/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_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 11:51:58,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 11:51:58,333 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 11:51:58,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 11:51:58,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 11:51:58,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 11:51:58,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 11:51:58,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 11:51:58,360 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 11:51:58,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 11:51:58,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 11:51:58,363 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 11:51:58,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 11:51:58,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 11:51:58,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 11:51:58,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 11:51:58,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 11:51:58,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 11:51:58,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 11:51:58,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 11:51:58,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 11:51:58,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 11:51:58,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 11:51:58,367 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 11:51:58,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 11:51:58,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:51:58,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 11:51:58,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 11:51:58,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 11:51:58,368 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 11:51:58,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 11:51:58,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 11:51:58,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 11:51:58,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 11:51:58,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 11:51:58,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 11:51:58,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 11:51:58,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 11:51:58,580 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 11:51:58,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-11-10 11:51:59,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 11:52:00,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 11:52:00,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-11-10 11:52:00,153 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95aa6f49a/3a5670432baf460da0daf78f65c05435/FLAG8521e7d44 [2023-11-10 11:52:00,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95aa6f49a/3a5670432baf460da0daf78f65c05435 [2023-11-10 11:52:00,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 11:52:00,169 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 11:52:00,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 11:52:00,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 11:52:00,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 11:52:00,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:00" (1/1) ... [2023-11-10 11:52:00,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d65c93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:00, skipping insertion in model container [2023-11-10 11:52:00,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:00" (1/1) ... [2023-11-10 11:52:00,255 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 11:52:00,518 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_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i[5469,5482] [2023-11-10 11:52:02,485 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:52:02,827 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:02,828 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:02,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:52:02,897 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 11:52:02,913 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_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i[5469,5482] [2023-11-10 11:52:02,965 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 11:52:02,966 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 11:52:02,966 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 11:52:02,966 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 11:52:03,015 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:52:03,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-10 11:52:03,054 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:03,054 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:03,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:52:03,495 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:03,495 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:03,495 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:03,495 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:03,495 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:03,495 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:03,495 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:03,504 INFO L206 MainTranslator]: Completed translation [2023-11-10 11:52:03,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03 WrapperNode [2023-11-10 11:52:03,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 11:52:03,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 11:52:03,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 11:52:03,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 11:52:03,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,614 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 47, statements flattened = 629 [2023-11-10 11:52:03,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 11:52:03,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 11:52:03,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 11:52:03,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 11:52:03,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 11:52:03,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 11:52:03,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 11:52:03,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 11:52:03,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:52:03,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:03,679 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 11:52:03,690 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 11:52:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-10 11:52:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-10 11:52:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 11:52:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-10 11:52:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-10 11:52:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 11:52:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-10 11:52:03,716 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 11:52:03,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-10 11:52:03,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 11:52:03,718 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 11:52:04,045 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 11:52:04,047 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 11:52:04,491 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 11:52:04,500 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 11:52:04,501 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-11-10 11:52:04,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:04 BoogieIcfgContainer [2023-11-10 11:52:04,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 11:52:04,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 11:52:04,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 11:52:04,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 11:52:04,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:52:00" (1/3) ... [2023-11-10 11:52:04,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277c82c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:04, skipping insertion in model container [2023-11-10 11:52:04,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03" (2/3) ... [2023-11-10 11:52:04,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277c82c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:04, skipping insertion in model container [2023-11-10 11:52:04,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:04" (3/3) ... [2023-11-10 11:52:04,511 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-11-10 11:52:04,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 11:52:04,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-10 11:52:04,523 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 11:52:04,582 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-10 11:52:04,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 732 places, 767 transitions, 1548 flow [2023-11-10 11:52:04,822 INFO L124 PetriNetUnfolderBase]: 42/765 cut-off events. [2023-11-10 11:52:04,823 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-10 11:52:04,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 765 events. 42/765 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 831 event pairs, 0 based on Foata normal form. 0/721 useless extension candidates. Maximal degree in co-relation 713. Up to 9 conditions per place. [2023-11-10 11:52:04,831 INFO L82 GeneralOperation]: Start removeDead. Operand has 732 places, 767 transitions, 1548 flow [2023-11-10 11:52:04,840 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 721 places, 756 transitions, 1521 flow [2023-11-10 11:52:04,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 11:52:04,856 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;@4b7c0778, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 11:52:04,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-10 11:52:04,898 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 11:52:04,899 INFO L124 PetriNetUnfolderBase]: 7/336 cut-off events. [2023-11-10 11:52:04,899 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 11:52:04,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:04,900 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] [2023-11-10 11:52:04,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:04,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:04,903 INFO L85 PathProgramCache]: Analyzing trace with hash -163759779, now seen corresponding path program 1 times [2023-11-10 11:52:04,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:04,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050169093] [2023-11-10 11:52:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:04,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:05,592 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 11:52:05,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:05,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050169093] [2023-11-10 11:52:05,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050169093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:05,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:05,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-10 11:52:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634030623] [2023-11-10 11:52:05,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:05,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-10 11:52:05,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:05,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-10 11:52:05,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-10 11:52:05,635 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 701 out of 767 [2023-11-10 11:52:05,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 721 places, 756 transitions, 1521 flow. Second operand has 9 states, 9 states have (on average 703.4444444444445) internal successors, (6331), 9 states have internal predecessors, (6331), 0 states have call successors, (0), 0 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 11:52:05,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:05,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 701 of 767 [2023-11-10 11:52:05,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:05,934 INFO L124 PetriNetUnfolderBase]: 17/726 cut-off events. [2023-11-10 11:52:05,934 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2023-11-10 11:52:05,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 726 events. 17/726 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 765 event pairs, 0 based on Foata normal form. 16/722 useless extension candidates. Maximal degree in co-relation 721. Up to 12 conditions per place. [2023-11-10 11:52:05,939 INFO L140 encePairwiseOnDemand]: 725/767 looper letters, 21 selfloop transitions, 17 changer transitions 1/726 dead transitions. [2023-11-10 11:52:05,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 726 transitions, 1537 flow [2023-11-10 11:52:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-10 11:52:05,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-10 11:52:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 12681 transitions. [2023-11-10 11:52:05,967 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9185136897001304 [2023-11-10 11:52:05,968 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 12681 transitions. [2023-11-10 11:52:05,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 12681 transitions. [2023-11-10 11:52:05,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:05,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 12681 transitions. [2023-11-10 11:52:06,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 704.5) internal successors, (12681), 18 states have internal predecessors, (12681), 0 states have call successors, (0), 0 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 11:52:06,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 767.0) internal successors, (14573), 19 states have internal predecessors, (14573), 0 states have call successors, (0), 0 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 11:52:06,029 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 767.0) internal successors, (14573), 19 states have internal predecessors, (14573), 0 states have call successors, (0), 0 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 11:52:06,031 INFO L175 Difference]: Start difference. First operand has 721 places, 756 transitions, 1521 flow. Second operand 18 states and 12681 transitions. [2023-11-10 11:52:06,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 726 transitions, 1537 flow [2023-11-10 11:52:06,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 730 places, 726 transitions, 1532 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:52:06,048 INFO L231 Difference]: Finished difference. Result has 730 places, 725 transitions, 1488 flow [2023-11-10 11:52:06,051 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=767, PETRI_DIFFERENCE_MINUEND_FLOW=1456, PETRI_DIFFERENCE_MINUEND_PLACES=713, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1488, PETRI_PLACES=730, PETRI_TRANSITIONS=725} [2023-11-10 11:52:06,054 INFO L281 CegarLoopForPetriNet]: 721 programPoint places, 9 predicate places. [2023-11-10 11:52:06,054 INFO L495 AbstractCegarLoop]: Abstraction has has 730 places, 725 transitions, 1488 flow [2023-11-10 11:52:06,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 703.4444444444445) internal successors, (6331), 9 states have internal predecessors, (6331), 0 states have call successors, (0), 0 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 11:52:06,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:06,074 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:06,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-10 11:52:06,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:06,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:06,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2015387627, now seen corresponding path program 1 times [2023-11-10 11:52:06,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:06,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313751368] [2023-11-10 11:52:06,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:06,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:06,724 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 11:52:06,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:06,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313751368] [2023-11-10 11:52:06,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313751368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:06,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:06,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-10 11:52:06,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738540976] [2023-11-10 11:52:06,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:06,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-10 11:52:06,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:06,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-10 11:52:06,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-10 11:52:06,734 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 695 out of 767 [2023-11-10 11:52:06,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 730 places, 725 transitions, 1488 flow. Second operand has 6 states, 6 states have (on average 699.6666666666666) internal successors, (4198), 6 states have internal predecessors, (4198), 0 states have call successors, (0), 0 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 11:52:06,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:06,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 695 of 767 [2023-11-10 11:52:06,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:07,021 INFO L124 PetriNetUnfolderBase]: 23/855 cut-off events. [2023-11-10 11:52:07,021 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2023-11-10 11:52:07,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 855 events. 23/855 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1260 event pairs, 0 based on Foata normal form. 0/831 useless extension candidates. Maximal degree in co-relation 442. Up to 39 conditions per place. [2023-11-10 11:52:07,027 INFO L140 encePairwiseOnDemand]: 755/767 looper letters, 39 selfloop transitions, 11 changer transitions 0/730 dead transitions. [2023-11-10 11:52:07,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 732 places, 730 transitions, 1598 flow [2023-11-10 11:52:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-10 11:52:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-10 11:52:07,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4221 transitions. [2023-11-10 11:52:07,035 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9172099087353325 [2023-11-10 11:52:07,035 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4221 transitions. [2023-11-10 11:52:07,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4221 transitions. [2023-11-10 11:52:07,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:07,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4221 transitions. [2023-11-10 11:52:07,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 703.5) internal successors, (4221), 6 states have internal predecessors, (4221), 0 states have call successors, (0), 0 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 11:52:07,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 767.0) internal successors, (5369), 7 states have internal predecessors, (5369), 0 states have call successors, (0), 0 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 11:52:07,063 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 767.0) internal successors, (5369), 7 states have internal predecessors, (5369), 0 states have call successors, (0), 0 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 11:52:07,063 INFO L175 Difference]: Start difference. First operand has 730 places, 725 transitions, 1488 flow. Second operand 6 states and 4221 transitions. [2023-11-10 11:52:07,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 732 places, 730 transitions, 1598 flow [2023-11-10 11:52:07,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 730 transitions, 1564 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-11-10 11:52:07,075 INFO L231 Difference]: Finished difference. Result has 716 places, 727 transitions, 1495 flow [2023-11-10 11:52:07,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=767, PETRI_DIFFERENCE_MINUEND_FLOW=1450, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1495, PETRI_PLACES=716, PETRI_TRANSITIONS=727} [2023-11-10 11:52:07,079 INFO L281 CegarLoopForPetriNet]: 721 programPoint places, -5 predicate places. [2023-11-10 11:52:07,079 INFO L495 AbstractCegarLoop]: Abstraction has has 716 places, 727 transitions, 1495 flow [2023-11-10 11:52:07,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 699.6666666666666) internal successors, (4198), 6 states have internal predecessors, (4198), 0 states have call successors, (0), 0 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 11:52:07,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:07,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:07,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-10 11:52:07,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:07,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:07,081 INFO L85 PathProgramCache]: Analyzing trace with hash -599962095, now seen corresponding path program 1 times [2023-11-10 11:52:07,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:07,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032314406] [2023-11-10 11:52:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:07,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:07,477 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 11:52:07,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:07,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032314406] [2023-11-10 11:52:07,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032314406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:07,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:07,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-10 11:52:07,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709498781] [2023-11-10 11:52:07,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:07,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-10 11:52:07,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:07,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-10 11:52:07,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-10 11:52:07,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 711 out of 767 [2023-11-10 11:52:07,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 727 transitions, 1495 flow. Second operand has 5 states, 5 states have (on average 713.2) internal successors, (3566), 5 states have internal predecessors, (3566), 0 states have call successors, (0), 0 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 11:52:07,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:07,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 711 of 767 [2023-11-10 11:52:07,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:07,600 INFO L124 PetriNetUnfolderBase]: 23/862 cut-off events. [2023-11-10 11:52:07,600 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-10 11:52:07,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 862 events. 23/862 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1258 event pairs, 0 based on Foata normal form. 0/838 useless extension candidates. Maximal degree in co-relation 444. Up to 24 conditions per place. [2023-11-10 11:52:07,603 INFO L140 encePairwiseOnDemand]: 760/767 looper letters, 28 selfloop transitions, 6 changer transitions 0/731 dead transitions. [2023-11-10 11:52:07,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 731 transitions, 1571 flow [2023-11-10 11:52:07,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-10 11:52:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-10 11:52:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3589 transitions. [2023-11-10 11:52:07,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9358539765319427 [2023-11-10 11:52:07,609 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3589 transitions. [2023-11-10 11:52:07,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3589 transitions. [2023-11-10 11:52:07,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:07,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3589 transitions. [2023-11-10 11:52:07,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 717.8) internal successors, (3589), 5 states have internal predecessors, (3589), 0 states have call successors, (0), 0 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 11:52:07,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 767.0) internal successors, (4602), 6 states have internal predecessors, (4602), 0 states have call successors, (0), 0 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 11:52:07,618 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 767.0) internal successors, (4602), 6 states have internal predecessors, (4602), 0 states have call successors, (0), 0 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 11:52:07,618 INFO L175 Difference]: Start difference. First operand has 716 places, 727 transitions, 1495 flow. Second operand 5 states and 3589 transitions. [2023-11-10 11:52:07,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 731 transitions, 1571 flow [2023-11-10 11:52:07,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 716 places, 731 transitions, 1556 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-10 11:52:07,627 INFO L231 Difference]: Finished difference. Result has 717 places, 728 transitions, 1500 flow [2023-11-10 11:52:07,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=767, PETRI_DIFFERENCE_MINUEND_FLOW=1480, PETRI_DIFFERENCE_MINUEND_PLACES=712, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=727, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=721, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1500, PETRI_PLACES=717, PETRI_TRANSITIONS=728} [2023-11-10 11:52:07,629 INFO L281 CegarLoopForPetriNet]: 721 programPoint places, -4 predicate places. [2023-11-10 11:52:07,629 INFO L495 AbstractCegarLoop]: Abstraction has has 717 places, 728 transitions, 1500 flow [2023-11-10 11:52:07,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 713.2) internal successors, (3566), 5 states have internal predecessors, (3566), 0 states have call successors, (0), 0 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 11:52:07,630 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:07,630 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:07,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-10 11:52:07,630 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:07,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:07,631 INFO L85 PathProgramCache]: Analyzing trace with hash 634489491, now seen corresponding path program 1 times [2023-11-10 11:52:07,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:07,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460302410] [2023-11-10 11:52:07,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:08,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:08,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460302410] [2023-11-10 11:52:08,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460302410] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:08,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015950613] [2023-11-10 11:52:08,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:08,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:08,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:08,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:08,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-10 11:52:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:08,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-10 11:52:08,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:08,494 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-11-10 11:52:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-10 11:52:08,519 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:08,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015950613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:08,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:08,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2023-11-10 11:52:08,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271539935] [2023-11-10 11:52:08,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:08,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-10 11:52:08,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:08,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-10 11:52:08,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-10 11:52:08,524 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 682 out of 767 [2023-11-10 11:52:08,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 717 places, 728 transitions, 1500 flow. Second operand has 7 states, 7 states have (on average 687.2857142857143) internal successors, (4811), 7 states have internal predecessors, (4811), 0 states have call successors, (0), 0 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 11:52:08,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:08,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 682 of 767 [2023-11-10 11:52:08,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:08,782 INFO L124 PetriNetUnfolderBase]: 139/1108 cut-off events. [2023-11-10 11:52:08,783 INFO L125 PetriNetUnfolderBase]: For 28/132 co-relation queries the response was YES. [2023-11-10 11:52:08,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1412 conditions, 1108 events. 139/1108 cut-off events. For 28/132 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3593 event pairs, 25 based on Foata normal form. 0/1070 useless extension candidates. Maximal degree in co-relation 1183. Up to 101 conditions per place. [2023-11-10 11:52:08,786 INFO L140 encePairwiseOnDemand]: 756/767 looper letters, 0 selfloop transitions, 0 changer transitions 750/750 dead transitions. [2023-11-10 11:52:08,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 722 places, 750 transitions, 1720 flow [2023-11-10 11:52:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-10 11:52:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-10 11:52:08,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5538 transitions. [2023-11-10 11:52:08,793 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.902542372881356 [2023-11-10 11:52:08,793 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 5538 transitions. [2023-11-10 11:52:08,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 5538 transitions. [2023-11-10 11:52:08,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:08,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 5538 transitions. [2023-11-10 11:52:08,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 692.25) internal successors, (5538), 8 states have internal predecessors, (5538), 0 states have call successors, (0), 0 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 11:52:08,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 767.0) internal successors, (6903), 9 states have internal predecessors, (6903), 0 states have call successors, (0), 0 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 11:52:08,809 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 767.0) internal successors, (6903), 9 states have internal predecessors, (6903), 0 states have call successors, (0), 0 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 11:52:08,809 INFO L175 Difference]: Start difference. First operand has 717 places, 728 transitions, 1500 flow. Second operand 8 states and 5538 transitions. [2023-11-10 11:52:08,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 722 places, 750 transitions, 1720 flow [2023-11-10 11:52:08,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 750 transitions, 1710 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:52:08,816 INFO L231 Difference]: Finished difference. Result has 719 places, 0 transitions, 0 flow [2023-11-10 11:52:08,817 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=767, PETRI_DIFFERENCE_MINUEND_FLOW=1486, PETRI_DIFFERENCE_MINUEND_PLACES=712, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=726, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=719, PETRI_TRANSITIONS=0} [2023-11-10 11:52:08,818 INFO L281 CegarLoopForPetriNet]: 721 programPoint places, -2 predicate places. [2023-11-10 11:52:08,818 INFO L495 AbstractCegarLoop]: Abstraction has has 719 places, 0 transitions, 0 flow [2023-11-10 11:52:08,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 687.2857142857143) internal successors, (4811), 7 states have internal predecessors, (4811), 0 states have call successors, (0), 0 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 11:52:08,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-10 11:52:08,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-11-10 11:52:08,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-10 11:52:08,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-11-10 11:52:08,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-10 11:52:08,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:09,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:09,029 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-10 11:52:09,034 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-10 11:52:09,034 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-10 11:52:09,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:52:09 BasicIcfg [2023-11-10 11:52:09,037 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-10 11:52:09,038 INFO L158 Benchmark]: Toolchain (without parser) took 8868.79ms. Allocated memory was 237.0MB in the beginning and 469.8MB in the end (delta: 232.8MB). Free memory was 174.7MB in the beginning and 170.3MB in the end (delta: 4.4MB). Peak memory consumption was 237.1MB. Max. memory is 8.0GB. [2023-11-10 11:52:09,038 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory was 143.7MB in the beginning and 143.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 11:52:09,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3333.70ms. Allocated memory was 237.0MB in the beginning and 339.7MB in the end (delta: 102.8MB). Free memory was 174.1MB in the beginning and 238.2MB in the end (delta: -64.1MB). Peak memory consumption was 126.6MB. Max. memory is 8.0GB. [2023-11-10 11:52:09,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.08ms. Allocated memory is still 339.7MB. Free memory was 238.2MB in the beginning and 226.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-10 11:52:09,039 INFO L158 Benchmark]: Boogie Preprocessor took 39.96ms. Allocated memory is still 339.7MB. Free memory was 226.7MB in the beginning and 221.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-11-10 11:52:09,039 INFO L158 Benchmark]: RCFGBuilder took 849.65ms. Allocated memory is still 339.7MB. Free memory was 220.9MB in the beginning and 158.5MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-11-10 11:52:09,039 INFO L158 Benchmark]: TraceAbstraction took 4530.43ms. Allocated memory was 339.7MB in the beginning and 469.8MB in the end (delta: 130.0MB). Free memory was 157.5MB in the beginning and 170.3MB in the end (delta: -12.8MB). Peak memory consumption was 117.2MB. Max. memory is 8.0GB. [2023-11-10 11:52:09,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory was 143.7MB in the beginning and 143.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3333.70ms. Allocated memory was 237.0MB in the beginning and 339.7MB in the end (delta: 102.8MB). Free memory was 174.1MB in the beginning and 238.2MB in the end (delta: -64.1MB). Peak memory consumption was 126.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 110.08ms. Allocated memory is still 339.7MB. Free memory was 238.2MB in the beginning and 226.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.96ms. Allocated memory is still 339.7MB. Free memory was 226.7MB in the beginning and 221.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 849.65ms. Allocated memory is still 339.7MB. Free memory was 220.9MB in the beginning and 158.5MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * TraceAbstraction took 4530.43ms. Allocated memory was 339.7MB in the beginning and 469.8MB in the end (delta: 130.0MB). Free memory was 157.5MB in the beginning and 170.3MB in the end (delta: -12.8MB). Peak memory consumption was 117.2MB. 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, 805 locations, 5 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: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 430 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 313 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 448 IncrementalHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 117 mSDtfsCounter, 448 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1521occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1281 NumberOfCodeBlocks, 1281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1276 ConstructedInterpolants, 0 QuantifiedInterpolants, 1494 SizeOfPredicates, 8 NumberOfNonLiveVariables, 980 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1/2 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 11:52:09,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...