/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-a20a710-m [2023-12-09 14:57:51,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-09 14:57:51,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-12-09 14:57:51,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-09 14:57:51,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-09 14:57:51,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-09 14:57:51,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-09 14:57:51,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-09 14:57:51,877 INFO L153 SettingsManager]: * Use SBE=true [2023-12-09 14:57:51,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-09 14:57:51,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-09 14:57:51,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-09 14:57:51,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-09 14:57:51,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-09 14:57:51,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-09 14:57:51,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-09 14:57:51,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-09 14:57:51,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-09 14:57:51,883 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-09 14:57:51,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-09 14:57:51,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-09 14:57:51,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-09 14:57:51,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-09 14:57:51,885 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-12-09 14:57:51,885 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-09 14:57:51,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:57:51,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-09 14:57:51,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-09 14:57:51,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-09 14:57:51,886 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-09 14:57:51,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-09 14:57:51,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-09 14:57:51,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-09 14:57:51,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true [2023-12-09 14:57:52,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-09 14:57:52,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-09 14:57:52,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-09 14:57:52,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-09 14:57:52,084 INFO L274 PluginConnector]: CDTParser initialized [2023-12-09 14:57:52,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-12-09 14:57:53,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-09 14:57:53,424 INFO L384 CDTParser]: Found 1 translation units. [2023-12-09 14:57:53,424 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-12-09 14:57:53,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af322d777/57aaa51cdec5482d8f6615709fd38a43/FLAGbf0fff6d5 [2023-12-09 14:57:53,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af322d777/57aaa51cdec5482d8f6615709fd38a43 [2023-12-09 14:57:53,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-09 14:57:53,481 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-09 14:57:53,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-09 14:57:53,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-09 14:57:53,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-09 14:57:53,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:57:53" (1/1) ... [2023-12-09 14:57:53,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6094bb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:53, skipping insertion in model container [2023-12-09 14:57:53,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:57:53" (1/1) ... [2023-12-09 14:57:53,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-09 14:57:53,891 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-12-09 14:57:57,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:57:57,514 INFO L202 MainTranslator]: Completed pre-run [2023-12-09 14:57:57,533 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-12-09 14:57:57,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-09 14:57:57,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-09 14:57:57,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-09 14:57:57,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-09 14:57:57,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-12-09 14:57:57,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-09 14:57:58,146 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:57:58,147 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:57:58,147 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:57:58,147 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:57:58,147 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:57:58,147 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-12-09 14:57:58,153 INFO L206 MainTranslator]: Completed translation [2023-12-09 14:57:58,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58 WrapperNode [2023-12-09 14:57:58,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-09 14:57:58,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-09 14:57:58,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-09 14:57:58,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-09 14:57:58,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,303 INFO L138 Inliner]: procedures = 1353, calls = 1450, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 324 [2023-12-09 14:57:58,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-09 14:57:58,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-09 14:57:58,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-09 14:57:58,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-09 14:57:58,312 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-09 14:57:58,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-09 14:57:58,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-09 14:57:58,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-09 14:57:58,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (1/1) ... [2023-12-09 14:57:58,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-09 14:57:58,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-09 14:57:58,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-09 14:57:58,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-09 14:57:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-09 14:57:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-09 14:57:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-12-09 14:57:58,428 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-12-09 14:57:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-09 14:57:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-09 14:57:58,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-09 14:57:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-12-09 14:57:58,429 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-12-09 14:57:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-09 14:57:58,430 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-09 14:57:58,744 INFO L241 CfgBuilder]: Building ICFG [2023-12-09 14:57:58,745 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-09 14:57:59,115 INFO L282 CfgBuilder]: Performing block encoding [2023-12-09 14:57:59,160 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-09 14:57:59,160 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-09 14:57:59,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:57:59 BoogieIcfgContainer [2023-12-09 14:57:59,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-09 14:57:59,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-09 14:57:59,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-09 14:57:59,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-09 14:57:59,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:57:53" (1/3) ... [2023-12-09 14:57:59,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68aaf4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:57:59, skipping insertion in model container [2023-12-09 14:57:59,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:57:58" (2/3) ... [2023-12-09 14:57:59,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68aaf4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:57:59, skipping insertion in model container [2023-12-09 14:57:59,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:57:59" (3/3) ... [2023-12-09 14:57:59,168 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-12-09 14:57:59,191 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-09 14:57:59,191 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-09 14:57:59,191 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-09 14:57:59,253 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-09 14:57:59,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 367 transitions, 748 flow [2023-12-09 14:57:59,391 INFO L124 PetriNetUnfolderBase]: 11/365 cut-off events. [2023-12-09 14:57:59,391 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-12-09 14:57:59,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 365 events. 11/365 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 301. Up to 4 conditions per place. [2023-12-09 14:57:59,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 367 transitions, 748 flow [2023-12-09 14:57:59,411 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 352 places, 356 transitions, 721 flow [2023-12-09 14:57:59,422 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-09 14:57:59,430 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4304e4e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-09 14:57:59,430 INFO L363 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-09 14:57:59,486 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-12-09 14:57:59,486 INFO L124 PetriNetUnfolderBase]: 7/313 cut-off events. [2023-12-09 14:57:59,487 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-12-09 14:57:59,487 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:57:59,488 INFO L233 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] [2023-12-09 14:57:59,488 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:57:59,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:57:59,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1842017266, now seen corresponding path program 1 times [2023-12-09 14:57:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:57:59,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529708245] [2023-12-09 14:57:59,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:57:59,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:57:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:00,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:00,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529708245] [2023-12-09 14:58:00,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529708245] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:00,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:00,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-09 14:58:00,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760415215] [2023-12-09 14:58:00,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:00,318 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-09 14:58:00,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:00,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-09 14:58:00,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-09 14:58:00,349 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 367 [2023-12-09 14:58:00,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 356 transitions, 721 flow. Second operand has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:00,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:00,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 367 [2023-12-09 14:58:00,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:01,073 INFO L124 PetriNetUnfolderBase]: 405/2241 cut-off events. [2023-12-09 14:58:01,073 INFO L125 PetriNetUnfolderBase]: For 42/44 co-relation queries the response was YES. [2023-12-09 14:58:01,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2992 conditions, 2241 events. 405/2241 cut-off events. For 42/44 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 16440 event pairs, 146 based on Foata normal form. 8/2112 useless extension candidates. Maximal degree in co-relation 2743. Up to 409 conditions per place. [2023-12-09 14:58:01,089 INFO L140 encePairwiseOnDemand]: 351/367 looper letters, 73 selfloop transitions, 24 changer transitions 8/404 dead transitions. [2023-12-09 14:58:01,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 404 transitions, 1049 flow [2023-12-09 14:58:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-09 14:58:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-12-09 14:58:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3209 transitions. [2023-12-09 14:58:01,108 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8743869209809264 [2023-12-09 14:58:01,109 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3209 transitions. [2023-12-09 14:58:01,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3209 transitions. [2023-12-09 14:58:01,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:01,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3209 transitions. [2023-12-09 14:58:01,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 320.9) internal successors, (3209), 10 states have internal predecessors, (3209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:01,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 367.0) internal successors, (4037), 11 states have internal predecessors, (4037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:01,135 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 367.0) internal successors, (4037), 11 states have internal predecessors, (4037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:01,138 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 8 predicate places. [2023-12-09 14:58:01,138 INFO L500 AbstractCegarLoop]: Abstraction has has 360 places, 404 transitions, 1049 flow [2023-12-09 14:58:01,139 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.0) internal successors, (1896), 6 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:01,139 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:01,140 INFO L233 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] [2023-12-09 14:58:01,140 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-09 14:58:01,140 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:01,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:01,141 INFO L85 PathProgramCache]: Analyzing trace with hash 121505846, now seen corresponding path program 1 times [2023-12-09 14:58:01,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:01,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93639962] [2023-12-09 14:58:01,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:01,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:02,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:02,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93639962] [2023-12-09 14:58:02,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93639962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:02,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:02,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-09 14:58:02,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862407175] [2023-12-09 14:58:02,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:02,112 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-09 14:58:02,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:02,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-09 14:58:02,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-12-09 14:58:02,118 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 367 [2023-12-09 14:58:02,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 404 transitions, 1049 flow. Second operand has 12 states, 12 states have (on average 286.1666666666667) internal successors, (3434), 12 states have internal predecessors, (3434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:02,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:02,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 367 [2023-12-09 14:58:02,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:02,981 INFO L124 PetriNetUnfolderBase]: 481/2972 cut-off events. [2023-12-09 14:58:02,982 INFO L125 PetriNetUnfolderBase]: For 248/785 co-relation queries the response was YES. [2023-12-09 14:58:02,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4560 conditions, 2972 events. 481/2972 cut-off events. For 248/785 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 24529 event pairs, 29 based on Foata normal form. 11/2814 useless extension candidates. Maximal degree in co-relation 4253. Up to 466 conditions per place. [2023-12-09 14:58:02,992 INFO L140 encePairwiseOnDemand]: 348/367 looper letters, 86 selfloop transitions, 20 changer transitions 87/461 dead transitions. [2023-12-09 14:58:02,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 461 transitions, 1669 flow [2023-12-09 14:58:02,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-09 14:58:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-12-09 14:58:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4630 transitions. [2023-12-09 14:58:02,999 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7884877384196185 [2023-12-09 14:58:02,999 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 4630 transitions. [2023-12-09 14:58:02,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 4630 transitions. [2023-12-09 14:58:03,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:03,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 4630 transitions. [2023-12-09 14:58:03,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 289.375) internal successors, (4630), 16 states have internal predecessors, (4630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:03,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 367.0) internal successors, (6239), 17 states have internal predecessors, (6239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:03,020 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 367.0) internal successors, (6239), 17 states have internal predecessors, (6239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:03,020 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 23 predicate places. [2023-12-09 14:58:03,021 INFO L500 AbstractCegarLoop]: Abstraction has has 375 places, 461 transitions, 1669 flow [2023-12-09 14:58:03,022 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 286.1666666666667) internal successors, (3434), 12 states have internal predecessors, (3434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:03,022 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:03,022 INFO L233 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] [2023-12-09 14:58:03,022 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-09 14:58:03,022 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:03,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:03,023 INFO L85 PathProgramCache]: Analyzing trace with hash 718508788, now seen corresponding path program 1 times [2023-12-09 14:58:03,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:03,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212592895] [2023-12-09 14:58:03,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:03,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:03,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:03,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212592895] [2023-12-09 14:58:03,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212592895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:03,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:03,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:58:03,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547337698] [2023-12-09 14:58:03,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:03,928 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:58:03,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:58:03,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:58:03,933 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 14:58:03,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 461 transitions, 1669 flow. Second operand has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:03,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:03,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 14:58:03,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:05,970 INFO L124 PetriNetUnfolderBase]: 2128/7084 cut-off events. [2023-12-09 14:58:05,970 INFO L125 PetriNetUnfolderBase]: For 2778/2947 co-relation queries the response was YES. [2023-12-09 14:58:05,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15387 conditions, 7084 events. 2128/7084 cut-off events. For 2778/2947 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 63253 event pairs, 93 based on Foata normal form. 42/6817 useless extension candidates. Maximal degree in co-relation 14956. Up to 1452 conditions per place. [2023-12-09 14:58:06,001 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 187 selfloop transitions, 83 changer transitions 293/843 dead transitions. [2023-12-09 14:58:06,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 843 transitions, 4723 flow [2023-12-09 14:58:06,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-09 14:58:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-12-09 14:58:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 11260 transitions. [2023-12-09 14:58:06,017 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8292215921643714 [2023-12-09 14:58:06,017 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 11260 transitions. [2023-12-09 14:58:06,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 11260 transitions. [2023-12-09 14:58:06,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:06,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 11260 transitions. [2023-12-09 14:58:06,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 304.3243243243243) internal successors, (11260), 37 states have internal predecessors, (11260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:06,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:06,062 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:06,062 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 59 predicate places. [2023-12-09 14:58:06,063 INFO L500 AbstractCegarLoop]: Abstraction has has 411 places, 843 transitions, 4723 flow [2023-12-09 14:58:06,064 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:06,064 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:06,064 INFO L233 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] [2023-12-09 14:58:06,064 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-09 14:58:06,064 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:06,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:06,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1322401454, now seen corresponding path program 2 times [2023-12-09 14:58:06,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:06,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338045487] [2023-12-09 14:58:06,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:06,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:06,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338045487] [2023-12-09 14:58:06,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338045487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:06,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:06,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:58:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136999601] [2023-12-09 14:58:06,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:06,982 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:58:06,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:06,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:58:06,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:58:06,986 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 14:58:06,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 843 transitions, 4723 flow. Second operand has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:06,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:06,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 14:58:06,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:09,172 INFO L124 PetriNetUnfolderBase]: 2782/9085 cut-off events. [2023-12-09 14:58:09,172 INFO L125 PetriNetUnfolderBase]: For 5007/6164 co-relation queries the response was YES. [2023-12-09 14:58:09,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24101 conditions, 9085 events. 2782/9085 cut-off events. For 5007/6164 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 85683 event pairs, 106 based on Foata normal form. 117/8804 useless extension candidates. Maximal degree in co-relation 23545. Up to 1832 conditions per place. [2023-12-09 14:58:09,259 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 499 selfloop transitions, 258 changer transitions 78/1115 dead transitions. [2023-12-09 14:58:09,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 1115 transitions, 8213 flow [2023-12-09 14:58:09,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-09 14:58:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2023-12-09 14:58:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 10050 transitions. [2023-12-09 14:58:09,278 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8298241268268516 [2023-12-09 14:58:09,279 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 10050 transitions. [2023-12-09 14:58:09,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 10050 transitions. [2023-12-09 14:58:09,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:09,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 10050 transitions. [2023-12-09 14:58:09,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 304.54545454545456) internal successors, (10050), 33 states have internal predecessors, (10050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:09,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 367.0) internal successors, (12478), 34 states have internal predecessors, (12478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:09,320 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 367.0) internal successors, (12478), 34 states have internal predecessors, (12478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:09,321 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 91 predicate places. [2023-12-09 14:58:09,321 INFO L500 AbstractCegarLoop]: Abstraction has has 443 places, 1115 transitions, 8213 flow [2023-12-09 14:58:09,322 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:09,322 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:09,322 INFO L233 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] [2023-12-09 14:58:09,322 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-09 14:58:09,322 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:09,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:09,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1008502062, now seen corresponding path program 3 times [2023-12-09 14:58:09,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:09,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024541483] [2023-12-09 14:58:09,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:09,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:10,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:10,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024541483] [2023-12-09 14:58:10,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024541483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:10,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:10,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:58:10,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702879146] [2023-12-09 14:58:10,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:10,392 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:58:10,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:10,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:58:10,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:58:10,395 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 14:58:10,397 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 1115 transitions, 8213 flow. Second operand has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:10,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:10,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 14:58:10,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:13,054 INFO L124 PetriNetUnfolderBase]: 3195/10855 cut-off events. [2023-12-09 14:58:13,055 INFO L125 PetriNetUnfolderBase]: For 8578/10279 co-relation queries the response was YES. [2023-12-09 14:58:13,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32769 conditions, 10855 events. 3195/10855 cut-off events. For 8578/10279 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 108736 event pairs, 36 based on Foata normal form. 220/10612 useless extension candidates. Maximal degree in co-relation 32215. Up to 2078 conditions per place. [2023-12-09 14:58:13,130 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 590 selfloop transitions, 408 changer transitions 94/1377 dead transitions. [2023-12-09 14:58:13,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 1377 transitions, 12891 flow [2023-12-09 14:58:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-09 14:58:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-12-09 14:58:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 11228 transitions. [2023-12-09 14:58:13,142 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8268650121511157 [2023-12-09 14:58:13,142 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 11228 transitions. [2023-12-09 14:58:13,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 11228 transitions. [2023-12-09 14:58:13,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:13,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 11228 transitions. [2023-12-09 14:58:13,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 303.4594594594595) internal successors, (11228), 37 states have internal predecessors, (11228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:13,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:13,176 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:13,176 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 127 predicate places. [2023-12-09 14:58:13,177 INFO L500 AbstractCegarLoop]: Abstraction has has 479 places, 1377 transitions, 12891 flow [2023-12-09 14:58:13,178 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:13,178 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:13,178 INFO L233 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] [2023-12-09 14:58:13,178 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-09 14:58:13,178 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:13,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:13,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2004479290, now seen corresponding path program 4 times [2023-12-09 14:58:13,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:13,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855793527] [2023-12-09 14:58:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:13,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:14,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:14,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855793527] [2023-12-09 14:58:14,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855793527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:14,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:14,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:58:14,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189816178] [2023-12-09 14:58:14,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:14,020 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:58:14,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:14,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:58:14,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:58:14,024 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 14:58:14,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 1377 transitions, 12891 flow. Second operand has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:14,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:14,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 14:58:14,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:16,880 INFO L124 PetriNetUnfolderBase]: 3284/11051 cut-off events. [2023-12-09 14:58:16,880 INFO L125 PetriNetUnfolderBase]: For 12130/15873 co-relation queries the response was YES. [2023-12-09 14:58:16,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38857 conditions, 11051 events. 3284/11051 cut-off events. For 12130/15873 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 110276 event pairs, 63 based on Foata normal form. 206/10768 useless extension candidates. Maximal degree in co-relation 38239. Up to 2158 conditions per place. [2023-12-09 14:58:16,943 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 391 selfloop transitions, 129 changer transitions 644/1444 dead transitions. [2023-12-09 14:58:16,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1444 transitions, 15947 flow [2023-12-09 14:58:16,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-09 14:58:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-12-09 14:58:16,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 11289 transitions. [2023-12-09 14:58:16,950 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8313572428013845 [2023-12-09 14:58:16,950 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 11289 transitions. [2023-12-09 14:58:16,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 11289 transitions. [2023-12-09 14:58:16,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:16,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 11289 transitions. [2023-12-09 14:58:16,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 305.1081081081081) internal successors, (11289), 37 states have internal predecessors, (11289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:16,972 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:16,974 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:16,975 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 163 predicate places. [2023-12-09 14:58:16,975 INFO L500 AbstractCegarLoop]: Abstraction has has 515 places, 1444 transitions, 15947 flow [2023-12-09 14:58:16,976 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:16,976 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:16,976 INFO L233 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] [2023-12-09 14:58:16,976 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-09 14:58:16,976 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:16,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:16,977 INFO L85 PathProgramCache]: Analyzing trace with hash -399853046, now seen corresponding path program 5 times [2023-12-09 14:58:16,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:16,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166237572] [2023-12-09 14:58:16,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:16,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:18,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:18,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:18,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166237572] [2023-12-09 14:58:18,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166237572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:18,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:18,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-12-09 14:58:18,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045624276] [2023-12-09 14:58:18,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:18,896 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-09 14:58:18,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:18,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-09 14:58:18,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2023-12-09 14:58:18,900 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 367 [2023-12-09 14:58:18,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 1444 transitions, 15947 flow. Second operand has 24 states, 24 states have (on average 263.0833333333333) internal successors, (6314), 24 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:18,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:18,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 367 [2023-12-09 14:58:18,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:25,833 INFO L124 PetriNetUnfolderBase]: 7670/25897 cut-off events. [2023-12-09 14:58:25,833 INFO L125 PetriNetUnfolderBase]: For 45207/55691 co-relation queries the response was YES. [2023-12-09 14:58:25,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99759 conditions, 25897 events. 7670/25897 cut-off events. For 45207/55691 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 304419 event pairs, 166 based on Foata normal form. 287/25065 useless extension candidates. Maximal degree in co-relation 53617. Up to 4862 conditions per place. [2023-12-09 14:58:26,088 INFO L140 encePairwiseOnDemand]: 333/367 looper letters, 934 selfloop transitions, 269 changer transitions 1524/2976 dead transitions. [2023-12-09 14:58:26,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 573 places, 2976 transitions, 41446 flow [2023-12-09 14:58:26,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-12-09 14:58:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2023-12-09 14:58:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 15834 transitions. [2023-12-09 14:58:26,107 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.7312612571006327 [2023-12-09 14:58:26,107 INFO L72 ComplementDD]: Start complementDD. Operand 59 states and 15834 transitions. [2023-12-09 14:58:26,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 15834 transitions. [2023-12-09 14:58:26,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:26,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 59 states and 15834 transitions. [2023-12-09 14:58:26,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 60 states, 59 states have (on average 268.3728813559322) internal successors, (15834), 59 states have internal predecessors, (15834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:26,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 60 states, 60 states have (on average 367.0) internal successors, (22020), 60 states have internal predecessors, (22020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:26,160 INFO L81 ComplementDD]: Finished complementDD. Result has 60 states, 60 states have (on average 367.0) internal successors, (22020), 60 states have internal predecessors, (22020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:26,161 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 221 predicate places. [2023-12-09 14:58:26,161 INFO L500 AbstractCegarLoop]: Abstraction has has 573 places, 2976 transitions, 41446 flow [2023-12-09 14:58:26,163 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 263.0833333333333) internal successors, (6314), 24 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:26,163 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:26,163 INFO L233 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] [2023-12-09 14:58:26,163 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-09 14:58:26,163 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:26,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash -648964890, now seen corresponding path program 6 times [2023-12-09 14:58:26,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:26,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141569643] [2023-12-09 14:58:26,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:26,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:26,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:26,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141569643] [2023-12-09 14:58:26,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141569643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:26,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:27,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:58:27,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915163536] [2023-12-09 14:58:27,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:27,000 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:58:27,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:27,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:58:27,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:58:27,003 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 14:58:27,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 2976 transitions, 41446 flow. Second operand has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:27,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:27,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 14:58:27,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:34,238 INFO L124 PetriNetUnfolderBase]: 8486/28935 cut-off events. [2023-12-09 14:58:34,238 INFO L125 PetriNetUnfolderBase]: For 65632/77994 co-relation queries the response was YES. [2023-12-09 14:58:34,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122666 conditions, 28935 events. 8486/28935 cut-off events. For 65632/77994 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 349803 event pairs, 126 based on Foata normal form. 363/28047 useless extension candidates. Maximal degree in co-relation 65800. Up to 5354 conditions per place. [2023-12-09 14:58:34,419 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 1198 selfloop transitions, 567 changer transitions 1219/3283 dead transitions. [2023-12-09 14:58:34,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 3283 transitions, 52084 flow [2023-12-09 14:58:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-12-09 14:58:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2023-12-09 14:58:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 13674 transitions. [2023-12-09 14:58:34,435 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8279745685740236 [2023-12-09 14:58:34,436 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 13674 transitions. [2023-12-09 14:58:34,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 13674 transitions. [2023-12-09 14:58:34,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:34,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 13674 transitions. [2023-12-09 14:58:34,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 303.8666666666667) internal successors, (13674), 45 states have internal predecessors, (13674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:34,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 367.0) internal successors, (16882), 46 states have internal predecessors, (16882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:34,466 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 367.0) internal successors, (16882), 46 states have internal predecessors, (16882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:34,468 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 265 predicate places. [2023-12-09 14:58:34,468 INFO L500 AbstractCegarLoop]: Abstraction has has 617 places, 3283 transitions, 52084 flow [2023-12-09 14:58:34,469 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:34,469 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:34,469 INFO L233 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] [2023-12-09 14:58:34,469 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-09 14:58:34,469 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:34,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:34,470 INFO L85 PathProgramCache]: Analyzing trace with hash -916484966, now seen corresponding path program 7 times [2023-12-09 14:58:34,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:34,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186152557] [2023-12-09 14:58:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:35,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:35,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186152557] [2023-12-09 14:58:35,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186152557] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:35,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:35,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:58:35,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680307809] [2023-12-09 14:58:35,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:35,067 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:58:35,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:35,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:58:35,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:58:35,070 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 14:58:35,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 3283 transitions, 52084 flow. Second operand has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:35,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:35,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 14:58:35,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:42,346 INFO L124 PetriNetUnfolderBase]: 8580/29457 cut-off events. [2023-12-09 14:58:42,347 INFO L125 PetriNetUnfolderBase]: For 85433/99277 co-relation queries the response was YES. [2023-12-09 14:58:42,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137215 conditions, 29457 events. 8580/29457 cut-off events. For 85433/99277 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 356894 event pairs, 193 based on Foata normal form. 335/28514 useless extension candidates. Maximal degree in co-relation 72237. Up to 5438 conditions per place. [2023-12-09 14:58:42,551 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 789 selfloop transitions, 301 changer transitions 2005/3389 dead transitions. [2023-12-09 14:58:42,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 3389 transitions, 60058 flow [2023-12-09 14:58:42,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-09 14:58:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-12-09 14:58:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 11257 transitions. [2023-12-09 14:58:42,558 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8290006627881287 [2023-12-09 14:58:42,558 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 11257 transitions. [2023-12-09 14:58:42,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 11257 transitions. [2023-12-09 14:58:42,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:42,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 11257 transitions. [2023-12-09 14:58:42,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 304.2432432432432) internal successors, (11257), 37 states have internal predecessors, (11257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:42,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:42,576 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:42,577 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 301 predicate places. [2023-12-09 14:58:42,577 INFO L500 AbstractCegarLoop]: Abstraction has has 653 places, 3389 transitions, 60058 flow [2023-12-09 14:58:42,578 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.5) internal successors, (4179), 14 states have internal predecessors, (4179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:42,578 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:42,578 INFO L233 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] [2023-12-09 14:58:42,578 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-09 14:58:42,578 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:42,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:42,579 INFO L85 PathProgramCache]: Analyzing trace with hash 35254358, now seen corresponding path program 1 times [2023-12-09 14:58:42,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:42,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786876798] [2023-12-09 14:58:42,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:42,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:43,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786876798] [2023-12-09 14:58:43,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786876798] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:43,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:43,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-09 14:58:43,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382054007] [2023-12-09 14:58:43,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:43,600 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-09 14:58:43,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:43,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-09 14:58:43,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-12-09 14:58:43,603 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 367 [2023-12-09 14:58:43,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 653 places, 3389 transitions, 60058 flow. Second operand has 16 states, 16 states have (on average 278.25) internal successors, (4452), 16 states have internal predecessors, (4452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:43,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:43,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 367 [2023-12-09 14:58:43,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:58:51,353 INFO L124 PetriNetUnfolderBase]: 8825/29893 cut-off events. [2023-12-09 14:58:51,353 INFO L125 PetriNetUnfolderBase]: For 110484/133442 co-relation queries the response was YES. [2023-12-09 14:58:51,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154885 conditions, 29893 events. 8825/29893 cut-off events. For 110484/133442 co-relation queries the response was YES. Maximal size of possible extension queue 791. Compared 360418 event pairs, 146 based on Foata normal form. 404/29034 useless extension candidates. Maximal degree in co-relation 78353. Up to 5590 conditions per place. [2023-12-09 14:58:51,552 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 982 selfloop transitions, 257 changer transitions 2112/3624 dead transitions. [2023-12-09 14:58:51,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 3624 transitions, 71224 flow [2023-12-09 14:58:51,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-09 14:58:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-12-09 14:58:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 7087 transitions. [2023-12-09 14:58:51,557 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.772425068119891 [2023-12-09 14:58:51,557 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 7087 transitions. [2023-12-09 14:58:51,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 7087 transitions. [2023-12-09 14:58:51,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:58:51,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 7087 transitions. [2023-12-09 14:58:51,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 283.48) internal successors, (7087), 25 states have internal predecessors, (7087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:51,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 367.0) internal successors, (9542), 26 states have internal predecessors, (9542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:51,569 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 367.0) internal successors, (9542), 26 states have internal predecessors, (9542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:51,569 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 325 predicate places. [2023-12-09 14:58:51,569 INFO L500 AbstractCegarLoop]: Abstraction has has 677 places, 3624 transitions, 71224 flow [2023-12-09 14:58:51,570 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 278.25) internal successors, (4452), 16 states have internal predecessors, (4452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:51,570 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:58:51,570 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 14:58:51,570 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-09 14:58:51,570 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:58:51,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:58:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1084714699, now seen corresponding path program 1 times [2023-12-09 14:58:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:58:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659142666] [2023-12-09 14:58:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:58:51,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:58:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:58:52,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:58:52,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:58:52,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659142666] [2023-12-09 14:58:52,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659142666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:58:52,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:58:52,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 14:58:52,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468312014] [2023-12-09 14:58:52,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:58:52,271 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 14:58:52,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:58:52,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 14:58:52,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-09 14:58:52,274 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 14:58:52,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 677 places, 3624 transitions, 71224 flow. Second operand has 14 states, 14 states have (on average 298.64285714285717) internal successors, (4181), 14 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:58:52,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:58:52,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 14:58:52,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:59:03,848 INFO L124 PetriNetUnfolderBase]: 14187/39716 cut-off events. [2023-12-09 14:59:03,849 INFO L125 PetriNetUnfolderBase]: For 320898/341832 co-relation queries the response was YES. [2023-12-09 14:59:04,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238663 conditions, 39716 events. 14187/39716 cut-off events. For 320898/341832 co-relation queries the response was YES. Maximal size of possible extension queue 994. Compared 465323 event pairs, 271 based on Foata normal form. 420/38627 useless extension candidates. Maximal degree in co-relation 125819. Up to 8921 conditions per place. [2023-12-09 14:59:04,174 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 847 selfloop transitions, 232 changer transitions 3159/4770 dead transitions. [2023-12-09 14:59:04,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 712 places, 4770 transitions, 102440 flow [2023-12-09 14:59:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-12-09 14:59:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-12-09 14:59:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 10980 transitions. [2023-12-09 14:59:04,180 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8310626702997275 [2023-12-09 14:59:04,180 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 10980 transitions. [2023-12-09 14:59:04,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 10980 transitions. [2023-12-09 14:59:04,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:59:04,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 10980 transitions. [2023-12-09 14:59:04,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 305.0) internal successors, (10980), 36 states have internal predecessors, (10980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:04,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 367.0) internal successors, (13579), 37 states have internal predecessors, (13579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:04,198 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 367.0) internal successors, (13579), 37 states have internal predecessors, (13579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:04,199 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 360 predicate places. [2023-12-09 14:59:04,199 INFO L500 AbstractCegarLoop]: Abstraction has has 712 places, 4770 transitions, 102440 flow [2023-12-09 14:59:04,199 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.64285714285717) internal successors, (4181), 14 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:04,199 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:59:04,200 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 14:59:04,200 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-09 14:59:04,200 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:59:04,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:59:04,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1875985869, now seen corresponding path program 2 times [2023-12-09 14:59:04,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:59:04,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295863598] [2023-12-09 14:59:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:59:04,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:59:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:59:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:59:05,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:59:05,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295863598] [2023-12-09 14:59:05,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295863598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:59:05,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:59:05,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-09 14:59:05,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305262837] [2023-12-09 14:59:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:59:05,015 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-09 14:59:05,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:59:05,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-09 14:59:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-12-09 14:59:05,018 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 367 [2023-12-09 14:59:05,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 712 places, 4770 transitions, 102440 flow. Second operand has 16 states, 16 states have (on average 294.4375) internal successors, (4711), 16 states have internal predecessors, (4711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:05,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:59:05,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 367 [2023-12-09 14:59:05,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:59:21,229 INFO L124 PetriNetUnfolderBase]: 14426/40591 cut-off events. [2023-12-09 14:59:21,229 INFO L125 PetriNetUnfolderBase]: For 363977/389841 co-relation queries the response was YES. [2023-12-09 14:59:21,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265196 conditions, 40591 events. 14426/40591 cut-off events. For 363977/389841 co-relation queries the response was YES. Maximal size of possible extension queue 1029. Compared 478559 event pairs, 226 based on Foata normal form. 478/39558 useless extension candidates. Maximal degree in co-relation 139764. Up to 9085 conditions per place. [2023-12-09 14:59:21,537 INFO L140 encePairwiseOnDemand]: 339/367 looper letters, 1002 selfloop transitions, 369 changer transitions 4010/5671 dead transitions. [2023-12-09 14:59:21,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 764 places, 5671 transitions, 134094 flow [2023-12-09 14:59:21,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-09 14:59:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2023-12-09 14:59:21,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 15915 transitions. [2023-12-09 14:59:21,545 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8182098606755437 [2023-12-09 14:59:21,545 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 15915 transitions. [2023-12-09 14:59:21,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 15915 transitions. [2023-12-09 14:59:21,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:59:21,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 15915 transitions. [2023-12-09 14:59:21,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 300.2830188679245) internal successors, (15915), 53 states have internal predecessors, (15915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:21,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 367.0) internal successors, (19818), 54 states have internal predecessors, (19818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:21,570 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 367.0) internal successors, (19818), 54 states have internal predecessors, (19818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:21,571 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 412 predicate places. [2023-12-09 14:59:21,571 INFO L500 AbstractCegarLoop]: Abstraction has has 764 places, 5671 transitions, 134094 flow [2023-12-09 14:59:21,571 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 294.4375) internal successors, (4711), 16 states have internal predecessors, (4711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:21,571 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:59:21,571 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 14:59:21,572 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-09 14:59:21,572 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:59:21,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:59:21,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1153899483, now seen corresponding path program 3 times [2023-12-09 14:59:21,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:59:21,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665809440] [2023-12-09 14:59:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:59:21,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:59:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:59:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:59:22,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:59:22,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665809440] [2023-12-09 14:59:22,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665809440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:59:22,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:59:22,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-09 14:59:22,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513146170] [2023-12-09 14:59:22,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:59:22,637 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-09 14:59:22,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:59:22,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-09 14:59:22,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-12-09 14:59:22,640 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 367 [2023-12-09 14:59:22,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 5671 transitions, 134094 flow. Second operand has 17 states, 17 states have (on average 294.2352941176471) internal successors, (5002), 17 states have internal predecessors, (5002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:22,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:59:22,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 367 [2023-12-09 14:59:22,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 14:59:41,921 INFO L124 PetriNetUnfolderBase]: 15006/42029 cut-off events. [2023-12-09 14:59:41,921 INFO L125 PetriNetUnfolderBase]: For 410437/437107 co-relation queries the response was YES. [2023-12-09 14:59:42,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299903 conditions, 42029 events. 15006/42029 cut-off events. For 410437/437107 co-relation queries the response was YES. Maximal size of possible extension queue 1075. Compared 496675 event pairs, 223 based on Foata normal form. 446/40982 useless extension candidates. Maximal degree in co-relation 158047. Up to 9413 conditions per place. [2023-12-09 14:59:42,260 INFO L140 encePairwiseOnDemand]: 339/367 looper letters, 1022 selfloop transitions, 248 changer transitions 4515/6075 dead transitions. [2023-12-09 14:59:42,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 6075 transitions, 155036 flow [2023-12-09 14:59:42,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-12-09 14:59:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2023-12-09 14:59:42,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 12333 transitions. [2023-12-09 14:59:42,267 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8196318202964046 [2023-12-09 14:59:42,267 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 12333 transitions. [2023-12-09 14:59:42,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 12333 transitions. [2023-12-09 14:59:42,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 14:59:42,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 12333 transitions. [2023-12-09 14:59:42,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 300.8048780487805) internal successors, (12333), 41 states have internal predecessors, (12333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:42,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 367.0) internal successors, (15414), 42 states have internal predecessors, (15414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:42,286 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 367.0) internal successors, (15414), 42 states have internal predecessors, (15414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:42,287 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 452 predicate places. [2023-12-09 14:59:42,288 INFO L500 AbstractCegarLoop]: Abstraction has has 804 places, 6075 transitions, 155036 flow [2023-12-09 14:59:42,288 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 294.2352941176471) internal successors, (5002), 17 states have internal predecessors, (5002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:42,288 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 14:59:42,288 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 14:59:42,288 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-09 14:59:42,289 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 14:59:42,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 14:59:42,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1102164311, now seen corresponding path program 4 times [2023-12-09 14:59:42,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 14:59:42,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955058738] [2023-12-09 14:59:42,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 14:59:42,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 14:59:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 14:59:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 14:59:43,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 14:59:43,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955058738] [2023-12-09 14:59:43,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955058738] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 14:59:43,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 14:59:43,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-09 14:59:43,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340270411] [2023-12-09 14:59:43,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 14:59:43,063 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-09 14:59:43,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 14:59:43,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-09 14:59:43,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-12-09 14:59:43,066 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 367 [2023-12-09 14:59:43,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 804 places, 6075 transitions, 155036 flow. Second operand has 16 states, 16 states have (on average 294.4375) internal successors, (4711), 16 states have internal predecessors, (4711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 14:59:43,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 14:59:43,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 367 [2023-12-09 14:59:43,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:00:04,055 INFO L124 PetriNetUnfolderBase]: 15555/43733 cut-off events. [2023-12-09 15:00:04,055 INFO L125 PetriNetUnfolderBase]: For 456912/486392 co-relation queries the response was YES. [2023-12-09 15:00:04,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334750 conditions, 43733 events. 15555/43733 cut-off events. For 456912/486392 co-relation queries the response was YES. Maximal size of possible extension queue 1156. Compared 521077 event pairs, 181 based on Foata normal form. 538/42738 useless extension candidates. Maximal degree in co-relation 177120. Up to 9782 conditions per place. [2023-12-09 15:00:04,435 INFO L140 encePairwiseOnDemand]: 339/367 looper letters, 953 selfloop transitions, 314 changer transitions 4897/6454 dead transitions. [2023-12-09 15:00:04,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 858 places, 6454 transitions, 177540 flow [2023-12-09 15:00:04,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-09 15:00:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2023-12-09 15:00:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 16516 transitions. [2023-12-09 15:00:04,443 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8182313599207333 [2023-12-09 15:00:04,443 INFO L72 ComplementDD]: Start complementDD. Operand 55 states and 16516 transitions. [2023-12-09 15:00:04,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 16516 transitions. [2023-12-09 15:00:04,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:00:04,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 55 states and 16516 transitions. [2023-12-09 15:00:04,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 56 states, 55 states have (on average 300.2909090909091) internal successors, (16516), 55 states have internal predecessors, (16516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:04,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 56 states, 56 states have (on average 367.0) internal successors, (20552), 56 states have internal predecessors, (20552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:04,469 INFO L81 ComplementDD]: Finished complementDD. Result has 56 states, 56 states have (on average 367.0) internal successors, (20552), 56 states have internal predecessors, (20552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:04,470 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 506 predicate places. [2023-12-09 15:00:04,470 INFO L500 AbstractCegarLoop]: Abstraction has has 858 places, 6454 transitions, 177540 flow [2023-12-09 15:00:04,470 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 294.4375) internal successors, (4711), 16 states have internal predecessors, (4711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:04,470 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:00:04,470 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:00:04,471 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-09 15:00:04,471 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 15:00:04,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:00:04,471 INFO L85 PathProgramCache]: Analyzing trace with hash 511700177, now seen corresponding path program 5 times [2023-12-09 15:00:04,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:00:04,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926781423] [2023-12-09 15:00:04,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:00:04,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:00:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:00:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:00:05,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:00:05,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926781423] [2023-12-09 15:00:05,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926781423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:00:05,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:00:05,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-09 15:00:05,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938465172] [2023-12-09 15:00:05,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:00:05,093 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-09 15:00:05,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:00:05,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-09 15:00:05,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-09 15:00:05,095 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 295 out of 367 [2023-12-09 15:00:05,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 6454 transitions, 177540 flow. Second operand has 14 states, 14 states have (on average 298.64285714285717) internal successors, (4181), 14 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:05,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:00:05,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 295 of 367 [2023-12-09 15:00:05,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:00:29,270 INFO L124 PetriNetUnfolderBase]: 15619/44661 cut-off events. [2023-12-09 15:00:29,270 INFO L125 PetriNetUnfolderBase]: For 499383/527873 co-relation queries the response was YES. [2023-12-09 15:00:29,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358237 conditions, 44661 events. 15619/44661 cut-off events. For 499383/527873 co-relation queries the response was YES. Maximal size of possible extension queue 1213. Compared 538881 event pairs, 179 based on Foata normal form. 472/43579 useless extension candidates. Maximal degree in co-relation 189173. Up to 9818 conditions per place. [2023-12-09 15:00:29,652 INFO L140 encePairwiseOnDemand]: 343/367 looper letters, 522 selfloop transitions, 67 changer transitions 5562/6526 dead transitions. [2023-12-09 15:00:29,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 894 places, 6526 transitions, 190980 flow [2023-12-09 15:00:29,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-09 15:00:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-12-09 15:00:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 11288 transitions. [2023-12-09 15:00:29,657 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8312835996759702 [2023-12-09 15:00:29,657 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 11288 transitions. [2023-12-09 15:00:29,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 11288 transitions. [2023-12-09 15:00:29,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:00:29,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 11288 transitions. [2023-12-09 15:00:29,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 305.0810810810811) internal successors, (11288), 37 states have internal predecessors, (11288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:29,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:29,672 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 367.0) internal successors, (13946), 38 states have internal predecessors, (13946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:29,673 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 542 predicate places. [2023-12-09 15:00:29,673 INFO L500 AbstractCegarLoop]: Abstraction has has 894 places, 6526 transitions, 190980 flow [2023-12-09 15:00:29,673 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 298.64285714285717) internal successors, (4181), 14 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:29,673 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:00:29,674 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:00:29,674 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-09 15:00:29,674 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 15:00:29,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:00:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1676600873, now seen corresponding path program 6 times [2023-12-09 15:00:29,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:00:29,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125229274] [2023-12-09 15:00:29,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:00:29,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:00:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:00:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:00:30,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:00:30,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125229274] [2023-12-09 15:00:30,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125229274] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:00:30,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:00:30,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-09 15:00:30,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596719674] [2023-12-09 15:00:30,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:00:30,936 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-09 15:00:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:00:30,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-09 15:00:30,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-12-09 15:00:30,940 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 367 [2023-12-09 15:00:30,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 894 places, 6526 transitions, 190980 flow. Second operand has 17 states, 17 states have (on average 294.2352941176471) internal successors, (5002), 17 states have internal predecessors, (5002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:30,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:00:30,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 367 [2023-12-09 15:00:30,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:00:55,912 INFO L124 PetriNetUnfolderBase]: 16395/47161 cut-off events. [2023-12-09 15:00:55,912 INFO L125 PetriNetUnfolderBase]: For 567082/598150 co-relation queries the response was YES. [2023-12-09 15:00:56,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402168 conditions, 47161 events. 16395/47161 cut-off events. For 567082/598150 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 575876 event pairs, 189 based on Foata normal form. 477/46027 useless extension candidates. Maximal degree in co-relation 212447. Up to 10697 conditions per place. [2023-12-09 15:00:56,284 INFO L140 encePairwiseOnDemand]: 339/367 looper letters, 987 selfloop transitions, 535 changer transitions 5188/6998 dead transitions. [2023-12-09 15:00:56,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 946 places, 6998 transitions, 218272 flow [2023-12-09 15:00:56,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-09 15:00:56,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2023-12-09 15:00:56,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 15885 transitions. [2023-12-09 15:00:56,291 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8166675235206416 [2023-12-09 15:00:56,291 INFO L72 ComplementDD]: Start complementDD. Operand 53 states and 15885 transitions. [2023-12-09 15:00:56,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 15885 transitions. [2023-12-09 15:00:56,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:00:56,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 53 states and 15885 transitions. [2023-12-09 15:00:56,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 54 states, 53 states have (on average 299.7169811320755) internal successors, (15885), 53 states have internal predecessors, (15885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:56,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 54 states, 54 states have (on average 367.0) internal successors, (19818), 54 states have internal predecessors, (19818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:56,313 INFO L81 ComplementDD]: Finished complementDD. Result has 54 states, 54 states have (on average 367.0) internal successors, (19818), 54 states have internal predecessors, (19818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:56,314 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 594 predicate places. [2023-12-09 15:00:56,314 INFO L500 AbstractCegarLoop]: Abstraction has has 946 places, 6998 transitions, 218272 flow [2023-12-09 15:00:56,314 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 294.2352941176471) internal successors, (5002), 17 states have internal predecessors, (5002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:56,314 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:00:56,315 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:00:56,315 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-09 15:00:56,315 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 15:00:56,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:00:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1601535365, now seen corresponding path program 7 times [2023-12-09 15:00:56,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:00:56,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441573533] [2023-12-09 15:00:56,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:00:56,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:00:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:00:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:00:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:00:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441573533] [2023-12-09 15:00:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441573533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:00:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:00:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-12-09 15:00:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968722305] [2023-12-09 15:00:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:00:57,311 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-09 15:00:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:00:57,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-09 15:00:57,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2023-12-09 15:00:57,313 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 367 [2023-12-09 15:00:57,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 946 places, 6998 transitions, 218272 flow. Second operand has 17 states, 17 states have (on average 294.2352941176471) internal successors, (5002), 17 states have internal predecessors, (5002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:00:57,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:00:57,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 367 [2023-12-09 15:00:57,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-12-09 15:01:26,711 INFO L124 PetriNetUnfolderBase]: 17043/48750 cut-off events. [2023-12-09 15:01:26,712 INFO L125 PetriNetUnfolderBase]: For 638000/683618 co-relation queries the response was YES. [2023-12-09 15:01:26,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446246 conditions, 48750 events. 17043/48750 cut-off events. For 638000/683618 co-relation queries the response was YES. Maximal size of possible extension queue 1347. Compared 597022 event pairs, 197 based on Foata normal form. 511/47638 useless extension candidates. Maximal degree in co-relation 235119. Up to 11161 conditions per place. [2023-12-09 15:01:27,161 INFO L140 encePairwiseOnDemand]: 339/367 looper letters, 1061 selfloop transitions, 489 changer transitions 5598/7436 dead transitions. [2023-12-09 15:01:27,161 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 994 places, 7436 transitions, 246292 flow [2023-12-09 15:01:27,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-12-09 15:01:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2023-12-09 15:01:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 14734 transitions. [2023-12-09 15:01:27,167 INFO L543 CegarLoopForPetriNet]: DFA transition density 0.8193293666240338 [2023-12-09 15:01:27,167 INFO L72 ComplementDD]: Start complementDD. Operand 49 states and 14734 transitions. [2023-12-09 15:01:27,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 14734 transitions. [2023-12-09 15:01:27,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-12-09 15:01:27,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 49 states and 14734 transitions. [2023-12-09 15:01:27,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 50 states, 49 states have (on average 300.6938775510204) internal successors, (14734), 49 states have internal predecessors, (14734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:27,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 50 states, 50 states have (on average 367.0) internal successors, (18350), 50 states have internal predecessors, (18350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:27,187 INFO L81 ComplementDD]: Finished complementDD. Result has 50 states, 50 states have (on average 367.0) internal successors, (18350), 50 states have internal predecessors, (18350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:27,187 INFO L308 CegarLoopForPetriNet]: 352 programPoint places, 642 predicate places. [2023-12-09 15:01:27,188 INFO L500 AbstractCegarLoop]: Abstraction has has 994 places, 7436 transitions, 246292 flow [2023-12-09 15:01:27,188 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 294.2352941176471) internal successors, (5002), 17 states have internal predecessors, (5002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:27,188 INFO L225 CegarLoopForPetriNet]: Found error trace [2023-12-09 15:01:27,188 INFO L233 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-09 15:01:27,188 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-09 15:01:27,189 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-12-09 15:01:27,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-09 15:01:27,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1380000437, now seen corresponding path program 8 times [2023-12-09 15:01:27,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-09 15:01:27,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823600183] [2023-12-09 15:01:27,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-09 15:01:27,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-09 15:01:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-09 15:01:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-09 15:01:29,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-09 15:01:29,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823600183] [2023-12-09 15:01:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823600183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-09 15:01:29,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-09 15:01:29,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2023-12-09 15:01:29,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699060957] [2023-12-09 15:01:29,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-09 15:01:29,028 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-09 15:01:29,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-09 15:01:29,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-09 15:01:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2023-12-09 15:01:29,032 INFO L498 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 367 [2023-12-09 15:01:29,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 7436 transitions, 246292 flow. Second operand has 25 states, 25 states have (on average 259.2) internal successors, (6480), 25 states have internal predecessors, (6480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-09 15:01:29,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-12-09 15:01:29,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 367 [2023-12-09 15:01:29,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-12-09 15:01:48,913 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-09 15:01:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-12-09 15:01:49,031 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-12-09 15:01:49,031 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-09 15:01:49,031 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 256/367 universal loopers) in iteration 18,while PetriNetUnfolder was constructing finite prefix that currently has 263107 conditions, 26882 events (9269/26881 cut-off events. For 349443/387256 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 330827 event pairs, 162 based on Foata normal form. 424/27242 useless extension candidates. Maximal degree in co-relation 168615. Up to 7777 conditions per place.). [2023-12-09 15:01:49,032 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-12-09 15:01:49,040 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-12-09 15:01:49,040 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-12-09 15:01:49,041 INFO L457 BasicCegarLoop]: Path program histogram: [8, 7, 1, 1, 1] [2023-12-09 15:01:49,044 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-09 15:01:49,044 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-12-09 15:01:49,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:01:49 BasicIcfg [2023-12-09 15:01:49,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-09 15:01:49,047 INFO L158 Benchmark]: Toolchain (without parser) took 235565.75ms. Allocated memory was 295.7MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 245.8MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-09 15:01:49,047 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 246.4MB. Free memory is still 197.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-09 15:01:49,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4671.26ms. Allocated memory was 295.7MB in the beginning and 389.0MB in the end (delta: 93.3MB). Free memory was 245.8MB in the beginning and 250.3MB in the end (delta: -4.5MB). Peak memory consumption was 139.4MB. Max. memory is 8.0GB. [2023-12-09 15:01:49,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.83ms. Allocated memory is still 389.0MB. Free memory was 249.7MB in the beginning and 240.8MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-09 15:01:49,048 INFO L158 Benchmark]: Boogie Preprocessor took 51.65ms. Allocated memory is still 389.0MB. Free memory was 240.8MB in the beginning and 236.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-09 15:01:49,048 INFO L158 Benchmark]: RCFGBuilder took 798.48ms. Allocated memory is still 389.0MB. Free memory was 236.1MB in the beginning and 320.8MB in the end (delta: -84.7MB). Peak memory consumption was 50.5MB. Max. memory is 8.0GB. [2023-12-09 15:01:49,048 INFO L158 Benchmark]: TraceAbstraction took 229883.73ms. Allocated memory was 389.0MB in the beginning and 5.0GB in the end (delta: 4.6GB). Free memory was 320.3MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-12-09 15:01:49,049 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 246.4MB. Free memory is still 197.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4671.26ms. Allocated memory was 295.7MB in the beginning and 389.0MB in the end (delta: 93.3MB). Free memory was 245.8MB in the beginning and 250.3MB in the end (delta: -4.5MB). Peak memory consumption was 139.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 148.83ms. Allocated memory is still 389.0MB. Free memory was 249.7MB in the beginning and 240.8MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.65ms. Allocated memory is still 389.0MB. Free memory was 240.8MB in the beginning and 236.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 798.48ms. Allocated memory is still 389.0MB. Free memory was 236.1MB in the beginning and 320.8MB in the end (delta: -84.7MB). Peak memory consumption was 50.5MB. Max. memory is 8.0GB. * TraceAbstraction took 229883.73ms. Allocated memory was 389.0MB in the beginning and 5.0GB in the end (delta: 4.6GB). Free memory was 320.3MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 256/367 universal loopers) in iteration 18,while PetriNetUnfolder was constructing finite prefix that currently has 263107 conditions, 26882 events (9269/26881 cut-off events. For 349443/387256 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 330827 event pairs, 162 based on Foata normal form. 424/27242 useless extension candidates. Maximal degree in co-relation 168615. Up to 7777 conditions per place.). - TimeoutResultAtElement [Line: 6862]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 256/367 universal loopers) in iteration 18,while PetriNetUnfolder was constructing finite prefix that currently has 263107 conditions, 26882 events (9269/26881 cut-off events. For 349443/387256 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 330827 event pairs, 162 based on Foata normal form. 424/27242 useless extension candidates. Maximal degree in co-relation 168615. Up to 7777 conditions per place.). - TimeoutResultAtElement [Line: 6861]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (25states, 256/367 universal loopers) in iteration 18,while PetriNetUnfolder was constructing finite prefix that currently has 263107 conditions, 26882 events (9269/26881 cut-off events. For 349443/387256 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 330827 event pairs, 162 based on Foata normal form. 424/27242 useless extension candidates. Maximal degree in co-relation 168615. Up to 7777 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 502 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 229.8s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 211.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6966 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6966 mSDsluCounter, 18755 SdHoareTripleChecker+Invalid, 9.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16414 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20152 IncrementalHoareTripleChecker+Invalid, 20275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 2341 mSDtfsCounter, 20152 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 930 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 878 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10812 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246292occurred in iteration=17, InterpolantAutomatonStates: 660, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 4485 NumberOfCodeBlocks, 4485 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4467 ConstructedInterpolants, 0 QuantifiedInterpolants, 32198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown