/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 11:50:55,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 11:50:55,653 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 [2023-11-10 11:50:55,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 11:50:55,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 11:50:55,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 11:50:55,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 11:50:55,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 11:50:55,678 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 11:50:55,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 11:50:55,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 11:50:55,679 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 11:50:55,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 11:50:55,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 11:50:55,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 11:50:55,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 11:50:55,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 11:50:55,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 11:50:55,681 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 11:50:55,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 11:50:55,681 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 11:50:55,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 11:50:55,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 11:50:55,689 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 11:50:55,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 11:50:55,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:50:55,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 11:50:55,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 11:50:55,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 11:50:55,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 11:50:55,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 11:50:55,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 11:50:55,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 11:50:55,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 11:50:55,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 11:50:55,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 11:50:55,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 11:50:55,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 11:50:55,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 11:50:55,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2023-11-10 11:50:57,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 11:50:57,424 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 11:50:57,425 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2023-11-10 11:50:57,464 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce02309be/a706bd1dbad4456685512eba765f3569/FLAGe99281bf8 [2023-11-10 11:50:57,477 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce02309be/a706bd1dbad4456685512eba765f3569 [2023-11-10 11:50:57,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 11:50:57,483 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 11:50:57,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 11:50:57,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 11:50:57,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 11:50:57,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:50:57" (1/1) ... [2023-11-10 11:50:57,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a66377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:50:57, skipping insertion in model container [2023-11-10 11:50:57,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:50:57" (1/1) ... [2023-11-10 11:50:57,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 11:50:57,890 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_llseek_write_nvram.i[5469,5482] [2023-11-10 11:51:01,996 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:51:02,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:51:02,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 11:51:02,394 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_llseek_write_nvram.i[5469,5482] [2023-11-10 11:51:02,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:51:02,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:51:02,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:51:02,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:51:02,518 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:51:02,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-10 11:51:02,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:51:02,960 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:02,961 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:02,961 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:02,961 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:02,961 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:02,961 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:02,961 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:02,966 INFO L206 MainTranslator]: Completed translation [2023-11-10 11:51:02,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02 WrapperNode [2023-11-10 11:51:02,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 11:51:02,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 11:51:02,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 11:51:02,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 11:51:02,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,116 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 321 [2023-11-10 11:51:03,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 11:51:03,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 11:51:03,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 11:51:03,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 11:51:03,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 11:51:03,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 11:51:03,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 11:51:03,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 11:51:03,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (1/1) ... [2023-11-10 11:51:03,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:51:03,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:51:03,226 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) [2023-11-10 11:51:03,245 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 [2023-11-10 11:51:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-10 11:51:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 11:51:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-11-10 11:51:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-11-10 11:51:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 11:51:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2023-11-10 11:51:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2023-11-10 11:51:03,273 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-10 11:51:03,613 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 11:51:03,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 11:51:03,971 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 11:51:03,989 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 11:51:03,989 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-10 11:51:03,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:03 BoogieIcfgContainer [2023-11-10 11:51:03,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 11:51:03,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 11:51:04,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 11:51:04,002 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 11:51:04,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:50:57" (1/3) ... [2023-11-10 11:51:04,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c51493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:04, skipping insertion in model container [2023-11-10 11:51:04,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:02" (2/3) ... [2023-11-10 11:51:04,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c51493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:04, skipping insertion in model container [2023-11-10 11:51:04,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:03" (3/3) ... [2023-11-10 11:51:04,007 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_write_nvram.i [2023-11-10 11:51:04,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 11:51:04,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-10 11:51:04,020 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 11:51:04,116 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-10 11:51:04,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 361 places, 369 transitions, 752 flow [2023-11-10 11:51:04,266 INFO L124 PetriNetUnfolderBase]: 15/367 cut-off events. [2023-11-10 11:51:04,267 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-10 11:51:04,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 367 events. 15/367 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 348 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 299. Up to 5 conditions per place. [2023-11-10 11:51:04,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 361 places, 369 transitions, 752 flow [2023-11-10 11:51:04,279 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 350 places, 358 transitions, 725 flow [2023-11-10 11:51:04,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 11:51:04,290 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, 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;@6111c9db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 11:51:04,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-10 11:51:04,321 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 11:51:04,322 INFO L124 PetriNetUnfolderBase]: 7/270 cut-off events. [2023-11-10 11:51:04,322 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 11:51:04,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:04,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:04,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:04,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:04,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1182299296, now seen corresponding path program 1 times [2023-11-10 11:51:04,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:04,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826670566] [2023-11-10 11:51:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:04,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:05,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:05,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826670566] [2023-11-10 11:51:05,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826670566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:05,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:05,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-10 11:51:05,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049242270] [2023-11-10 11:51:05,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:05,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-10 11:51:05,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:05,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-10 11:51:05,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-10 11:51:05,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 369 [2023-11-10 11:51:05,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 358 transitions, 725 flow. Second operand has 6 states, 6 states have (on average 314.8333333333333) internal successors, (1889), 6 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:05,309 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:05,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 369 [2023-11-10 11:51:05,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:05,964 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][314], [297#L6705-1true, whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 373#(and (= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|) (not (= |whoop_wrapper_nvram_llseekThread1of1ForFork1___VERIFIER_assert_#in~cond#1| 0)) (= |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1093#1| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|))]) [2023-11-10 11:51:05,964 INFO L294 olderBase$Statistics]: this new event has 262 ancestors and is cut-off event [2023-11-10 11:51:05,965 INFO L297 olderBase$Statistics]: existing Event has 243 ancestors and is cut-off event [2023-11-10 11:51:05,965 INFO L297 olderBase$Statistics]: existing Event has 240 ancestors and is cut-off event [2023-11-10 11:51:05,965 INFO L297 olderBase$Statistics]: existing Event has 256 ancestors and is cut-off event [2023-11-10 11:51:05,968 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][314], [101#L172true, whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 373#(and (= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|) (not (= |whoop_wrapper_nvram_llseekThread1of1ForFork1___VERIFIER_assert_#in~cond#1| 0)) (= |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1093#1| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|))]) [2023-11-10 11:51:05,968 INFO L294 olderBase$Statistics]: this new event has 263 ancestors and is cut-off event [2023-11-10 11:51:05,968 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2023-11-10 11:51:05,968 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2023-11-10 11:51:05,968 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][317], [199#L173true, whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 375#(and (= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|) (not (= |whoop_wrapper_nvram_llseekThread1of1ForFork1___VERIFIER_assert_#in~cond#1| 0)) (not (= |whoop_wrapper_nvram_llseekThread1of1ForFork1___VERIFIER_assert_~cond#1| 0)) (= |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1093#1| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|))]) [2023-11-10 11:51:05,969 INFO L294 olderBase$Statistics]: this new event has 264 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L297 olderBase$Statistics]: existing Event has 258 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][317], [whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 294#L173-2true, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 375#(and (= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|) (not (= |whoop_wrapper_nvram_llseekThread1of1ForFork1___VERIFIER_assert_#in~cond#1| 0)) (not (= |whoop_wrapper_nvram_llseekThread1of1ForFork1___VERIFIER_assert_~cond#1| 0)) (= |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1093#1| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|))]) [2023-11-10 11:51:05,969 INFO L294 olderBase$Statistics]: this new event has 265 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L297 olderBase$Statistics]: existing Event has 259 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L297 olderBase$Statistics]: existing Event has 243 ancestors and is cut-off event [2023-11-10 11:51:05,969 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2023-11-10 11:51:05,974 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][313], [15#L6706true, whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 366#(= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|)]) [2023-11-10 11:51:05,975 INFO L294 olderBase$Statistics]: this new event has 268 ancestors and is cut-off event [2023-11-10 11:51:05,975 INFO L297 olderBase$Statistics]: existing Event has 249 ancestors and is cut-off event [2023-11-10 11:51:05,975 INFO L297 olderBase$Statistics]: existing Event has 246 ancestors and is cut-off event [2023-11-10 11:51:05,975 INFO L297 olderBase$Statistics]: existing Event has 262 ancestors and is cut-off event [2023-11-10 11:51:05,975 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][313], [106#L6706-1true, whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 366#(= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|)]) [2023-11-10 11:51:05,975 INFO L294 olderBase$Statistics]: this new event has 269 ancestors and is cut-off event [2023-11-10 11:51:05,975 INFO L297 olderBase$Statistics]: existing Event has 247 ancestors and is cut-off event [2023-11-10 11:51:05,975 INFO L297 olderBase$Statistics]: existing Event has 263 ancestors and is cut-off event [2023-11-10 11:51:05,975 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][314], [whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 373#(and (= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|) (not (= |whoop_wrapper_nvram_llseekThread1of1ForFork1___VERIFIER_assert_#in~cond#1| 0)) (= |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1093#1| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|)), 163#L6705-2true]) [2023-11-10 11:51:05,976 INFO L294 olderBase$Statistics]: this new event has 266 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L297 olderBase$Statistics]: existing Event has 247 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L297 olderBase$Statistics]: existing Event has 244 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L297 olderBase$Statistics]: existing Event has 260 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([960] whoop_wrapper_write_nvramEXIT-->L6863-2: Formula: (and (= |v_ULTIMATE.start_main_#t~mem1147#1_6| v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4) (= 0 v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4)) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar0_4, whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1=v_whoop_wrapper_write_nvramThread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem1147#1=|v_ULTIMATE.start_main_#t~mem1147#1_6|} AuxVars[] AssignedVars[][315], [whoop_wrapper_nvram_llseekThread1of1ForFork1InUse, 63#L6863-2true, whoop_wrapper_write_nvramThread1of1ForFork0NotInUse, 371#(and (= (select (select |#memory_int| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.base|) (+ 20 |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~file#1.offset|)) |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|) (= |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_#t~mem1093#1| |whoop_wrapper_nvram_llseekThread1of1ForFork1_nvram_llseek_~offset#1|)), 92#L6705-3true]) [2023-11-10 11:51:05,976 INFO L294 olderBase$Statistics]: this new event has 267 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L297 olderBase$Statistics]: existing Event has 261 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L297 olderBase$Statistics]: existing Event has 248 ancestors and is cut-off event [2023-11-10 11:51:05,976 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2023-11-10 11:51:05,979 INFO L124 PetriNetUnfolderBase]: 503/2442 cut-off events. [2023-11-10 11:51:05,979 INFO L125 PetriNetUnfolderBase]: For 226/287 co-relation queries the response was YES. [2023-11-10 11:51:05,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3370 conditions, 2442 events. 503/2442 cut-off events. For 226/287 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 19269 event pairs, 193 based on Foata normal form. 115/2342 useless extension candidates. Maximal degree in co-relation 2627. Up to 456 conditions per place. [2023-11-10 11:51:05,995 INFO L140 encePairwiseOnDemand]: 354/369 looper letters, 79 selfloop transitions, 19 changer transitions 17/413 dead transitions. [2023-11-10 11:51:05,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 413 transitions, 1087 flow [2023-11-10 11:51:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-10 11:51:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-10 11:51:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3222 transitions. [2023-11-10 11:51:06,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8731707317073171 [2023-11-10 11:51:06,012 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3222 transitions. [2023-11-10 11:51:06,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3222 transitions. [2023-11-10 11:51:06,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:06,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3222 transitions. [2023-11-10 11:51:06,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 322.2) internal successors, (3222), 10 states have internal predecessors, (3222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:06,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 369.0) internal successors, (4059), 11 states have internal predecessors, (4059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:06,042 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 369.0) internal successors, (4059), 11 states have internal predecessors, (4059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:06,043 INFO L175 Difference]: Start difference. First operand has 350 places, 358 transitions, 725 flow. Second operand 10 states and 3222 transitions. [2023-11-10 11:51:06,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 413 transitions, 1087 flow [2023-11-10 11:51:06,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 413 transitions, 1066 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:51:06,058 INFO L231 Difference]: Finished difference. Result has 358 places, 368 transitions, 815 flow [2023-11-10 11:51:06,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=815, PETRI_PLACES=358, PETRI_TRANSITIONS=368} [2023-11-10 11:51:06,063 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 8 predicate places. [2023-11-10 11:51:06,064 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 368 transitions, 815 flow [2023-11-10 11:51:06,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.8333333333333) internal successors, (1889), 6 states have internal predecessors, (1889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:06,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:06,065 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:06,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-10 11:51:06,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:06,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:06,066 INFO L85 PathProgramCache]: Analyzing trace with hash -774240703, now seen corresponding path program 1 times [2023-11-10 11:51:06,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:06,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354692476] [2023-11-10 11:51:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:06,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:06,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354692476] [2023-11-10 11:51:06,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354692476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:06,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:06,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-10 11:51:06,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997188793] [2023-11-10 11:51:06,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:06,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-10 11:51:06,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:06,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-10 11:51:06,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-10 11:51:06,546 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 369 [2023-11-10 11:51:06,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 368 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:06,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:06,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 369 [2023-11-10 11:51:06,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:07,336 INFO L124 PetriNetUnfolderBase]: 738/3169 cut-off events. [2023-11-10 11:51:07,336 INFO L125 PetriNetUnfolderBase]: For 483/548 co-relation queries the response was YES. [2023-11-10 11:51:07,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5233 conditions, 3169 events. 738/3169 cut-off events. For 483/548 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 25953 event pairs, 304 based on Foata normal form. 0/2971 useless extension candidates. Maximal degree in co-relation 5118. Up to 688 conditions per place. [2023-11-10 11:51:07,363 INFO L140 encePairwiseOnDemand]: 357/369 looper letters, 96 selfloop transitions, 24 changer transitions 12/436 dead transitions. [2023-11-10 11:51:07,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 436 transitions, 1273 flow [2023-11-10 11:51:07,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-10 11:51:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-10 11:51:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3204 transitions. [2023-11-10 11:51:07,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8682926829268293 [2023-11-10 11:51:07,370 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 3204 transitions. [2023-11-10 11:51:07,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 3204 transitions. [2023-11-10 11:51:07,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:07,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 3204 transitions. [2023-11-10 11:51:07,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 320.4) internal successors, (3204), 10 states have internal predecessors, (3204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:07,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 369.0) internal successors, (4059), 11 states have internal predecessors, (4059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:07,388 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 369.0) internal successors, (4059), 11 states have internal predecessors, (4059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:07,388 INFO L175 Difference]: Start difference. First operand has 358 places, 368 transitions, 815 flow. Second operand 10 states and 3204 transitions. [2023-11-10 11:51:07,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 436 transitions, 1273 flow [2023-11-10 11:51:07,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 436 transitions, 1273 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-10 11:51:07,401 INFO L231 Difference]: Finished difference. Result has 372 places, 381 transitions, 947 flow [2023-11-10 11:51:07,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=947, PETRI_PLACES=372, PETRI_TRANSITIONS=381} [2023-11-10 11:51:07,402 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 22 predicate places. [2023-11-10 11:51:07,402 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 381 transitions, 947 flow [2023-11-10 11:51:07,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.0) internal successors, (1884), 6 states have internal predecessors, (1884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:07,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:07,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:07,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-10 11:51:07,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:07,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:07,405 INFO L85 PathProgramCache]: Analyzing trace with hash -894922975, now seen corresponding path program 1 times [2023-11-10 11:51:07,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:07,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424394573] [2023-11-10 11:51:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:07,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:08,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:08,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424394573] [2023-11-10 11:51:08,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424394573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:08,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:08,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-10 11:51:08,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652824001] [2023-11-10 11:51:08,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:08,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-10 11:51:08,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:08,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-10 11:51:08,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-10 11:51:08,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2023-11-10 11:51:08,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 381 transitions, 947 flow. Second operand has 12 states, 12 states have (on average 284.1666666666667) internal successors, (3410), 12 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:08,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:08,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2023-11-10 11:51:08,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:09,026 INFO L124 PetriNetUnfolderBase]: 768/3455 cut-off events. [2023-11-10 11:51:09,027 INFO L125 PetriNetUnfolderBase]: For 1989/2063 co-relation queries the response was YES. [2023-11-10 11:51:09,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6430 conditions, 3455 events. 768/3455 cut-off events. For 1989/2063 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 28697 event pairs, 101 based on Foata normal form. 11/3273 useless extension candidates. Maximal degree in co-relation 6402. Up to 401 conditions per place. [2023-11-10 11:51:09,044 INFO L140 encePairwiseOnDemand]: 351/369 looper letters, 103 selfloop transitions, 25 changer transitions 48/454 dead transitions. [2023-11-10 11:51:09,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 454 transitions, 1608 flow [2023-11-10 11:51:09,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-10 11:51:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-10 11:51:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 4616 transitions. [2023-11-10 11:51:09,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7818428184281843 [2023-11-10 11:51:09,051 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 4616 transitions. [2023-11-10 11:51:09,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 4616 transitions. [2023-11-10 11:51:09,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:09,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 4616 transitions. [2023-11-10 11:51:09,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 288.5) internal successors, (4616), 16 states have internal predecessors, (4616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:09,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 369.0) internal successors, (6273), 17 states have internal predecessors, (6273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:09,069 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 369.0) internal successors, (6273), 17 states have internal predecessors, (6273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:09,069 INFO L175 Difference]: Start difference. First operand has 372 places, 381 transitions, 947 flow. Second operand 16 states and 4616 transitions. [2023-11-10 11:51:09,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 454 transitions, 1608 flow [2023-11-10 11:51:09,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 454 transitions, 1606 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-10 11:51:09,080 INFO L231 Difference]: Finished difference. Result has 391 places, 374 transitions, 1013 flow [2023-11-10 11:51:09,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=945, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1013, PETRI_PLACES=391, PETRI_TRANSITIONS=374} [2023-11-10 11:51:09,081 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 41 predicate places. [2023-11-10 11:51:09,081 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 374 transitions, 1013 flow [2023-11-10 11:51:09,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 284.1666666666667) internal successors, (3410), 12 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:09,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:09,083 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:09,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-10 11:51:09,083 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:09,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:09,083 INFO L85 PathProgramCache]: Analyzing trace with hash -33420166, now seen corresponding path program 1 times [2023-11-10 11:51:09,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:09,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635215302] [2023-11-10 11:51:09,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:09,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:10,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:10,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635215302] [2023-11-10 11:51:10,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635215302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:10,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:10,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:10,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358472355] [2023-11-10 11:51:10,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:10,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:10,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:10,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:10,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:10,308 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 369 [2023-11-10 11:51:10,320 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 374 transitions, 1013 flow. Second operand has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:10,320 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:10,320 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 369 [2023-11-10 11:51:10,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:12,452 INFO L124 PetriNetUnfolderBase]: 2037/7444 cut-off events. [2023-11-10 11:51:12,453 INFO L125 PetriNetUnfolderBase]: For 6590/6775 co-relation queries the response was YES. [2023-11-10 11:51:12,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15064 conditions, 7444 events. 2037/7444 cut-off events. For 6590/6775 co-relation queries the response was YES. Maximal size of possible extension queue 240. Compared 71305 event pairs, 244 based on Foata normal form. 34/6984 useless extension candidates. Maximal degree in co-relation 14972. Up to 768 conditions per place. [2023-11-10 11:51:12,500 INFO L140 encePairwiseOnDemand]: 343/369 looper letters, 182 selfloop transitions, 59 changer transitions 88/619 dead transitions. [2023-11-10 11:51:12,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 619 transitions, 2726 flow [2023-11-10 11:51:12,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-10 11:51:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-10 11:51:12,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9052 transitions. [2023-11-10 11:51:12,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8177055103884372 [2023-11-10 11:51:12,515 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 9052 transitions. [2023-11-10 11:51:12,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 9052 transitions. [2023-11-10 11:51:12,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:12,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 9052 transitions. [2023-11-10 11:51:12,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 301.73333333333335) internal successors, (9052), 30 states have internal predecessors, (9052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:12,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 369.0) internal successors, (11439), 31 states have internal predecessors, (11439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:12,582 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 369.0) internal successors, (11439), 31 states have internal predecessors, (11439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:12,582 INFO L175 Difference]: Start difference. First operand has 391 places, 374 transitions, 1013 flow. Second operand 30 states and 9052 transitions. [2023-11-10 11:51:12,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 619 transitions, 2726 flow [2023-11-10 11:51:12,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 619 transitions, 2629 flow, removed 7 selfloop flow, removed 11 redundant places. [2023-11-10 11:51:12,608 INFO L231 Difference]: Finished difference. Result has 417 places, 408 transitions, 1429 flow [2023-11-10 11:51:12,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=980, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1429, PETRI_PLACES=417, PETRI_TRANSITIONS=408} [2023-11-10 11:51:12,610 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 67 predicate places. [2023-11-10 11:51:12,610 INFO L495 AbstractCegarLoop]: Abstraction has has 417 places, 408 transitions, 1429 flow [2023-11-10 11:51:12,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:12,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:12,612 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:12,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-10 11:51:12,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:12,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1356668498, now seen corresponding path program 2 times [2023-11-10 11:51:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:12,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163481751] [2023-11-10 11:51:12,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:12,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:13,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:13,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163481751] [2023-11-10 11:51:13,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163481751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:13,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:13,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:13,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366320189] [2023-11-10 11:51:13,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:13,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:13,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:13,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:13,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:13,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 369 [2023-11-10 11:51:13,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 408 transitions, 1429 flow. Second operand has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:13,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:13,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 369 [2023-11-10 11:51:13,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:15,737 INFO L124 PetriNetUnfolderBase]: 2281/9651 cut-off events. [2023-11-10 11:51:15,737 INFO L125 PetriNetUnfolderBase]: For 17352/17660 co-relation queries the response was YES. [2023-11-10 11:51:15,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21179 conditions, 9651 events. 2281/9651 cut-off events. For 17352/17660 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 101886 event pairs, 165 based on Foata normal form. 54/9108 useless extension candidates. Maximal degree in co-relation 20635. Up to 833 conditions per place. [2023-11-10 11:51:15,801 INFO L140 encePairwiseOnDemand]: 346/369 looper letters, 172 selfloop transitions, 72 changer transitions 71/605 dead transitions. [2023-11-10 11:51:15,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 605 transitions, 3295 flow [2023-11-10 11:51:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-10 11:51:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-10 11:51:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 7842 transitions. [2023-11-10 11:51:15,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.817385866166354 [2023-11-10 11:51:15,812 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 7842 transitions. [2023-11-10 11:51:15,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 7842 transitions. [2023-11-10 11:51:15,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:15,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 7842 transitions. [2023-11-10 11:51:15,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 301.61538461538464) internal successors, (7842), 26 states have internal predecessors, (7842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:15,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:15,840 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:15,841 INFO L175 Difference]: Start difference. First operand has 417 places, 408 transitions, 1429 flow. Second operand 26 states and 7842 transitions. [2023-11-10 11:51:15,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 605 transitions, 3295 flow [2023-11-10 11:51:15,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 605 transitions, 3046 flow, removed 49 selfloop flow, removed 17 redundant places. [2023-11-10 11:51:15,938 INFO L231 Difference]: Finished difference. Result has 436 places, 424 transitions, 1728 flow [2023-11-10 11:51:15,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1288, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1728, PETRI_PLACES=436, PETRI_TRANSITIONS=424} [2023-11-10 11:51:15,941 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 86 predicate places. [2023-11-10 11:51:15,942 INFO L495 AbstractCegarLoop]: Abstraction has has 436 places, 424 transitions, 1728 flow [2023-11-10 11:51:15,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:15,943 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:15,943 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:15,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-10 11:51:15,943 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:15,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:15,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1129370256, now seen corresponding path program 3 times [2023-11-10 11:51:15,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:15,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463016946] [2023-11-10 11:51:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:15,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:16,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:16,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463016946] [2023-11-10 11:51:16,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463016946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:16,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:16,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:16,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404622506] [2023-11-10 11:51:16,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:16,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:16,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:16,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:16,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:16,820 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 369 [2023-11-10 11:51:16,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 424 transitions, 1728 flow. Second operand has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:16,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:16,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 369 [2023-11-10 11:51:16,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:18,755 INFO L124 PetriNetUnfolderBase]: 2338/8520 cut-off events. [2023-11-10 11:51:18,756 INFO L125 PetriNetUnfolderBase]: For 20383/21052 co-relation queries the response was YES. [2023-11-10 11:51:18,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20808 conditions, 8520 events. 2338/8520 cut-off events. For 20383/21052 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 84228 event pairs, 225 based on Foata normal form. 112/7940 useless extension candidates. Maximal degree in co-relation 20237. Up to 1190 conditions per place. [2023-11-10 11:51:18,828 INFO L140 encePairwiseOnDemand]: 346/369 looper letters, 162 selfloop transitions, 93 changer transitions 40/585 dead transitions. [2023-11-10 11:51:18,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 585 transitions, 3384 flow [2023-11-10 11:51:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-10 11:51:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-10 11:51:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6648 transitions. [2023-11-10 11:51:18,838 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8189209164818921 [2023-11-10 11:51:18,838 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 6648 transitions. [2023-11-10 11:51:18,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 6648 transitions. [2023-11-10 11:51:18,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:18,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6648 transitions. [2023-11-10 11:51:18,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 302.1818181818182) internal successors, (6648), 22 states have internal predecessors, (6648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:18,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:18,861 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:18,862 INFO L175 Difference]: Start difference. First operand has 436 places, 424 transitions, 1728 flow. Second operand 22 states and 6648 transitions. [2023-11-10 11:51:18,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 585 transitions, 3384 flow [2023-11-10 11:51:18,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 585 transitions, 3011 flow, removed 130 selfloop flow, removed 21 redundant places. [2023-11-10 11:51:18,953 INFO L231 Difference]: Finished difference. Result has 447 places, 451 transitions, 2153 flow [2023-11-10 11:51:18,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1523, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2153, PETRI_PLACES=447, PETRI_TRANSITIONS=451} [2023-11-10 11:51:18,956 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 97 predicate places. [2023-11-10 11:51:18,956 INFO L495 AbstractCegarLoop]: Abstraction has has 447 places, 451 transitions, 2153 flow [2023-11-10 11:51:18,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:18,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:18,957 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:18,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-10 11:51:18,958 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:18,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash -636433249, now seen corresponding path program 1 times [2023-11-10 11:51:18,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266882680] [2023-11-10 11:51:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:18,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:19,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:19,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266882680] [2023-11-10 11:51:19,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266882680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:19,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:19,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:19,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158066207] [2023-11-10 11:51:19,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:19,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:19,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:19,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:19,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:19,765 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:19,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 451 transitions, 2153 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:19,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:19,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:19,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:22,052 INFO L124 PetriNetUnfolderBase]: 3147/10837 cut-off events. [2023-11-10 11:51:22,053 INFO L125 PetriNetUnfolderBase]: For 36129/36477 co-relation queries the response was YES. [2023-11-10 11:51:22,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28810 conditions, 10837 events. 3147/10837 cut-off events. For 36129/36477 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 111996 event pairs, 657 based on Foata normal form. 66/10231 useless extension candidates. Maximal degree in co-relation 27323. Up to 2573 conditions per place. [2023-11-10 11:51:22,147 INFO L140 encePairwiseOnDemand]: 344/369 looper letters, 147 selfloop transitions, 47 changer transitions 113/620 dead transitions. [2023-11-10 11:51:22,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 620 transitions, 4091 flow [2023-11-10 11:51:22,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-10 11:51:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-10 11:51:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6322 transitions. [2023-11-10 11:51:22,152 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8158472060911085 [2023-11-10 11:51:22,152 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6322 transitions. [2023-11-10 11:51:22,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6322 transitions. [2023-11-10 11:51:22,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:22,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6322 transitions. [2023-11-10 11:51:22,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 301.04761904761904) internal successors, (6322), 21 states have internal predecessors, (6322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:22,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 369.0) internal successors, (8118), 22 states have internal predecessors, (8118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:22,167 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 369.0) internal successors, (8118), 22 states have internal predecessors, (8118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:22,167 INFO L175 Difference]: Start difference. First operand has 447 places, 451 transitions, 2153 flow. Second operand 21 states and 6322 transitions. [2023-11-10 11:51:22,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 620 transitions, 4091 flow [2023-11-10 11:51:22,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 620 transitions, 3758 flow, removed 42 selfloop flow, removed 13 redundant places. [2023-11-10 11:51:22,262 INFO L231 Difference]: Finished difference. Result has 466 places, 449 transitions, 2138 flow [2023-11-10 11:51:22,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1977, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2138, PETRI_PLACES=466, PETRI_TRANSITIONS=449} [2023-11-10 11:51:22,263 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 116 predicate places. [2023-11-10 11:51:22,264 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 449 transitions, 2138 flow [2023-11-10 11:51:22,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:22,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:22,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:22,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-10 11:51:22,265 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:22,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:22,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1763253878, now seen corresponding path program 4 times [2023-11-10 11:51:22,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:22,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47857446] [2023-11-10 11:51:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:22,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:23,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:23,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47857446] [2023-11-10 11:51:23,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47857446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:23,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:23,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:23,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785918650] [2023-11-10 11:51:23,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:23,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:23,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:23,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:23,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:23,088 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 369 [2023-11-10 11:51:23,091 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 449 transitions, 2138 flow. Second operand has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:23,091 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:23,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 369 [2023-11-10 11:51:23,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:25,558 INFO L124 PetriNetUnfolderBase]: 2630/9730 cut-off events. [2023-11-10 11:51:25,559 INFO L125 PetriNetUnfolderBase]: For 37034/37792 co-relation queries the response was YES. [2023-11-10 11:51:25,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26893 conditions, 9730 events. 2630/9730 cut-off events. For 37034/37792 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 100752 event pairs, 283 based on Foata normal form. 202/9197 useless extension candidates. Maximal degree in co-relation 25694. Up to 1045 conditions per place. [2023-11-10 11:51:25,635 INFO L140 encePairwiseOnDemand]: 346/369 looper letters, 203 selfloop transitions, 96 changer transitions 39/628 dead transitions. [2023-11-10 11:51:25,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 628 transitions, 4065 flow [2023-11-10 11:51:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-10 11:51:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-10 11:51:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 7855 transitions. [2023-11-10 11:51:25,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8187408797164895 [2023-11-10 11:51:25,640 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 7855 transitions. [2023-11-10 11:51:25,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 7855 transitions. [2023-11-10 11:51:25,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:25,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 7855 transitions. [2023-11-10 11:51:25,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 302.11538461538464) internal successors, (7855), 26 states have internal predecessors, (7855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:25,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:25,659 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:25,659 INFO L175 Difference]: Start difference. First operand has 466 places, 449 transitions, 2138 flow. Second operand 26 states and 7855 transitions. [2023-11-10 11:51:25,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 628 transitions, 4065 flow [2023-11-10 11:51:25,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 628 transitions, 3886 flow, removed 47 selfloop flow, removed 13 redundant places. [2023-11-10 11:51:25,753 INFO L231 Difference]: Finished difference. Result has 484 places, 461 transitions, 2545 flow [2023-11-10 11:51:25,754 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=2052, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=2545, PETRI_PLACES=484, PETRI_TRANSITIONS=461} [2023-11-10 11:51:25,755 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 134 predicate places. [2023-11-10 11:51:25,755 INFO L495 AbstractCegarLoop]: Abstraction has has 484 places, 461 transitions, 2545 flow [2023-11-10 11:51:25,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:25,756 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:25,756 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:25,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-10 11:51:25,756 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:25,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:25,756 INFO L85 PathProgramCache]: Analyzing trace with hash -113959140, now seen corresponding path program 5 times [2023-11-10 11:51:25,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:25,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256348777] [2023-11-10 11:51:25,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:25,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:26,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:26,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256348777] [2023-11-10 11:51:26,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256348777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:26,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:26,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:26,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212367463] [2023-11-10 11:51:26,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:26,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:26,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:26,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:26,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:26,373 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 369 [2023-11-10 11:51:26,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 461 transitions, 2545 flow. Second operand has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:26,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:26,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 369 [2023-11-10 11:51:26,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:28,907 INFO L124 PetriNetUnfolderBase]: 2918/10748 cut-off events. [2023-11-10 11:51:28,907 INFO L125 PetriNetUnfolderBase]: For 47873/48679 co-relation queries the response was YES. [2023-11-10 11:51:28,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31168 conditions, 10748 events. 2918/10748 cut-off events. For 47873/48679 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 114917 event pairs, 342 based on Foata normal form. 223/10163 useless extension candidates. Maximal degree in co-relation 30484. Up to 1362 conditions per place. [2023-11-10 11:51:29,022 INFO L140 encePairwiseOnDemand]: 346/369 looper letters, 196 selfloop transitions, 116 changer transitions 43/645 dead transitions. [2023-11-10 11:51:29,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 509 places, 645 transitions, 4720 flow [2023-11-10 11:51:29,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-10 11:51:29,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-10 11:51:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 7856 transitions. [2023-11-10 11:51:29,028 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8188451115280384 [2023-11-10 11:51:29,028 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 7856 transitions. [2023-11-10 11:51:29,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 7856 transitions. [2023-11-10 11:51:29,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:29,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 7856 transitions. [2023-11-10 11:51:29,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 302.15384615384613) internal successors, (7856), 26 states have internal predecessors, (7856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:29,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:29,046 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:29,046 INFO L175 Difference]: Start difference. First operand has 484 places, 461 transitions, 2545 flow. Second operand 26 states and 7856 transitions. [2023-11-10 11:51:29,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 509 places, 645 transitions, 4720 flow [2023-11-10 11:51:29,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 645 transitions, 4333 flow, removed 60 selfloop flow, removed 28 redundant places. [2023-11-10 11:51:29,214 INFO L231 Difference]: Finished difference. Result has 497 places, 478 transitions, 2986 flow [2023-11-10 11:51:29,215 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=2270, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=2986, PETRI_PLACES=497, PETRI_TRANSITIONS=478} [2023-11-10 11:51:29,215 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 147 predicate places. [2023-11-10 11:51:29,215 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 478 transitions, 2986 flow [2023-11-10 11:51:29,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:29,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:29,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:29,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-10 11:51:29,217 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:29,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1317895777, now seen corresponding path program 2 times [2023-11-10 11:51:29,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:29,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799259813] [2023-11-10 11:51:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:29,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:29,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:29,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799259813] [2023-11-10 11:51:29,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799259813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:29,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:29,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:29,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742788003] [2023-11-10 11:51:29,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:29,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:29,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:29,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:29,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 478 transitions, 2986 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:29,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:29,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:29,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:32,659 INFO L124 PetriNetUnfolderBase]: 3578/12423 cut-off events. [2023-11-10 11:51:32,659 INFO L125 PetriNetUnfolderBase]: For 69361/69785 co-relation queries the response was YES. [2023-11-10 11:51:32,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37255 conditions, 12423 events. 3578/12423 cut-off events. For 69361/69785 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 132541 event pairs, 608 based on Foata normal form. 103/11659 useless extension candidates. Maximal degree in co-relation 35457. Up to 2575 conditions per place. [2023-11-10 11:51:32,791 INFO L140 encePairwiseOnDemand]: 344/369 looper letters, 187 selfloop transitions, 78 changer transitions 95/683 dead transitions. [2023-11-10 11:51:32,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 683 transitions, 5389 flow [2023-11-10 11:51:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-10 11:51:32,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-11-10 11:51:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 7531 transitions. [2023-11-10 11:51:32,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8163685636856368 [2023-11-10 11:51:32,797 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 7531 transitions. [2023-11-10 11:51:32,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 7531 transitions. [2023-11-10 11:51:32,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:32,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 7531 transitions. [2023-11-10 11:51:32,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 301.24) internal successors, (7531), 25 states have internal predecessors, (7531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:32,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 369.0) internal successors, (9594), 26 states have internal predecessors, (9594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:32,813 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 369.0) internal successors, (9594), 26 states have internal predecessors, (9594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:32,813 INFO L175 Difference]: Start difference. First operand has 497 places, 478 transitions, 2986 flow. Second operand 25 states and 7531 transitions. [2023-11-10 11:51:32,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 683 transitions, 5389 flow [2023-11-10 11:51:33,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 683 transitions, 4892 flow, removed 80 selfloop flow, removed 25 redundant places. [2023-11-10 11:51:33,063 INFO L231 Difference]: Finished difference. Result has 508 places, 490 transitions, 2998 flow [2023-11-10 11:51:33,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=2620, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=2998, PETRI_PLACES=508, PETRI_TRANSITIONS=490} [2023-11-10 11:51:33,065 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 158 predicate places. [2023-11-10 11:51:33,065 INFO L495 AbstractCegarLoop]: Abstraction has has 508 places, 490 transitions, 2998 flow [2023-11-10 11:51:33,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:33,066 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:33,066 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:33,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-10 11:51:33,068 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:33,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:33,068 INFO L85 PathProgramCache]: Analyzing trace with hash 431258296, now seen corresponding path program 6 times [2023-11-10 11:51:33,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:33,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559134711] [2023-11-10 11:51:33,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:33,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:33,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:33,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559134711] [2023-11-10 11:51:33,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559134711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:33,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:33,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:33,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691402380] [2023-11-10 11:51:33,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:33,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:33,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:33,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:33,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:33,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 369 [2023-11-10 11:51:33,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 490 transitions, 2998 flow. Second operand has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:33,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:33,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 369 [2023-11-10 11:51:33,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:36,399 INFO L124 PetriNetUnfolderBase]: 2804/10442 cut-off events. [2023-11-10 11:51:36,399 INFO L125 PetriNetUnfolderBase]: For 61240/62072 co-relation queries the response was YES. [2023-11-10 11:51:36,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31767 conditions, 10442 events. 2804/10442 cut-off events. For 61240/62072 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 111162 event pairs, 283 based on Foata normal form. 290/9927 useless extension candidates. Maximal degree in co-relation 31027. Up to 1228 conditions per place. [2023-11-10 11:51:36,481 INFO L140 encePairwiseOnDemand]: 346/369 looper letters, 213 selfloop transitions, 102 changer transitions 75/675 dead transitions. [2023-11-10 11:51:36,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 675 transitions, 5154 flow [2023-11-10 11:51:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-10 11:51:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-11-10 11:51:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9051 transitions. [2023-11-10 11:51:36,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8176151761517615 [2023-11-10 11:51:36,488 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 9051 transitions. [2023-11-10 11:51:36,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 9051 transitions. [2023-11-10 11:51:36,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:36,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 9051 transitions. [2023-11-10 11:51:36,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 301.7) internal successors, (9051), 30 states have internal predecessors, (9051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:36,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 369.0) internal successors, (11439), 31 states have internal predecessors, (11439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:36,510 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 369.0) internal successors, (11439), 31 states have internal predecessors, (11439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:36,510 INFO L175 Difference]: Start difference. First operand has 508 places, 490 transitions, 2998 flow. Second operand 30 states and 9051 transitions. [2023-11-10 11:51:36,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 675 transitions, 5154 flow [2023-11-10 11:51:36,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 675 transitions, 4646 flow, removed 77 selfloop flow, removed 27 redundant places. [2023-11-10 11:51:36,880 INFO L231 Difference]: Finished difference. Result has 520 places, 468 transitions, 2732 flow [2023-11-10 11:51:36,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=2695, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2732, PETRI_PLACES=520, PETRI_TRANSITIONS=468} [2023-11-10 11:51:36,881 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 170 predicate places. [2023-11-10 11:51:36,881 INFO L495 AbstractCegarLoop]: Abstraction has has 520 places, 468 transitions, 2732 flow [2023-11-10 11:51:36,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:36,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:36,882 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:36,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-10 11:51:36,882 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:36,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash -743772077, now seen corresponding path program 3 times [2023-11-10 11:51:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:36,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326315041] [2023-11-10 11:51:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:36,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:37,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:37,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326315041] [2023-11-10 11:51:37,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326315041] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:37,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:37,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:37,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509717257] [2023-11-10 11:51:37,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:37,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:37,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:37,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:37,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:37,649 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:37,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 468 transitions, 2732 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:37,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:37,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:37,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:40,401 INFO L124 PetriNetUnfolderBase]: 3026/11349 cut-off events. [2023-11-10 11:51:40,401 INFO L125 PetriNetUnfolderBase]: For 49776/50020 co-relation queries the response was YES. [2023-11-10 11:51:40,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30145 conditions, 11349 events. 3026/11349 cut-off events. For 49776/50020 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 121684 event pairs, 578 based on Foata normal form. 52/10505 useless extension candidates. Maximal degree in co-relation 29694. Up to 1797 conditions per place. [2023-11-10 11:51:40,501 INFO L140 encePairwiseOnDemand]: 345/369 looper letters, 186 selfloop transitions, 60 changer transitions 72/641 dead transitions. [2023-11-10 11:51:40,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 641 transitions, 4677 flow [2023-11-10 11:51:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-10 11:51:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-10 11:51:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6352 transitions. [2023-11-10 11:51:40,505 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8197186733772099 [2023-11-10 11:51:40,506 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6352 transitions. [2023-11-10 11:51:40,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6352 transitions. [2023-11-10 11:51:40,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:40,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6352 transitions. [2023-11-10 11:51:40,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 302.4761904761905) internal successors, (6352), 21 states have internal predecessors, (6352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:40,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 369.0) internal successors, (8118), 22 states have internal predecessors, (8118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:40,517 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 369.0) internal successors, (8118), 22 states have internal predecessors, (8118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:40,517 INFO L175 Difference]: Start difference. First operand has 520 places, 468 transitions, 2732 flow. Second operand 21 states and 6352 transitions. [2023-11-10 11:51:40,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 641 transitions, 4677 flow [2023-11-10 11:51:40,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 641 transitions, 4094 flow, removed 100 selfloop flow, removed 46 redundant places. [2023-11-10 11:51:40,667 INFO L231 Difference]: Finished difference. Result has 498 places, 486 transitions, 2725 flow [2023-11-10 11:51:40,668 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=2320, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2725, PETRI_PLACES=498, PETRI_TRANSITIONS=486} [2023-11-10 11:51:40,668 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 148 predicate places. [2023-11-10 11:51:40,668 INFO L495 AbstractCegarLoop]: Abstraction has has 498 places, 486 transitions, 2725 flow [2023-11-10 11:51:40,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:40,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:40,669 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:40,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-10 11:51:40,669 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:40,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:40,670 INFO L85 PathProgramCache]: Analyzing trace with hash 504693673, now seen corresponding path program 4 times [2023-11-10 11:51:40,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:40,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486694119] [2023-11-10 11:51:40,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:41,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:41,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486694119] [2023-11-10 11:51:41,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486694119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:41,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:41,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:41,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119526522] [2023-11-10 11:51:41,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:41,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:41,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:41,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:41,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:41,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:41,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 486 transitions, 2725 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:41,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:41,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:41,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:44,158 INFO L124 PetriNetUnfolderBase]: 3035/11248 cut-off events. [2023-11-10 11:51:44,158 INFO L125 PetriNetUnfolderBase]: For 45888/46168 co-relation queries the response was YES. [2023-11-10 11:51:44,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29017 conditions, 11248 events. 3035/11248 cut-off events. For 45888/46168 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 119691 event pairs, 540 based on Foata normal form. 64/10392 useless extension candidates. Maximal degree in co-relation 28142. Up to 1847 conditions per place. [2023-11-10 11:51:44,249 INFO L140 encePairwiseOnDemand]: 345/369 looper letters, 195 selfloop transitions, 69 changer transitions 68/655 dead transitions. [2023-11-10 11:51:44,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 519 places, 655 transitions, 4560 flow [2023-11-10 11:51:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-10 11:51:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-10 11:51:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6660 transitions. [2023-11-10 11:51:44,254 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8203991130820399 [2023-11-10 11:51:44,254 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 6660 transitions. [2023-11-10 11:51:44,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 6660 transitions. [2023-11-10 11:51:44,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:44,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6660 transitions. [2023-11-10 11:51:44,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 302.72727272727275) internal successors, (6660), 22 states have internal predecessors, (6660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:44,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:44,344 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:44,344 INFO L175 Difference]: Start difference. First operand has 498 places, 486 transitions, 2725 flow. Second operand 22 states and 6660 transitions. [2023-11-10 11:51:44,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 519 places, 655 transitions, 4560 flow [2023-11-10 11:51:44,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 655 transitions, 4279 flow, removed 62 selfloop flow, removed 21 redundant places. [2023-11-10 11:51:44,509 INFO L231 Difference]: Finished difference. Result has 510 places, 492 transitions, 2839 flow [2023-11-10 11:51:44,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=2564, PETRI_DIFFERENCE_MINUEND_PLACES=477, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2839, PETRI_PLACES=510, PETRI_TRANSITIONS=492} [2023-11-10 11:51:44,510 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 160 predicate places. [2023-11-10 11:51:44,510 INFO L495 AbstractCegarLoop]: Abstraction has has 510 places, 492 transitions, 2839 flow [2023-11-10 11:51:44,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:44,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:44,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:44,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-10 11:51:44,511 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:44,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:44,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1532357313, now seen corresponding path program 5 times [2023-11-10 11:51:44,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:44,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390953421] [2023-11-10 11:51:44,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:44,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:45,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:45,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390953421] [2023-11-10 11:51:45,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390953421] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:45,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:45,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:45,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124577439] [2023-11-10 11:51:45,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:45,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:45,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:45,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:45,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:45,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:45,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 492 transitions, 2839 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:45,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:45,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:45,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:48,218 INFO L124 PetriNetUnfolderBase]: 2945/11060 cut-off events. [2023-11-10 11:51:48,218 INFO L125 PetriNetUnfolderBase]: For 44978/45248 co-relation queries the response was YES. [2023-11-10 11:51:48,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28063 conditions, 11060 events. 2945/11060 cut-off events. For 44978/45248 co-relation queries the response was YES. Maximal size of possible extension queue 385. Compared 117717 event pairs, 522 based on Foata normal form. 64/10228 useless extension candidates. Maximal degree in co-relation 27186. Up to 1833 conditions per place. [2023-11-10 11:51:48,305 INFO L140 encePairwiseOnDemand]: 343/369 looper letters, 136 selfloop transitions, 36 changer transitions 178/663 dead transitions. [2023-11-10 11:51:48,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 663 transitions, 4640 flow [2023-11-10 11:51:48,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-10 11:51:48,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-10 11:51:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 8408 transitions. [2023-11-10 11:51:48,310 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8137824235385211 [2023-11-10 11:51:48,310 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 8408 transitions. [2023-11-10 11:51:48,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 8408 transitions. [2023-11-10 11:51:48,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:48,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 8408 transitions. [2023-11-10 11:51:48,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 300.2857142857143) internal successors, (8408), 28 states have internal predecessors, (8408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:48,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 369.0) internal successors, (10701), 29 states have internal predecessors, (10701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:48,322 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 369.0) internal successors, (10701), 29 states have internal predecessors, (10701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:48,322 INFO L175 Difference]: Start difference. First operand has 510 places, 492 transitions, 2839 flow. Second operand 28 states and 8408 transitions. [2023-11-10 11:51:48,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 663 transitions, 4640 flow [2023-11-10 11:51:48,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 663 transitions, 4360 flow, removed 71 selfloop flow, removed 22 redundant places. [2023-11-10 11:51:48,567 INFO L231 Difference]: Finished difference. Result has 527 places, 438 transitions, 2076 flow [2023-11-10 11:51:48,568 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=2679, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=492, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=2076, PETRI_PLACES=527, PETRI_TRANSITIONS=438} [2023-11-10 11:51:48,568 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 177 predicate places. [2023-11-10 11:51:48,568 INFO L495 AbstractCegarLoop]: Abstraction has has 527 places, 438 transitions, 2076 flow [2023-11-10 11:51:48,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:48,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:48,569 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:48,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-10 11:51:48,569 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:48,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:48,570 INFO L85 PathProgramCache]: Analyzing trace with hash 763417751, now seen corresponding path program 6 times [2023-11-10 11:51:48,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:48,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235400183] [2023-11-10 11:51:48,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:48,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:49,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:49,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235400183] [2023-11-10 11:51:49,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235400183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:49,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:49,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-10 11:51:49,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923727656] [2023-11-10 11:51:49,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:49,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-10 11:51:49,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:49,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-10 11:51:49,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-10 11:51:49,411 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 369 [2023-11-10 11:51:49,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 438 transitions, 2076 flow. Second operand has 17 states, 17 states have (on average 275.11764705882354) internal successors, (4677), 17 states have internal predecessors, (4677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:49,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:49,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 369 [2023-11-10 11:51:49,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:51,480 INFO L124 PetriNetUnfolderBase]: 1926/7589 cut-off events. [2023-11-10 11:51:51,481 INFO L125 PetriNetUnfolderBase]: For 31233/31411 co-relation queries the response was YES. [2023-11-10 11:51:51,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19263 conditions, 7589 events. 1926/7589 cut-off events. For 31233/31411 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 74466 event pairs, 408 based on Foata normal form. 45/7125 useless extension candidates. Maximal degree in co-relation 19194. Up to 1683 conditions per place. [2023-11-10 11:51:51,541 INFO L140 encePairwiseOnDemand]: 345/369 looper letters, 127 selfloop transitions, 42 changer transitions 88/547 dead transitions. [2023-11-10 11:51:51,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 547 transitions, 3476 flow [2023-11-10 11:51:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-10 11:51:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-10 11:51:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6162 transitions. [2023-11-10 11:51:51,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7590539541759054 [2023-11-10 11:51:51,545 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 6162 transitions. [2023-11-10 11:51:51,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 6162 transitions. [2023-11-10 11:51:51,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:51,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6162 transitions. [2023-11-10 11:51:51,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 280.09090909090907) internal successors, (6162), 22 states have internal predecessors, (6162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:51,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:51,629 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:51,630 INFO L175 Difference]: Start difference. First operand has 527 places, 438 transitions, 2076 flow. Second operand 22 states and 6162 transitions. [2023-11-10 11:51:51,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 547 transitions, 3476 flow [2023-11-10 11:51:51,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 547 transitions, 3035 flow, removed 75 selfloop flow, removed 45 redundant places. [2023-11-10 11:51:51,697 INFO L231 Difference]: Finished difference. Result has 473 places, 422 transitions, 1791 flow [2023-11-10 11:51:51,697 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1825, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1791, PETRI_PLACES=473, PETRI_TRANSITIONS=422} [2023-11-10 11:51:51,698 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 123 predicate places. [2023-11-10 11:51:51,698 INFO L495 AbstractCegarLoop]: Abstraction has has 473 places, 422 transitions, 1791 flow [2023-11-10 11:51:51,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 275.11764705882354) internal successors, (4677), 17 states have internal predecessors, (4677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:51,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:51,699 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:51,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-10 11:51:51,699 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:51,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1447476100, now seen corresponding path program 7 times [2023-11-10 11:51:51,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:51,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519256003] [2023-11-10 11:51:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:51,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:52,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:52,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519256003] [2023-11-10 11:51:52,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519256003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:52,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:52,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:52,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738958823] [2023-11-10 11:51:52,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:52,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:52,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:52,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:52,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:52,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 369 [2023-11-10 11:51:52,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 473 places, 422 transitions, 1791 flow. Second operand has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:52,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:52,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 369 [2023-11-10 11:51:52,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:53,748 INFO L124 PetriNetUnfolderBase]: 1516/5934 cut-off events. [2023-11-10 11:51:53,749 INFO L125 PetriNetUnfolderBase]: For 22178/22506 co-relation queries the response was YES. [2023-11-10 11:51:53,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15363 conditions, 5934 events. 1516/5934 cut-off events. For 22178/22506 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 55021 event pairs, 68 based on Foata normal form. 152/5693 useless extension candidates. Maximal degree in co-relation 15306. Up to 503 conditions per place. [2023-11-10 11:51:53,792 INFO L140 encePairwiseOnDemand]: 347/369 looper letters, 165 selfloop transitions, 75 changer transitions 47/565 dead transitions. [2023-11-10 11:51:53,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 565 transitions, 3376 flow [2023-11-10 11:51:53,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-10 11:51:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-10 11:51:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 7833 transitions. [2023-11-10 11:51:53,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.816447779862414 [2023-11-10 11:51:53,797 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 7833 transitions. [2023-11-10 11:51:53,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 7833 transitions. [2023-11-10 11:51:53,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:53,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 7833 transitions. [2023-11-10 11:51:53,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 301.2692307692308) internal successors, (7833), 26 states have internal predecessors, (7833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:53,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:53,809 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:53,810 INFO L175 Difference]: Start difference. First operand has 473 places, 422 transitions, 1791 flow. Second operand 26 states and 7833 transitions. [2023-11-10 11:51:53,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 565 transitions, 3376 flow [2023-11-10 11:51:53,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 565 transitions, 2630 flow, removed 144 selfloop flow, removed 52 redundant places. [2023-11-10 11:51:53,866 INFO L231 Difference]: Finished difference. Result has 437 places, 413 transitions, 1649 flow [2023-11-10 11:51:53,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1444, PETRI_DIFFERENCE_MINUEND_PLACES=405, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1649, PETRI_PLACES=437, PETRI_TRANSITIONS=413} [2023-11-10 11:51:53,867 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 87 predicate places. [2023-11-10 11:51:53,867 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 413 transitions, 1649 flow [2023-11-10 11:51:53,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 295.4) internal successors, (4431), 15 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:53,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:53,868 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:53,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-10 11:51:53,869 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:53,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:53,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2108881799, now seen corresponding path program 7 times [2023-11-10 11:51:53,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:53,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111388892] [2023-11-10 11:51:53,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:53,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:54,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:54,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111388892] [2023-11-10 11:51:54,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111388892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:54,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:54,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:54,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635680598] [2023-11-10 11:51:54,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:54,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:54,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:54,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:54,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:54,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:54,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 413 transitions, 1649 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:54,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:54,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:54,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:55,817 INFO L124 PetriNetUnfolderBase]: 1491/5692 cut-off events. [2023-11-10 11:51:55,818 INFO L125 PetriNetUnfolderBase]: For 12918/13054 co-relation queries the response was YES. [2023-11-10 11:51:55,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13155 conditions, 5692 events. 1491/5692 cut-off events. For 12918/13054 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 51096 event pairs, 159 based on Foata normal form. 51/5376 useless extension candidates. Maximal degree in co-relation 13123. Up to 844 conditions per place. [2023-11-10 11:51:55,849 INFO L140 encePairwiseOnDemand]: 346/369 looper letters, 132 selfloop transitions, 51 changer transitions 102/564 dead transitions. [2023-11-10 11:51:55,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 564 transitions, 2884 flow [2023-11-10 11:51:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-10 11:51:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-10 11:51:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 7796 transitions. [2023-11-10 11:51:55,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8125912028351052 [2023-11-10 11:51:55,853 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 7796 transitions. [2023-11-10 11:51:55,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 7796 transitions. [2023-11-10 11:51:55,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:55,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 7796 transitions. [2023-11-10 11:51:55,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 299.84615384615387) internal successors, (7796), 26 states have internal predecessors, (7796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:55,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:55,864 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 369.0) internal successors, (9963), 27 states have internal predecessors, (9963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:55,864 INFO L175 Difference]: Start difference. First operand has 437 places, 413 transitions, 1649 flow. Second operand 26 states and 7796 transitions. [2023-11-10 11:51:55,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 564 transitions, 2884 flow [2023-11-10 11:51:55,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 564 transitions, 2461 flow, removed 49 selfloop flow, removed 38 redundant places. [2023-11-10 11:51:55,893 INFO L231 Difference]: Finished difference. Result has 429 places, 394 transitions, 1402 flow [2023-11-10 11:51:55,893 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1402, PETRI_PLACES=429, PETRI_TRANSITIONS=394} [2023-11-10 11:51:55,894 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 79 predicate places. [2023-11-10 11:51:55,894 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 394 transitions, 1402 flow [2023-11-10 11:51:55,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:55,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:55,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:55,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-10 11:51:55,895 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:55,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1669805469, now seen corresponding path program 8 times [2023-11-10 11:51:55,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:55,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500090955] [2023-11-10 11:51:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:55,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:56,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:56,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500090955] [2023-11-10 11:51:56,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500090955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:56,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:56,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:56,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808674876] [2023-11-10 11:51:56,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:56,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:56,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:56,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:56,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:56,434 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:56,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 394 transitions, 1402 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:56,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:56,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:56,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:57,484 INFO L124 PetriNetUnfolderBase]: 1096/4295 cut-off events. [2023-11-10 11:51:57,485 INFO L125 PetriNetUnfolderBase]: For 6948/7076 co-relation queries the response was YES. [2023-11-10 11:51:57,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9008 conditions, 4295 events. 1096/4295 cut-off events. For 6948/7076 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 36427 event pairs, 127 based on Foata normal form. 53/4049 useless extension candidates. Maximal degree in co-relation 8979. Up to 676 conditions per place. [2023-11-10 11:51:57,508 INFO L140 encePairwiseOnDemand]: 346/369 looper letters, 74 selfloop transitions, 23 changer transitions 114/485 dead transitions. [2023-11-10 11:51:57,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 485 transitions, 2214 flow [2023-11-10 11:51:57,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-10 11:51:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-10 11:51:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6583 transitions. [2023-11-10 11:51:57,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8109140182310914 [2023-11-10 11:51:57,512 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 6583 transitions. [2023-11-10 11:51:57,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 6583 transitions. [2023-11-10 11:51:57,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:57,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6583 transitions. [2023-11-10 11:51:57,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 299.22727272727275) internal successors, (6583), 22 states have internal predecessors, (6583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:57,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:57,521 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:57,521 INFO L175 Difference]: Start difference. First operand has 429 places, 394 transitions, 1402 flow. Second operand 22 states and 6583 transitions. [2023-11-10 11:51:57,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 485 transitions, 2214 flow [2023-11-10 11:51:57,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 485 transitions, 1979 flow, removed 54 selfloop flow, removed 26 redundant places. [2023-11-10 11:51:57,540 INFO L231 Difference]: Finished difference. Result has 420 places, 352 transitions, 966 flow [2023-11-10 11:51:57,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=966, PETRI_PLACES=420, PETRI_TRANSITIONS=352} [2023-11-10 11:51:57,541 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 70 predicate places. [2023-11-10 11:51:57,541 INFO L495 AbstractCegarLoop]: Abstraction has has 420 places, 352 transitions, 966 flow [2023-11-10 11:51:57,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:57,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:57,542 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:57,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-10 11:51:57,542 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-10 11:51:57,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:57,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1598863391, now seen corresponding path program 9 times [2023-11-10 11:51:57,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:57,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297132465] [2023-11-10 11:51:57,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:57,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:51:58,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:58,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297132465] [2023-11-10 11:51:58,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297132465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:58,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:58,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-11-10 11:51:58,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74851287] [2023-11-10 11:51:58,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:58,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:58,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:58,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:58,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-10 11:51:58,101 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 369 [2023-11-10 11:51:58,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 352 transitions, 966 flow. Second operand has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:58,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:58,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 369 [2023-11-10 11:51:58,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:58,726 INFO L124 PetriNetUnfolderBase]: 392/1664 cut-off events. [2023-11-10 11:51:58,726 INFO L125 PetriNetUnfolderBase]: For 2138/2154 co-relation queries the response was YES. [2023-11-10 11:51:58,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3393 conditions, 1664 events. 392/1664 cut-off events. For 2138/2154 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 10185 event pairs, 50 based on Foata normal form. 21/1613 useless extension candidates. Maximal degree in co-relation 3364. Up to 226 conditions per place. [2023-11-10 11:51:58,734 INFO L140 encePairwiseOnDemand]: 347/369 looper letters, 0 selfloop transitions, 0 changer transitions 426/426 dead transitions. [2023-11-10 11:51:58,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 426 transitions, 1597 flow [2023-11-10 11:51:58,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-10 11:51:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-10 11:51:58,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 6545 transitions. [2023-11-10 11:51:58,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8062330623306233 [2023-11-10 11:51:58,737 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 6545 transitions. [2023-11-10 11:51:58,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 6545 transitions. [2023-11-10 11:51:58,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:58,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 6545 transitions. [2023-11-10 11:51:58,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 297.5) internal successors, (6545), 22 states have internal predecessors, (6545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:58,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:58,746 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 369.0) internal successors, (8487), 23 states have internal predecessors, (8487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:58,746 INFO L175 Difference]: Start difference. First operand has 420 places, 352 transitions, 966 flow. Second operand 22 states and 6545 transitions. [2023-11-10 11:51:58,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 426 transitions, 1597 flow [2023-11-10 11:51:58,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 426 transitions, 1328 flow, removed 29 selfloop flow, removed 36 redundant places. [2023-11-10 11:51:58,753 INFO L231 Difference]: Finished difference. Result has 376 places, 0 transitions, 0 flow [2023-11-10 11:51:58,754 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=0, PETRI_PLACES=376, PETRI_TRANSITIONS=0} [2023-11-10 11:51:58,754 INFO L281 CegarLoopForPetriNet]: 350 programPoint places, 26 predicate places. [2023-11-10 11:51:58,754 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 0 transitions, 0 flow [2023-11-10 11:51:58,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 294.46666666666664) internal successors, (4417), 15 states have internal predecessors, (4417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-10 11:51:58,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-11-10 11:51:58,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2023-11-10 11:51:58,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-11-10 11:51:58,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-11-10 11:51:58,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2023-11-10 11:51:58,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-11-10 11:51:58,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-10 11:51:58,761 INFO L445 BasicCegarLoop]: Path program histogram: [9, 7, 1, 1, 1] [2023-11-10 11:51:58,767 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-10 11:51:58,767 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-10 11:51:58,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:51:58 BasicIcfg [2023-11-10 11:51:58,770 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-10 11:51:58,771 INFO L158 Benchmark]: Toolchain (without parser) took 61287.55ms. Allocated memory was 270.5MB in the beginning and 3.6GB in the end (delta: 3.3GB). Free memory was 215.5MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-11-10 11:51:58,771 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 202.4MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 11:51:58,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5479.50ms. Allocated memory is still 270.5MB. Free memory was 215.0MB in the beginning and 110.9MB in the end (delta: 104.1MB). Peak memory consumption was 117.2MB. Max. memory is 8.0GB. [2023-11-10 11:51:58,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.73ms. Allocated memory is still 270.5MB. Free memory was 110.9MB in the beginning and 102.0MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-11-10 11:51:58,771 INFO L158 Benchmark]: Boogie Preprocessor took 78.69ms. Allocated memory was 270.5MB in the beginning and 341.8MB in the end (delta: 71.3MB). Free memory was 102.0MB in the beginning and 280.3MB in the end (delta: -178.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-10 11:51:58,772 INFO L158 Benchmark]: RCFGBuilder took 800.88ms. Allocated memory is still 341.8MB. Free memory was 280.3MB in the beginning and 238.9MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2023-11-10 11:51:58,772 INFO L158 Benchmark]: TraceAbstraction took 54771.07ms. Allocated memory was 341.8MB in the beginning and 3.6GB in the end (delta: 3.2GB). Free memory was 238.3MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-11-10 11:51:58,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 202.4MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5479.50ms. Allocated memory is still 270.5MB. Free memory was 215.0MB in the beginning and 110.9MB in the end (delta: 104.1MB). Peak memory consumption was 117.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 148.73ms. Allocated memory is still 270.5MB. Free memory was 110.9MB in the beginning and 102.0MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.69ms. Allocated memory was 270.5MB in the beginning and 341.8MB in the end (delta: 71.3MB). Free memory was 102.0MB in the beginning and 280.3MB in the end (delta: -178.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 800.88ms. Allocated memory is still 341.8MB. Free memory was 280.3MB in the beginning and 238.9MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * TraceAbstraction took 54771.07ms. Allocated memory was 341.8MB in the beginning and 3.6GB in the end (delta: 3.2GB). Free memory was 238.3MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.4GB. 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: - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 500 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 54.6s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 40.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5294 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5294 mSDsluCounter, 14759 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12798 mSDsCounter, 97 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13151 IncrementalHoareTripleChecker+Invalid, 13248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 97 mSolverCounterUnsat, 1961 mSDtfsCounter, 13151 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 622 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 582 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2998occurred in iteration=10, InterpolantAutomatonStates: 431, 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, 0.7s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 4487 NumberOfCodeBlocks, 4487 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4468 ConstructedInterpolants, 0 QuantifiedInterpolants, 22518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-10 11:51:58,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...