31 22:03:14,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1656 transitions. [2024-10-31 22:03:14,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.968421052631579 [2024-10-31 22:03:14,076 INFO L175 Difference]: Start difference. First operand has 535 places, 538 transitions, 1084 flow. Second operand 3 states and 1656 transitions. [2024-10-31 22:03:14,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 537 transitions, 1104 flow [2024-10-31 22:03:14,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 537 transitions, 1100 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:14,085 INFO L231 Difference]: Finished difference. Result has 534 places, 537 transitions, 1082 flow [2024-10-31 22:03:14,086 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=535, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1082, PETRI_PLACES=534, PETRI_TRANSITIONS=537} [2024-10-31 22:03:14,087 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -24 predicate places. [2024-10-31 22:03:14,087 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 537 transitions, 1082 flow [2024-10-31 22:03:14,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 549.3333333333334) internal successors, (1648), 3 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:14,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:14,089 INFO L204 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] [2024-10-31 22:03:14,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:03:14,089 INFO L396 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 54 more)] === [2024-10-31 22:03:14,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:14,089 INFO L85 PathProgramCache]: Analyzing trace with hash 105986900, now seen corresponding path program 1 times [2024-10-31 22:03:14,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:14,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660750290] [2024-10-31 22:03:14,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:14,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:14,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:14,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660750290] [2024-10-31 22:03:14,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660750290] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:14,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:14,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:14,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110135554] [2024-10-31 22:03:14,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:14,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:14,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:14,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:14,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:14,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 570 [2024-10-31 22:03:14,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 537 transitions, 1082 flow. Second operand has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:14,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:14,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 570 [2024-10-31 22:03:14,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:14,378 INFO L124 PetriNetUnfolderBase]: 22/664 cut-off events. [2024-10-31 22:03:14,378 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:03:14,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 664 events. 22/664 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1296 event pairs, 9 based on Foata normal form. 0/624 useless extension candidates. Maximal degree in co-relation 499. Up to 31 conditions per place. [2024-10-31 22:03:14,383 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 12 selfloop transitions, 2 changer transitions 0/536 dead transitions. [2024-10-31 22:03:14,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 536 transitions, 1108 flow [2024-10-31 22:03:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1650 transitions. [2024-10-31 22:03:14,387 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9649122807017544 [2024-10-31 22:03:14,388 INFO L175 Difference]: Start difference. First operand has 534 places, 537 transitions, 1082 flow. Second operand 3 states and 1650 transitions. [2024-10-31 22:03:14,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 536 transitions, 1108 flow [2024-10-31 22:03:14,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 536 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:14,397 INFO L231 Difference]: Finished difference. Result has 533 places, 536 transitions, 1080 flow [2024-10-31 22:03:14,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=534, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1080, PETRI_PLACES=533, PETRI_TRANSITIONS=536} [2024-10-31 22:03:14,398 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -25 predicate places. [2024-10-31 22:03:14,398 INFO L471 AbstractCegarLoop]: Abstraction has has 533 places, 536 transitions, 1080 flow [2024-10-31 22:03:14,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:14,400 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:14,400 INFO L204 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] [2024-10-31 22:03:14,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:03:14,400 INFO L396 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 54 more)] === [2024-10-31 22:03:14,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:14,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1143932847, now seen corresponding path program 1 times [2024-10-31 22:03:14,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:14,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061255791] [2024-10-31 22:03:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:14,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:14,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:14,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061255791] [2024-10-31 22:03:14,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061255791] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:14,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:14,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:14,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774712265] [2024-10-31 22:03:14,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:14,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:14,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:14,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:14,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:14,543 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 570 [2024-10-31 22:03:14,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 536 transitions, 1080 flow. Second operand has 3 states, 3 states have (on average 544.0) internal successors, (1632), 3 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:14,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:14,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 570 [2024-10-31 22:03:14,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:14,734 INFO L124 PetriNetUnfolderBase]: 45/1032 cut-off events. [2024-10-31 22:03:14,734 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-31 22:03:14,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 1032 events. 45/1032 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3613 event pairs, 20 based on Foata normal form. 0/970 useless extension candidates. Maximal degree in co-relation 883. Up to 53 conditions per place. [2024-10-31 22:03:14,742 INFO L140 encePairwiseOnDemand]: 565/570 looper letters, 13 selfloop transitions, 1 changer transitions 0/532 dead transitions. [2024-10-31 22:03:14,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 532 transitions, 1100 flow [2024-10-31 22:03:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1647 transitions. [2024-10-31 22:03:14,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9631578947368421 [2024-10-31 22:03:14,746 INFO L175 Difference]: Start difference. First operand has 533 places, 536 transitions, 1080 flow. Second operand 3 states and 1647 transitions. [2024-10-31 22:03:14,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 531 places, 532 transitions, 1100 flow [2024-10-31 22:03:14,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 532 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:14,754 INFO L231 Difference]: Finished difference. Result has 529 places, 532 transitions, 1070 flow [2024-10-31 22:03:14,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=531, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1070, PETRI_PLACES=529, PETRI_TRANSITIONS=532} [2024-10-31 22:03:14,756 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -29 predicate places. [2024-10-31 22:03:14,756 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 532 transitions, 1070 flow [2024-10-31 22:03:14,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 544.0) internal successors, (1632), 3 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:14,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:14,758 INFO L204 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] [2024-10-31 22:03:14,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:03:14,761 INFO L396 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 54 more)] === [2024-10-31 22:03:14,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1435334578, now seen corresponding path program 1 times [2024-10-31 22:03:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:14,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716982776] [2024-10-31 22:03:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:14,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:14,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:14,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:14,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716982776] [2024-10-31 22:03:14,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716982776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:14,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:14,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:14,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820650615] [2024-10-31 22:03:14,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:14,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:14,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:14,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:14,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:14,942 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 553 out of 570 [2024-10-31 22:03:14,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 532 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:14,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:14,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 553 of 570 [2024-10-31 22:03:14,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:15,047 INFO L124 PetriNetUnfolderBase]: 13/573 cut-off events. [2024-10-31 22:03:15,048 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:15,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 573 events. 13/573 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 791 event pairs, 2 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 377. Up to 11 conditions per place. [2024-10-31 22:03:15,052 INFO L140 encePairwiseOnDemand]: 568/570 looper letters, 6 selfloop transitions, 1 changer transitions 0/531 dead transitions. [2024-10-31 22:03:15,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 531 transitions, 1082 flow [2024-10-31 22:03:15,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:15,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1667 transitions. [2024-10-31 22:03:15,056 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9748538011695906 [2024-10-31 22:03:15,056 INFO L175 Difference]: Start difference. First operand has 529 places, 532 transitions, 1070 flow. Second operand 3 states and 1667 transitions. [2024-10-31 22:03:15,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 531 transitions, 1082 flow [2024-10-31 22:03:15,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 531 transitions, 1081 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:15,066 INFO L231 Difference]: Finished difference. Result has 529 places, 531 transitions, 1069 flow [2024-10-31 22:03:15,066 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1069, PETRI_PLACES=529, PETRI_TRANSITIONS=531} [2024-10-31 22:03:15,067 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -29 predicate places. [2024-10-31 22:03:15,067 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 531 transitions, 1069 flow [2024-10-31 22:03:15,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:15,068 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:15,068 INFO L204 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] [2024-10-31 22:03:15,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:03:15,069 INFO L396 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 54 more)] === [2024-10-31 22:03:15,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:15,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1390509320, now seen corresponding path program 1 times [2024-10-31 22:03:15,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:15,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934407650] [2024-10-31 22:03:15,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:15,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:15,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:15,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934407650] [2024-10-31 22:03:15,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934407650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:15,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:15,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:15,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758796870] [2024-10-31 22:03:15,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:15,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:15,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:15,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:15,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:15,246 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 570 [2024-10-31 22:03:15,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 531 transitions, 1069 flow. Second operand has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:15,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:15,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 570 [2024-10-31 22:03:15,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:15,388 INFO L124 PetriNetUnfolderBase]: 23/700 cut-off events. [2024-10-31 22:03:15,388 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:03:15,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 700 events. 23/700 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1599 event pairs, 8 based on Foata normal form. 0/666 useless extension candidates. Maximal degree in co-relation 529. Up to 30 conditions per place. [2024-10-31 22:03:15,393 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 13 selfloop transitions, 2 changer transitions 0/530 dead transitions. [2024-10-31 22:03:15,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 530 transitions, 1097 flow [2024-10-31 22:03:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2024-10-31 22:03:15,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9654970760233919 [2024-10-31 22:03:15,397 INFO L175 Difference]: Start difference. First operand has 529 places, 531 transitions, 1069 flow. Second operand 3 states and 1651 transitions. [2024-10-31 22:03:15,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 530 transitions, 1097 flow [2024-10-31 22:03:15,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 530 transitions, 1096 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:15,406 INFO L231 Difference]: Finished difference. Result has 529 places, 530 transitions, 1070 flow [2024-10-31 22:03:15,407 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=528, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1070, PETRI_PLACES=529, PETRI_TRANSITIONS=530} [2024-10-31 22:03:15,407 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -29 predicate places. [2024-10-31 22:03:15,408 INFO L471 AbstractCegarLoop]: Abstraction has has 529 places, 530 transitions, 1070 flow [2024-10-31 22:03:15,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.3333333333334) internal successors, (1639), 3 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:15,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:15,409 INFO L204 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] [2024-10-31 22:03:15,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:03:15,409 INFO L396 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 54 more)] === [2024-10-31 22:03:15,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:15,410 INFO L85 PathProgramCache]: Analyzing trace with hash 629063455, now seen corresponding path program 1 times [2024-10-31 22:03:15,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:15,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680359765] [2024-10-31 22:03:15,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:15,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:15,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:15,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680359765] [2024-10-31 22:03:15,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680359765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:15,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:15,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:15,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907011079] [2024-10-31 22:03:15,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:15,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:15,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:15,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:15,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:15,590 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 545 out of 570 [2024-10-31 22:03:15,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 530 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:15,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:15,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 545 of 570 [2024-10-31 22:03:15,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:15,836 INFO L124 PetriNetUnfolderBase]: 44/1065 cut-off events. [2024-10-31 22:03:15,837 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2024-10-31 22:03:15,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1140 conditions, 1065 events. 44/1065 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3616 event pairs, 2 based on Foata normal form. 0/1007 useless extension candidates. Maximal degree in co-relation 968. Up to 43 conditions per place. [2024-10-31 22:03:15,845 INFO L140 encePairwiseOnDemand]: 564/570 looper letters, 16 selfloop transitions, 3 changer transitions 0/533 dead transitions. [2024-10-31 22:03:15,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 533 transitions, 1118 flow [2024-10-31 22:03:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1657 transitions. [2024-10-31 22:03:15,850 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9690058479532164 [2024-10-31 22:03:15,850 INFO L175 Difference]: Start difference. First operand has 529 places, 530 transitions, 1070 flow. Second operand 3 states and 1657 transitions. [2024-10-31 22:03:15,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 533 transitions, 1118 flow [2024-10-31 22:03:15,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 526 places, 533 transitions, 1114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:03:15,861 INFO L231 Difference]: Finished difference. Result has 527 places, 528 transitions, 1073 flow [2024-10-31 22:03:15,862 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=524, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=527, PETRI_TRANSITIONS=528} [2024-10-31 22:03:15,863 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -31 predicate places. [2024-10-31 22:03:15,863 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 528 transitions, 1073 flow [2024-10-31 22:03:15,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 546.0) internal successors, (1638), 3 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:15,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:15,864 INFO L204 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] [2024-10-31 22:03:15,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 22:03:15,865 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-31 22:03:15,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:15,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1082662165, now seen corresponding path program 1 times [2024-10-31 22:03:15,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:15,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903886620] [2024-10-31 22:03:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:15,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:16,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:16,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903886620] [2024-10-31 22:03:16,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903886620] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:16,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:16,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:16,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763174104] [2024-10-31 22:03:16,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:16,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:16,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:16,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:16,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:16,031 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 570 [2024-10-31 22:03:16,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 528 transitions, 1073 flow. Second operand has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:16,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:16,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 570 [2024-10-31 22:03:16,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:16,406 INFO L124 PetriNetUnfolderBase]: 45/1340 cut-off events. [2024-10-31 22:03:16,407 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 22:03:16,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1421 conditions, 1340 events. 45/1340 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5442 event pairs, 0 based on Foata normal form. 0/1261 useless extension candidates. Maximal degree in co-relation 1206. Up to 38 conditions per place. [2024-10-31 22:03:16,419 INFO L140 encePairwiseOnDemand]: 568/570 looper letters, 10 selfloop transitions, 1 changer transitions 0/530 dead transitions. [2024-10-31 22:03:16,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 530 transitions, 1101 flow [2024-10-31 22:03:16,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:16,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1668 transitions. [2024-10-31 22:03:16,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9754385964912281 [2024-10-31 22:03:16,423 INFO L175 Difference]: Start difference. First operand has 527 places, 528 transitions, 1073 flow. Second operand 3 states and 1668 transitions. [2024-10-31 22:03:16,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 530 transitions, 1101 flow [2024-10-31 22:03:16,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 530 transitions, 1098 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:16,432 INFO L231 Difference]: Finished difference. Result has 527 places, 527 transitions, 1070 flow [2024-10-31 22:03:16,433 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1068, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=527, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=526, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1070, PETRI_PLACES=527, PETRI_TRANSITIONS=527} [2024-10-31 22:03:16,434 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -31 predicate places. [2024-10-31 22:03:16,434 INFO L471 AbstractCegarLoop]: Abstraction has has 527 places, 527 transitions, 1070 flow [2024-10-31 22:03:16,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:16,435 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:16,435 INFO L204 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] [2024-10-31 22:03:16,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 22:03:16,435 INFO L396 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 54 more)] === [2024-10-31 22:03:16,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:16,436 INFO L85 PathProgramCache]: Analyzing trace with hash -235491821, now seen corresponding path program 1 times [2024-10-31 22:03:16,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:16,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117938891] [2024-10-31 22:03:16,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:16,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:16,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:16,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117938891] [2024-10-31 22:03:16,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117938891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:16,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:16,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:16,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003977181] [2024-10-31 22:03:16,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:16,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:16,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:16,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:16,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:16,618 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 570 [2024-10-31 22:03:16,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 527 transitions, 1070 flow. Second operand has 3 states, 3 states have (on average 548.0) internal successors, (1644), 3 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:16,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:16,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 570 [2024-10-31 22:03:16,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:16,809 INFO L124 PetriNetUnfolderBase]: 30/848 cut-off events. [2024-10-31 22:03:16,809 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-10-31 22:03:16,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 848 events. 30/848 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2499 event pairs, 10 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 706. Up to 44 conditions per place. [2024-10-31 22:03:16,819 INFO L140 encePairwiseOnDemand]: 567/570 looper letters, 14 selfloop transitions, 2 changer transitions 0/527 dead transitions. [2024-10-31 22:03:16,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 527 transitions, 1102 flow [2024-10-31 22:03:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1654 transitions. [2024-10-31 22:03:16,824 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9672514619883041 [2024-10-31 22:03:16,824 INFO L175 Difference]: Start difference. First operand has 527 places, 527 transitions, 1070 flow. Second operand 3 states and 1654 transitions. [2024-10-31 22:03:16,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 527 transitions, 1102 flow [2024-10-31 22:03:16,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 527 places, 527 transitions, 1101 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:16,833 INFO L231 Difference]: Finished difference. Result has 528 places, 527 transitions, 1077 flow [2024-10-31 22:03:16,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=525, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1077, PETRI_PLACES=528, PETRI_TRANSITIONS=527} [2024-10-31 22:03:16,836 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -30 predicate places. [2024-10-31 22:03:16,836 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 527 transitions, 1077 flow [2024-10-31 22:03:16,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 548.0) internal successors, (1644), 3 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:16,837 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:16,837 INFO L204 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] [2024-10-31 22:03:16,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 22:03:16,837 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-31 22:03:16,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:16,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1056213139, now seen corresponding path program 1 times [2024-10-31 22:03:16,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:16,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266786827] [2024-10-31 22:03:16,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:16,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:16,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:16,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266786827] [2024-10-31 22:03:16,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266786827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:16,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:16,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:16,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697396017] [2024-10-31 22:03:16,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:16,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:16,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:16,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:16,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:17,000 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 570 [2024-10-31 22:03:17,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 527 transitions, 1077 flow. Second operand has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:17,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:17,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 570 [2024-10-31 22:03:17,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:17,304 INFO L124 PetriNetUnfolderBase]: 49/1438 cut-off events. [2024-10-31 22:03:17,305 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 22:03:17,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1523 conditions, 1438 events. 49/1438 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 6291 event pairs, 10 based on Foata normal form. 0/1362 useless extension candidates. Maximal degree in co-relation 1509. Up to 38 conditions per place. [2024-10-31 22:03:17,315 INFO L140 encePairwiseOnDemand]: 568/570 looper letters, 10 selfloop transitions, 1 changer transitions 0/529 dead transitions. [2024-10-31 22:03:17,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 529 transitions, 1105 flow [2024-10-31 22:03:17,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:17,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1668 transitions. [2024-10-31 22:03:17,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9754385964912281 [2024-10-31 22:03:17,319 INFO L175 Difference]: Start difference. First operand has 528 places, 527 transitions, 1077 flow. Second operand 3 states and 1668 transitions. [2024-10-31 22:03:17,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 529 transitions, 1105 flow [2024-10-31 22:03:17,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 529 transitions, 1103 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:17,328 INFO L231 Difference]: Finished difference. Result has 528 places, 526 transitions, 1075 flow [2024-10-31 22:03:17,329 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1073, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1075, PETRI_PLACES=528, PETRI_TRANSITIONS=526} [2024-10-31 22:03:17,329 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -30 predicate places. [2024-10-31 22:03:17,329 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 526 transitions, 1075 flow [2024-10-31 22:03:17,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:17,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:17,331 INFO L204 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] [2024-10-31 22:03:17,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-31 22:03:17,331 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting whoop_wrapper_read_nvramErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-31 22:03:17,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:17,331 INFO L85 PathProgramCache]: Analyzing trace with hash -656482287, now seen corresponding path program 1 times [2024-10-31 22:03:17,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:17,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857158760] [2024-10-31 22:03:17,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:17,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:17,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857158760] [2024-10-31 22:03:17,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857158760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:17,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:17,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:17,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889412063] [2024-10-31 22:03:17,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:17,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:17,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:17,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:17,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:17,482 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 570 [2024-10-31 22:03:17,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 526 transitions, 1075 flow. Second operand has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:17,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:17,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 570 [2024-10-31 22:03:17,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:17,770 INFO L124 PetriNetUnfolderBase]: 45/1290 cut-off events. [2024-10-31 22:03:17,770 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-31 22:03:17,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 1290 events. 45/1290 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5198 event pairs, 0 based on Foata normal form. 0/1228 useless extension candidates. Maximal degree in co-relation 1159. Up to 38 conditions per place. [2024-10-31 22:03:17,780 INFO L140 encePairwiseOnDemand]: 568/570 looper letters, 10 selfloop transitions, 1 changer transitions 0/528 dead transitions. [2024-10-31 22:03:17,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 528 transitions, 1103 flow [2024-10-31 22:03:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:17,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1668 transitions. [2024-10-31 22:03:17,785 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9754385964912281 [2024-10-31 22:03:17,785 INFO L175 Difference]: Start difference. First operand has 528 places, 526 transitions, 1075 flow. Second operand 3 states and 1668 transitions. [2024-10-31 22:03:17,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 528 transitions, 1103 flow [2024-10-31 22:03:17,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 528 transitions, 1102 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:17,795 INFO L231 Difference]: Finished difference. Result has 528 places, 525 transitions, 1074 flow [2024-10-31 22:03:17,796 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=525, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1074, PETRI_PLACES=528, PETRI_TRANSITIONS=525} [2024-10-31 22:03:17,796 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -30 predicate places. [2024-10-31 22:03:17,796 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 525 transitions, 1074 flow [2024-10-31 22:03:17,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.3333333333334) internal successors, (1660), 3 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:17,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:17,798 INFO L204 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] [2024-10-31 22:03:17,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-31 22:03:17,798 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting whoop_wrapper_nvram_unlocked_ioctlErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-31 22:03:17,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:17,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1825410294, now seen corresponding path program 1 times [2024-10-31 22:03:17,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:17,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411637374] [2024-10-31 22:03:17,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:17,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:17,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:17,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411637374] [2024-10-31 22:03:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411637374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:17,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:17,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:17,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839483348] [2024-10-31 22:03:17,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:17,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:03:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:17,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:17,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:17,961 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 570 [2024-10-31 22:03:17,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 525 transitions, 1074 flow. Second operand has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:17,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:17,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 570 [2024-10-31 22:03:17,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:03:18,132 INFO L124 PetriNetUnfolderBase]: 23/785 cut-off events. [2024-10-31 22:03:18,132 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2024-10-31 22:03:18,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 785 events. 23/785 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2045 event pairs, 6 based on Foata normal form. 0/758 useless extension candidates. Maximal degree in co-relation 626. Up to 24 conditions per place. [2024-10-31 22:03:18,140 INFO L140 encePairwiseOnDemand]: 568/570 looper letters, 7 selfloop transitions, 1 changer transitions 1/525 dead transitions. [2024-10-31 22:03:18,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 529 places, 525 transitions, 1093 flow [2024-10-31 22:03:18,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:03:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1666 transitions. [2024-10-31 22:03:18,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9742690058479532 [2024-10-31 22:03:18,144 INFO L175 Difference]: Start difference. First operand has 528 places, 525 transitions, 1074 flow. Second operand 3 states and 1666 transitions. [2024-10-31 22:03:18,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 529 places, 525 transitions, 1093 flow [2024-10-31 22:03:18,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 525 transitions, 1092 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:03:18,153 INFO L231 Difference]: Finished difference. Result has 528 places, 524 transitions, 1073 flow [2024-10-31 22:03:18,154 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=570, PETRI_DIFFERENCE_MINUEND_FLOW=1071, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=524, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=523, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=528, PETRI_TRANSITIONS=524} [2024-10-31 22:03:18,155 INFO L277 CegarLoopForPetriNet]: 558 programPoint places, -30 predicate places. [2024-10-31 22:03:18,155 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 524 transitions, 1073 flow [2024-10-31 22:03:18,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 553.6666666666666) internal successors, (1661), 3 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:18,156 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:03:18,156 INFO L204 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, 1, 1, 1, 1] [2024-10-31 22:03:18,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-31 22:03:18,157 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting whoop_wrapper_read_nvramErr4ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr1ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_read_nvramErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-10-31 22:03:18,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:18,157 INFO L85 PathProgramCache]: Analyzing trace with hash -2118112279, now seen corresponding path program 1 times [2024-10-31 22:03:18,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:18,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137745645] [2024-10-31 22:03:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:18,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:22,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:22,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137745645] [2024-10-31 22:03:22,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137745645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:22,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:22,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:03:22,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183297244] [2024-10-31 22:03:22,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:22,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:03:22,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:22,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:03:22,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:03:23,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 514 out of 570 [2024-10-31 22:03:23,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 524 transitions, 1073 flow. Second operand has 10 states, 10 states have (on average 515.2) internal successors, (5152), 10 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:23,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:03:23,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 514 of 570 [2024-10-31 22:03:23,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand