/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_change_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 11:51:33,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 11:51:33,823 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 11:51:33,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 11:51:33,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 11:51:33,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 11:51:33,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 11:51:33,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 11:51:33,847 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 11:51:33,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 11:51:33,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 11:51:33,848 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 11:51:33,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 11:51:33,849 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 11:51:33,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 11:51:33,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 11:51:33,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 11:51:33,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 11:51:33,850 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 11:51:33,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 11:51:33,851 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 11:51:33,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 11:51:33,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 11:51:33,852 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 11:51:33,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 11:51:33,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:51:33,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 11:51:33,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 11:51:33,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 11:51:33,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 11:51:33,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 11:51:33,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 11:51:33,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 11:51:33,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 11:51:34,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 11:51:34,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 11:51:34,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 11:51:34,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 11:51:34,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 11:51:34,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2023-11-10 11:51:35,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 11:51:35,774 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 11:51:35,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2023-11-10 11:51:35,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7c3ecfa/92a75e859e564534a089fc3551b10115/FLAG9e440bb80 [2023-11-10 11:51:35,842 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7c3ecfa/92a75e859e564534a089fc3551b10115 [2023-11-10 11:51:35,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 11:51:35,849 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 11:51:35,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 11:51:35,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 11:51:35,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 11:51:35,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:35" (1/1) ... [2023-11-10 11:51:35,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308caf91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:35, skipping insertion in model container [2023-11-10 11:51:35,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:35" (1/1) ... [2023-11-10 11:51:35,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 11:51:36,391 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_change_pc8736x_gpio_current.i[5469,5482] [2023-11-10 11:51:42,180 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:51:42,633 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:51:42,636 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:51:42,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:51:42,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 11:51:42,747 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_change_pc8736x_gpio_current.i[5469,5482] [2023-11-10 11:51:42,815 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 11:51:42,817 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 11:51:42,817 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 11:51:42,817 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 11:51:42,886 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:51:42,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-10 11:51:42,947 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:51:42,947 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:51:42,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:51:43,542 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:43,542 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:43,542 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:43,542 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:43,542 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:43,543 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:43,543 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:51:43,549 INFO L206 MainTranslator]: Completed translation [2023-11-10 11:51:43,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43 WrapperNode [2023-11-10 11:51:43,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 11:51:43,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 11:51:43,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 11:51:43,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 11:51:43,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,750 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 723 [2023-11-10 11:51:43,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 11:51:43,752 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 11:51:43,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 11:51:43,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 11:51:43,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 11:51:43,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 11:51:43,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 11:51:43,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 11:51:43,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (1/1) ... [2023-11-10 11:51:43,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:51:43,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:51:43,881 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 11:51:43,908 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 11:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-10 11:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-10 11:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 11:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-10 11:51:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-10 11:51:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-10 11:51:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-10 11:51:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-10 11:51:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 11:51:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 11:51:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-10 11:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 11:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-10 11:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 11:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 11:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-10 11:51:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 11:51:43,926 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 11:51:44,352 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 11:51:44,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 11:51:45,138 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 11:51:45,169 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 11:51:45,169 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-10 11:51:45,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:45 BoogieIcfgContainer [2023-11-10 11:51:45,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 11:51:45,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 11:51:45,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 11:51:45,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 11:51:45,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:51:35" (1/3) ... [2023-11-10 11:51:45,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6abef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:45, skipping insertion in model container [2023-11-10 11:51:45,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:43" (2/3) ... [2023-11-10 11:51:45,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6abef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:51:45, skipping insertion in model container [2023-11-10 11:51:45,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:45" (3/3) ... [2023-11-10 11:51:45,183 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2023-11-10 11:51:45,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 11:51:45,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-10 11:51:45,198 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 11:51:45,297 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-10 11:51:45,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 840 places, 887 transitions, 1788 flow [2023-11-10 11:51:45,611 INFO L124 PetriNetUnfolderBase]: 54/885 cut-off events. [2023-11-10 11:51:45,612 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-10 11:51:45,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 894 conditions, 885 events. 54/885 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1175 event pairs, 0 based on Foata normal form. 0/827 useless extension candidates. Maximal degree in co-relation 709. Up to 9 conditions per place. [2023-11-10 11:51:45,624 INFO L82 GeneralOperation]: Start removeDead. Operand has 840 places, 887 transitions, 1788 flow [2023-11-10 11:51:45,637 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 829 places, 876 transitions, 1761 flow [2023-11-10 11:51:45,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 11:51:45,662 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;@51a87f63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 11:51:45,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-10 11:51:45,716 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 11:51:45,716 INFO L124 PetriNetUnfolderBase]: 6/314 cut-off events. [2023-11-10 11:51:45,716 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 11:51:45,716 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:45,717 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] [2023-11-10 11:51:45,718 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 6 more)] === [2023-11-10 11:51:45,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash -373205286, now seen corresponding path program 1 times [2023-11-10 11:51:45,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:45,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476509635] [2023-11-10 11:51:45,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:45,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:46,771 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 11:51:46,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:46,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476509635] [2023-11-10 11:51:46,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476509635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:46,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:46,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-10 11:51:46,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088238337] [2023-11-10 11:51:46,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:46,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-10 11:51:46,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:46,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-10 11:51:46,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-10 11:51:46,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 813 out of 887 [2023-11-10 11:51:46,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 829 places, 876 transitions, 1761 flow. Second operand has 9 states, 9 states have (on average 815.3333333333334) internal successors, (7338), 9 states have internal predecessors, (7338), 0 states have call successors, (0), 0 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 11:51:46,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:46,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 813 of 887 [2023-11-10 11:51:46,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:47,255 INFO L124 PetriNetUnfolderBase]: 23/838 cut-off events. [2023-11-10 11:51:47,255 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2023-11-10 11:51:47,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 838 events. 23/838 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1052 event pairs, 0 based on Foata normal form. 20/830 useless extension candidates. Maximal degree in co-relation 717. Up to 12 conditions per place. [2023-11-10 11:51:47,262 INFO L140 encePairwiseOnDemand]: 839/887 looper letters, 21 selfloop transitions, 17 changer transitions 1/838 dead transitions. [2023-11-10 11:51:47,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 838 transitions, 1761 flow [2023-11-10 11:51:47,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-10 11:51:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-10 11:51:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 14703 transitions. [2023-11-10 11:51:47,305 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9208944006012777 [2023-11-10 11:51:47,307 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 14703 transitions. [2023-11-10 11:51:47,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 14703 transitions. [2023-11-10 11:51:47,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:47,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 14703 transitions. [2023-11-10 11:51:47,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 816.8333333333334) internal successors, (14703), 18 states have internal predecessors, (14703), 0 states have call successors, (0), 0 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 11:51:47,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 887.0) internal successors, (16853), 19 states have internal predecessors, (16853), 0 states have call successors, (0), 0 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 11:51:47,423 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 887.0) internal successors, (16853), 19 states have internal predecessors, (16853), 0 states have call successors, (0), 0 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 11:51:47,426 INFO L175 Difference]: Start difference. First operand has 829 places, 876 transitions, 1761 flow. Second operand 18 states and 14703 transitions. [2023-11-10 11:51:47,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 839 places, 838 transitions, 1761 flow [2023-11-10 11:51:47,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 838 transitions, 1756 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:51:47,452 INFO L231 Difference]: Finished difference. Result has 836 places, 837 transitions, 1712 flow [2023-11-10 11:51:47,455 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=1680, PETRI_DIFFERENCE_MINUEND_PLACES=819, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=838, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=821, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1712, PETRI_PLACES=836, PETRI_TRANSITIONS=837} [2023-11-10 11:51:47,459 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 7 predicate places. [2023-11-10 11:51:47,460 INFO L495 AbstractCegarLoop]: Abstraction has has 836 places, 837 transitions, 1712 flow [2023-11-10 11:51:47,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 815.3333333333334) internal successors, (7338), 9 states have internal predecessors, (7338), 0 states have call successors, (0), 0 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 11:51:47,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:47,481 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] [2023-11-10 11:51:47,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-10 11:51:47,482 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 6 more)] === [2023-11-10 11:51:47,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1398938956, now seen corresponding path program 1 times [2023-11-10 11:51:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:47,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412032207] [2023-11-10 11:51:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:48,085 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 11:51:48,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:48,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412032207] [2023-11-10 11:51:48,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412032207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:48,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:51:48,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-10 11:51:48,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338243846] [2023-11-10 11:51:48,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:48,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-10 11:51:48,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-10 11:51:48,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-10 11:51:48,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 823 out of 887 [2023-11-10 11:51:48,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 837 transitions, 1712 flow. Second operand has 5 states, 5 states have (on average 825.0) internal successors, (4125), 5 states have internal predecessors, (4125), 0 states have call successors, (0), 0 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 11:51:48,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:48,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 823 of 887 [2023-11-10 11:51:48,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:48,344 INFO L124 PetriNetUnfolderBase]: 23/844 cut-off events. [2023-11-10 11:51:48,344 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-10 11:51:48,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 844 events. 23/844 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1049 event pairs, 0 based on Foata normal form. 0/817 useless extension candidates. Maximal degree in co-relation 508. Up to 18 conditions per place. [2023-11-10 11:51:48,351 INFO L140 encePairwiseOnDemand]: 880/887 looper letters, 27 selfloop transitions, 6 changer transitions 0/841 dead transitions. [2023-11-10 11:51:48,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 839 places, 841 transitions, 1786 flow [2023-11-10 11:51:48,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-10 11:51:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-10 11:51:48,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4149 transitions. [2023-11-10 11:51:48,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9355129650507328 [2023-11-10 11:51:48,361 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 4149 transitions. [2023-11-10 11:51:48,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 4149 transitions. [2023-11-10 11:51:48,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:48,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 4149 transitions. [2023-11-10 11:51:48,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 829.8) internal successors, (4149), 5 states have internal predecessors, (4149), 0 states have call successors, (0), 0 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 11:51:48,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 887.0) internal successors, (5322), 6 states have internal predecessors, (5322), 0 states have call successors, (0), 0 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 11:51:48,379 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 887.0) internal successors, (5322), 6 states have internal predecessors, (5322), 0 states have call successors, (0), 0 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 11:51:48,380 INFO L175 Difference]: Start difference. First operand has 836 places, 837 transitions, 1712 flow. Second operand 5 states and 4149 transitions. [2023-11-10 11:51:48,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 839 places, 841 transitions, 1786 flow [2023-11-10 11:51:48,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 822 places, 841 transitions, 1752 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-11-10 11:51:48,402 INFO L231 Difference]: Finished difference. Result has 823 places, 838 transitions, 1698 flow [2023-11-10 11:51:48,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=1678, PETRI_DIFFERENCE_MINUEND_PLACES=818, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=831, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1698, PETRI_PLACES=823, PETRI_TRANSITIONS=838} [2023-11-10 11:51:48,404 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, -6 predicate places. [2023-11-10 11:51:48,404 INFO L495 AbstractCegarLoop]: Abstraction has has 823 places, 838 transitions, 1698 flow [2023-11-10 11:51:48,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 825.0) internal successors, (4125), 5 states have internal predecessors, (4125), 0 states have call successors, (0), 0 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 11:51:48,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:48,406 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] [2023-11-10 11:51:48,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-10 11:51:48,406 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 6 more)] === [2023-11-10 11:51:48,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1008921404, now seen corresponding path program 1 times [2023-11-10 11:51:48,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124659007] [2023-11-10 11:51:48,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:49,217 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 11:51:49,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:49,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124659007] [2023-11-10 11:51:49,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124659007] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:51:49,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125264822] [2023-11-10 11:51:49,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:49,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:51:49,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:51:49,223 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 11:51:49,225 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 11:51:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:49,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-10 11:51:49,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:51:49,774 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 11:51:49,816 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 11:51:49,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:51:49,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125264822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:49,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:51:49,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2023-11-10 11:51:49,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771146543] [2023-11-10 11:51:49,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:49,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-10 11:51:49,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:49,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-10 11:51:49,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-10 11:51:49,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 787 out of 887 [2023-11-10 11:51:49,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 823 places, 838 transitions, 1698 flow. Second operand has 7 states, 7 states have (on average 792.0) internal successors, (5544), 7 states have internal predecessors, (5544), 0 states have call successors, (0), 0 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 11:51:49,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:49,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 787 of 887 [2023-11-10 11:51:49,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:51,094 INFO L124 PetriNetUnfolderBase]: 1199/4786 cut-off events. [2023-11-10 11:51:51,094 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-10 11:51:51,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6851 conditions, 4786 events. 1199/4786 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 34792 event pairs, 520 based on Foata normal form. 0/4234 useless extension candidates. Maximal degree in co-relation 6623. Up to 1017 conditions per place. [2023-11-10 11:51:51,183 INFO L140 encePairwiseOnDemand]: 874/887 looper letters, 156 selfloop transitions, 27 changer transitions 0/956 dead transitions. [2023-11-10 11:51:51,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 833 places, 956 transitions, 2318 flow [2023-11-10 11:51:51,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-10 11:51:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-10 11:51:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 8842 transitions. [2023-11-10 11:51:51,200 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.906221174541355 [2023-11-10 11:51:51,200 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 8842 transitions. [2023-11-10 11:51:51,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 8842 transitions. [2023-11-10 11:51:51,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:51,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 8842 transitions. [2023-11-10 11:51:51,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 803.8181818181819) internal successors, (8842), 11 states have internal predecessors, (8842), 0 states have call successors, (0), 0 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 11:51:51,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 887.0) internal successors, (10644), 12 states have internal predecessors, (10644), 0 states have call successors, (0), 0 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 11:51:51,237 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 887.0) internal successors, (10644), 12 states have internal predecessors, (10644), 0 states have call successors, (0), 0 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 11:51:51,237 INFO L175 Difference]: Start difference. First operand has 823 places, 838 transitions, 1698 flow. Second operand 11 states and 8842 transitions. [2023-11-10 11:51:51,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 833 places, 956 transitions, 2318 flow [2023-11-10 11:51:51,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 956 transitions, 2308 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:51:51,253 INFO L231 Difference]: Finished difference. Result has 835 places, 867 transitions, 1854 flow [2023-11-10 11:51:51,255 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=1688, PETRI_DIFFERENCE_MINUEND_PLACES=820, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=838, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=826, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1854, PETRI_PLACES=835, PETRI_TRANSITIONS=867} [2023-11-10 11:51:51,255 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 6 predicate places. [2023-11-10 11:51:51,256 INFO L495 AbstractCegarLoop]: Abstraction has has 835 places, 867 transitions, 1854 flow [2023-11-10 11:51:51,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 792.0) internal successors, (5544), 7 states have internal predecessors, (5544), 0 states have call successors, (0), 0 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 11:51:51,257 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:51,257 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] [2023-11-10 11:51:51,269 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 11:51:51,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:51:51,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-10 11:51:51,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:51,469 INFO L85 PathProgramCache]: Analyzing trace with hash 519931123, now seen corresponding path program 1 times [2023-11-10 11:51:51,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:51,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784950312] [2023-11-10 11:51:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:52,000 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 11:51:52,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:52,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784950312] [2023-11-10 11:51:52,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784950312] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:51:52,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878994371] [2023-11-10 11:51:52,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:52,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:51:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:51:52,002 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:51:52,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-10 11:51:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:52,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-10 11:51:52,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:51:52,479 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-10 11:51:52,484 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-10 11:51:52,535 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 21 treesize of output 9 [2023-11-10 11:51:52,538 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 11:51:52,585 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 11:51:52,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:51:52,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878994371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:52,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:51:52,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2023-11-10 11:51:52,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995570462] [2023-11-10 11:51:52,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:52,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-10 11:51:52,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:52,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-10 11:51:52,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-10 11:51:52,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 806 out of 887 [2023-11-10 11:51:52,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 835 places, 867 transitions, 1854 flow. Second operand has 6 states, 6 states have (on average 810.8333333333334) internal successors, (4865), 6 states have internal predecessors, (4865), 0 states have call successors, (0), 0 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 11:51:52,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:52,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 806 of 887 [2023-11-10 11:51:52,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:53,149 INFO L124 PetriNetUnfolderBase]: 100/1951 cut-off events. [2023-11-10 11:51:53,149 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2023-11-10 11:51:53,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2192 conditions, 1951 events. 100/1951 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8444 event pairs, 3 based on Foata normal form. 0/1857 useless extension candidates. Maximal degree in co-relation 2131. Up to 80 conditions per place. [2023-11-10 11:51:53,158 INFO L140 encePairwiseOnDemand]: 875/887 looper letters, 55 selfloop transitions, 11 changer transitions 0/872 dead transitions. [2023-11-10 11:51:53,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 872 transitions, 1996 flow [2023-11-10 11:51:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-10 11:51:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-10 11:51:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4888 transitions. [2023-11-10 11:51:53,168 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9184517098835024 [2023-11-10 11:51:53,168 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4888 transitions. [2023-11-10 11:51:53,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4888 transitions. [2023-11-10 11:51:53,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:53,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4888 transitions. [2023-11-10 11:51:53,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 814.6666666666666) internal successors, (4888), 6 states have internal predecessors, (4888), 0 states have call successors, (0), 0 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 11:51:53,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 887.0) internal successors, (6209), 7 states have internal predecessors, (6209), 0 states have call successors, (0), 0 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 11:51:53,196 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 887.0) internal successors, (6209), 7 states have internal predecessors, (6209), 0 states have call successors, (0), 0 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 11:51:53,196 INFO L175 Difference]: Start difference. First operand has 835 places, 867 transitions, 1854 flow. Second operand 6 states and 4888 transitions. [2023-11-10 11:51:53,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 872 transitions, 1996 flow [2023-11-10 11:51:53,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 838 places, 872 transitions, 1996 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-10 11:51:53,214 INFO L231 Difference]: Finished difference. Result has 839 places, 869 transitions, 1895 flow [2023-11-10 11:51:53,216 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=1850, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=854, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1895, PETRI_PLACES=839, PETRI_TRANSITIONS=869} [2023-11-10 11:51:53,217 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 10 predicate places. [2023-11-10 11:51:53,217 INFO L495 AbstractCegarLoop]: Abstraction has has 839 places, 869 transitions, 1895 flow [2023-11-10 11:51:53,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 810.8333333333334) internal successors, (4865), 6 states have internal predecessors, (4865), 0 states have call successors, (0), 0 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 11:51:53,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:53,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:53,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-10 11:51:53,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-10 11:51:53,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 6 more)] === [2023-11-10 11:51:53,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash 353199709, now seen corresponding path program 1 times [2023-11-10 11:51:53,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:53,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016853400] [2023-11-10 11:51:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:53,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:53,965 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 11:51:53,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:53,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016853400] [2023-11-10 11:51:53,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016853400] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:51:53,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720084752] [2023-11-10 11:51:53,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:53,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:51:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:51:53,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:51:54,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-10 11:51:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:54,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 85 conjunts are in the unsatisfiable core [2023-11-10 11:51:54,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:51:54,721 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-10 11:51:54,721 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-10 11:51:54,757 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-10 11:51:54,758 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-10 11:51:54,791 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-10 11:51:54,791 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-10 11:51:54,827 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:54,827 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-10 11:51:54,885 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:54,885 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:54,938 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:54,939 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:54,996 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:51:54,997 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-10 11:51:55,055 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,055 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,105 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,105 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,147 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,148 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,207 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:51:55,207 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-10 11:51:55,250 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,250 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,291 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,295 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,345 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,345 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,384 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,424 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,424 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,462 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,463 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,498 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,499 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,537 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,538 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,582 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:51:55,583 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-10 11:51:55,620 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,620 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-10 11:51:55,799 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:51:55,799 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-10 11:51:55,917 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:55,918 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2023-11-10 11:51:56,309 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:51:56,311 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2023-11-10 11:51:56,395 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:51:56,395 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-10 11:51:56,416 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-10 11:51:56,417 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-10 11:51:56,516 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-10 11:51:56,538 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 11:51:56,572 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 11:51:56,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:51:56,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720084752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:56,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:51:56,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [6] total 19 [2023-11-10 11:51:56,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130217384] [2023-11-10 11:51:56,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:56,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:51:56,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:56,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:51:56,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-11-10 11:51:56,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 725 out of 887 [2023-11-10 11:51:56,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 839 places, 869 transitions, 1895 flow. Second operand has 15 states, 15 states have (on average 730.8) internal successors, (10962), 15 states have internal predecessors, (10962), 0 states have call successors, (0), 0 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 11:51:56,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:56,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 725 of 887 [2023-11-10 11:51:56,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:51:58,641 INFO L124 PetriNetUnfolderBase]: 1323/6695 cut-off events. [2023-11-10 11:51:58,642 INFO L125 PetriNetUnfolderBase]: For 385/869 co-relation queries the response was YES. [2023-11-10 11:51:58,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9610 conditions, 6695 events. 1323/6695 cut-off events. For 385/869 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 54113 event pairs, 280 based on Foata normal form. 65/6195 useless extension candidates. Maximal degree in co-relation 9332. Up to 450 conditions per place. [2023-11-10 11:51:58,693 INFO L140 encePairwiseOnDemand]: 863/887 looper letters, 185 selfloop transitions, 61 changer transitions 0/962 dead transitions. [2023-11-10 11:51:58,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 857 places, 962 transitions, 2637 flow [2023-11-10 11:51:58,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-10 11:51:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-10 11:51:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 13991 transitions. [2023-11-10 11:51:58,717 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8301786032160446 [2023-11-10 11:51:58,717 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 13991 transitions. [2023-11-10 11:51:58,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 13991 transitions. [2023-11-10 11:51:58,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:51:58,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 13991 transitions. [2023-11-10 11:51:58,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 736.3684210526316) internal successors, (13991), 19 states have internal predecessors, (13991), 0 states have call successors, (0), 0 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 11:51:58,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 887.0) internal successors, (17740), 20 states have internal predecessors, (17740), 0 states have call successors, (0), 0 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 11:51:58,769 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 887.0) internal successors, (17740), 20 states have internal predecessors, (17740), 0 states have call successors, (0), 0 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 11:51:58,769 INFO L175 Difference]: Start difference. First operand has 839 places, 869 transitions, 1895 flow. Second operand 19 states and 13991 transitions. [2023-11-10 11:51:58,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 857 places, 962 transitions, 2637 flow [2023-11-10 11:51:58,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 853 places, 962 transitions, 2622 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-10 11:51:58,790 INFO L231 Difference]: Finished difference. Result has 858 places, 894 transitions, 2166 flow [2023-11-10 11:51:58,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=1880, PETRI_DIFFERENCE_MINUEND_PLACES=835, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=869, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=823, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2166, PETRI_PLACES=858, PETRI_TRANSITIONS=894} [2023-11-10 11:51:58,792 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 29 predicate places. [2023-11-10 11:51:58,792 INFO L495 AbstractCegarLoop]: Abstraction has has 858 places, 894 transitions, 2166 flow [2023-11-10 11:51:58,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 730.8) internal successors, (10962), 15 states have internal predecessors, (10962), 0 states have call successors, (0), 0 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 11:51:58,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:51:58,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:51:58,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-10 11:51:59,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:51:59,004 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-10 11:51:59,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:51:59,004 INFO L85 PathProgramCache]: Analyzing trace with hash 190780478, now seen corresponding path program 1 times [2023-11-10 11:51:59,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:51:59,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953675859] [2023-11-10 11:51:59,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:59,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:51:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:59,473 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 11:51:59,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:51:59,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953675859] [2023-11-10 11:51:59,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953675859] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:51:59,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014687301] [2023-11-10 11:51:59,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:51:59,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:51:59,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:51:59,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:51:59,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-10 11:51:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:51:59,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 985 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-10 11:51:59,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:51:59,929 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 11:51:59,958 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 11:51:59,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:51:59,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014687301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:51:59,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:51:59,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2023-11-10 11:51:59,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759672811] [2023-11-10 11:51:59,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:51:59,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-10 11:51:59,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:51:59,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-10 11:51:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-10 11:51:59,964 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 780 out of 887 [2023-11-10 11:51:59,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 894 transitions, 2166 flow. Second operand has 7 states, 7 states have (on average 785.2857142857143) internal successors, (5497), 7 states have internal predecessors, (5497), 0 states have call successors, (0), 0 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 11:51:59,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:51:59,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 780 of 887 [2023-11-10 11:51:59,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:00,957 INFO L124 PetriNetUnfolderBase]: 838/4302 cut-off events. [2023-11-10 11:52:00,958 INFO L125 PetriNetUnfolderBase]: For 1741/1976 co-relation queries the response was YES. [2023-11-10 11:52:00,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7178 conditions, 4302 events. 838/4302 cut-off events. For 1741/1976 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 30248 event pairs, 398 based on Foata normal form. 163/4211 useless extension candidates. Maximal degree in co-relation 6943. Up to 1046 conditions per place. [2023-11-10 11:52:00,991 INFO L140 encePairwiseOnDemand]: 876/887 looper letters, 124 selfloop transitions, 10 changer transitions 0/928 dead transitions. [2023-11-10 11:52:00,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 863 places, 928 transitions, 2610 flow [2023-11-10 11:52:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-10 11:52:00,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-10 11:52:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 6342 transitions. [2023-11-10 11:52:01,002 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8937429537767756 [2023-11-10 11:52:01,002 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 6342 transitions. [2023-11-10 11:52:01,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 6342 transitions. [2023-11-10 11:52:01,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:01,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 6342 transitions. [2023-11-10 11:52:01,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 792.75) internal successors, (6342), 8 states have internal predecessors, (6342), 0 states have call successors, (0), 0 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 11:52:01,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 887.0) internal successors, (7983), 9 states have internal predecessors, (7983), 0 states have call successors, (0), 0 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 11:52:01,020 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 887.0) internal successors, (7983), 9 states have internal predecessors, (7983), 0 states have call successors, (0), 0 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 11:52:01,020 INFO L175 Difference]: Start difference. First operand has 858 places, 894 transitions, 2166 flow. Second operand 8 states and 6342 transitions. [2023-11-10 11:52:01,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 863 places, 928 transitions, 2610 flow [2023-11-10 11:52:01,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 854 places, 928 transitions, 2573 flow, removed 5 selfloop flow, removed 9 redundant places. [2023-11-10 11:52:01,040 INFO L231 Difference]: Finished difference. Result has 854 places, 892 transitions, 2145 flow [2023-11-10 11:52:01,041 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=2125, PETRI_DIFFERENCE_MINUEND_PLACES=847, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=882, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2145, PETRI_PLACES=854, PETRI_TRANSITIONS=892} [2023-11-10 11:52:01,042 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 25 predicate places. [2023-11-10 11:52:01,042 INFO L495 AbstractCegarLoop]: Abstraction has has 854 places, 892 transitions, 2145 flow [2023-11-10 11:52:01,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 785.2857142857143) internal successors, (5497), 7 states have internal predecessors, (5497), 0 states have call successors, (0), 0 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 11:52:01,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:01,044 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:01,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:01,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:01,252 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-10 11:52:01,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1883508212, now seen corresponding path program 1 times [2023-11-10 11:52:01,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:01,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559247232] [2023-11-10 11:52:01,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:01,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:01,695 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 11:52:01,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:01,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559247232] [2023-11-10 11:52:01,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559247232] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:01,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858698308] [2023-11-10 11:52:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:01,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:01,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:01,697 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:01,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-10 11:52:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:02,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-10 11:52:02,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:02,756 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-10 11:52:02,788 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 11:52:02,826 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 11:52:02,826 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:02,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858698308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:02,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:02,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2023-11-10 11:52:02,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880739070] [2023-11-10 11:52:02,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:02,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-10 11:52:02,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:02,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-10 11:52:02,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-10 11:52:02,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 767 out of 887 [2023-11-10 11:52:02,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 854 places, 892 transitions, 2145 flow. Second operand has 10 states, 10 states have (on average 773.2) internal successors, (7732), 10 states have internal predecessors, (7732), 0 states have call successors, (0), 0 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 11:52:02,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:02,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 767 of 887 [2023-11-10 11:52:02,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:07,094 INFO L124 PetriNetUnfolderBase]: 1136/5547 cut-off events. [2023-11-10 11:52:07,094 INFO L125 PetriNetUnfolderBase]: For 1823/2118 co-relation queries the response was YES. [2023-11-10 11:52:07,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9206 conditions, 5547 events. 1136/5547 cut-off events. For 1823/2118 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 42225 event pairs, 359 based on Foata normal form. 223/5540 useless extension candidates. Maximal degree in co-relation 9055. Up to 909 conditions per place. [2023-11-10 11:52:07,136 INFO L140 encePairwiseOnDemand]: 867/887 looper letters, 93 selfloop transitions, 24 changer transitions 100/956 dead transitions. [2023-11-10 11:52:07,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 864 places, 956 transitions, 2811 flow [2023-11-10 11:52:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-10 11:52:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-10 11:52:07,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 10110 transitions. [2023-11-10 11:52:07,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.876766975977799 [2023-11-10 11:52:07,157 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 10110 transitions. [2023-11-10 11:52:07,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 10110 transitions. [2023-11-10 11:52:07,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:07,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 10110 transitions. [2023-11-10 11:52:07,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 777.6923076923077) internal successors, (10110), 13 states have internal predecessors, (10110), 0 states have call successors, (0), 0 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 11:52:07,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 887.0) internal successors, (12418), 14 states have internal predecessors, (12418), 0 states have call successors, (0), 0 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 11:52:07,199 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 887.0) internal successors, (12418), 14 states have internal predecessors, (12418), 0 states have call successors, (0), 0 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 11:52:07,199 INFO L175 Difference]: Start difference. First operand has 854 places, 892 transitions, 2145 flow. Second operand 13 states and 10110 transitions. [2023-11-10 11:52:07,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 864 places, 956 transitions, 2811 flow [2023-11-10 11:52:07,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 956 transitions, 2791 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-10 11:52:07,220 INFO L231 Difference]: Finished difference. Result has 857 places, 834 transitions, 1871 flow [2023-11-10 11:52:07,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=2121, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=890, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=866, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1871, PETRI_PLACES=857, PETRI_TRANSITIONS=834} [2023-11-10 11:52:07,222 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 28 predicate places. [2023-11-10 11:52:07,222 INFO L495 AbstractCegarLoop]: Abstraction has has 857 places, 834 transitions, 1871 flow [2023-11-10 11:52:07,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 773.2) internal successors, (7732), 10 states have internal predecessors, (7732), 0 states have call successors, (0), 0 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 11:52:07,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:07,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:07,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:07,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:07,435 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 6 more)] === [2023-11-10 11:52:07,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:07,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1661370580, now seen corresponding path program 1 times [2023-11-10 11:52:07,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:07,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966025981] [2023-11-10 11:52:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:07,929 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 11:52:07,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966025981] [2023-11-10 11:52:07,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966025981] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:07,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680473022] [2023-11-10 11:52:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:07,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:07,931 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:07,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-10 11:52:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:08,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-10 11:52:08,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:08,740 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 11:52:08,741 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:08,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680473022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:08,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:08,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2023-11-10 11:52:08,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338434122] [2023-11-10 11:52:08,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:08,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-10 11:52:08,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:08,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-10 11:52:08,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2023-11-10 11:52:08,752 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 810 out of 887 [2023-11-10 11:52:08,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 857 places, 834 transitions, 1871 flow. Second operand has 13 states, 13 states have (on average 812.5384615384615) internal successors, (10563), 13 states have internal predecessors, (10563), 0 states have call successors, (0), 0 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 11:52:08,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:08,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 810 of 887 [2023-11-10 11:52:08,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:10,235 INFO L124 PetriNetUnfolderBase]: 327/2850 cut-off events. [2023-11-10 11:52:10,235 INFO L125 PetriNetUnfolderBase]: For 228/234 co-relation queries the response was YES. [2023-11-10 11:52:10,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4006 conditions, 2850 events. 327/2850 cut-off events. For 228/234 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 15979 event pairs, 0 based on Foata normal form. 6/2746 useless extension candidates. Maximal degree in co-relation 3981. Up to 209 conditions per place. [2023-11-10 11:52:10,256 INFO L140 encePairwiseOnDemand]: 869/887 looper letters, 118 selfloop transitions, 78 changer transitions 0/991 dead transitions. [2023-11-10 11:52:10,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 991 transitions, 2593 flow [2023-11-10 11:52:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-10 11:52:10,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2023-11-10 11:52:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 30169 transitions. [2023-11-10 11:52:10,285 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9192540906182395 [2023-11-10 11:52:10,285 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 30169 transitions. [2023-11-10 11:52:10,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 30169 transitions. [2023-11-10 11:52:10,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:10,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 30169 transitions. [2023-11-10 11:52:10,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 815.3783783783783) internal successors, (30169), 37 states have internal predecessors, (30169), 0 states have call successors, (0), 0 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 11:52:10,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 887.0) internal successors, (33706), 38 states have internal predecessors, (33706), 0 states have call successors, (0), 0 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 11:52:10,378 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 887.0) internal successors, (33706), 38 states have internal predecessors, (33706), 0 states have call successors, (0), 0 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 11:52:10,379 INFO L175 Difference]: Start difference. First operand has 857 places, 834 transitions, 1871 flow. Second operand 37 states and 30169 transitions. [2023-11-10 11:52:10,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 991 transitions, 2593 flow [2023-11-10 11:52:10,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 853 places, 991 transitions, 2511 flow, removed 11 selfloop flow, removed 15 redundant places. [2023-11-10 11:52:10,398 INFO L231 Difference]: Finished difference. Result has 868 places, 902 transitions, 2191 flow [2023-11-10 11:52:10,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=1801, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=2191, PETRI_PLACES=868, PETRI_TRANSITIONS=902} [2023-11-10 11:52:10,402 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 39 predicate places. [2023-11-10 11:52:10,403 INFO L495 AbstractCegarLoop]: Abstraction has has 868 places, 902 transitions, 2191 flow [2023-11-10 11:52:10,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 812.5384615384615) internal successors, (10563), 13 states have internal predecessors, (10563), 0 states have call successors, (0), 0 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 11:52:10,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:10,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:10,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:10,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:10,613 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 6 more)] === [2023-11-10 11:52:10,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:10,613 INFO L85 PathProgramCache]: Analyzing trace with hash 144149546, now seen corresponding path program 1 times [2023-11-10 11:52:10,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:10,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414423966] [2023-11-10 11:52:10,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:10,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:11,170 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 11:52:11,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:11,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414423966] [2023-11-10 11:52:11,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414423966] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:11,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708882213] [2023-11-10 11:52:11,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:11,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:11,173 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:11,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-10 11:52:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:12,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-10 11:52:12,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:12,075 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 11:52:12,075 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:52:12,156 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 11:52:12,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708882213] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:52:12,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:52:12,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-11-10 11:52:12,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680719589] [2023-11-10 11:52:12,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:52:12,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-10 11:52:12,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:12,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-10 11:52:12,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-10 11:52:12,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 823 out of 887 [2023-11-10 11:52:12,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 902 transitions, 2191 flow. Second operand has 11 states, 11 states have (on average 825.4545454545455) internal successors, (9080), 11 states have internal predecessors, (9080), 0 states have call successors, (0), 0 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 11:52:12,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:12,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 823 of 887 [2023-11-10 11:52:12,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:12,617 INFO L124 PetriNetUnfolderBase]: 129/2194 cut-off events. [2023-11-10 11:52:12,617 INFO L125 PetriNetUnfolderBase]: For 168/174 co-relation queries the response was YES. [2023-11-10 11:52:12,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2664 conditions, 2194 events. 129/2194 cut-off events. For 168/174 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10876 event pairs, 0 based on Foata normal form. 9/2130 useless extension candidates. Maximal degree in co-relation 2528. Up to 33 conditions per place. [2023-11-10 11:52:12,629 INFO L140 encePairwiseOnDemand]: 871/887 looper letters, 28 selfloop transitions, 18 changer transitions 0/916 dead transitions. [2023-11-10 11:52:12,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 879 places, 916 transitions, 2311 flow [2023-11-10 11:52:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-10 11:52:12,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-10 11:52:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 9927 transitions. [2023-11-10 11:52:12,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9326381059751973 [2023-11-10 11:52:12,636 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 9927 transitions. [2023-11-10 11:52:12,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 9927 transitions. [2023-11-10 11:52:12,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:12,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 9927 transitions. [2023-11-10 11:52:12,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 827.25) internal successors, (9927), 12 states have internal predecessors, (9927), 0 states have call successors, (0), 0 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 11:52:12,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 887.0) internal successors, (11531), 13 states have internal predecessors, (11531), 0 states have call successors, (0), 0 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 11:52:12,659 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 887.0) internal successors, (11531), 13 states have internal predecessors, (11531), 0 states have call successors, (0), 0 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 11:52:12,659 INFO L175 Difference]: Start difference. First operand has 868 places, 902 transitions, 2191 flow. Second operand 12 states and 9927 transitions. [2023-11-10 11:52:12,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 879 places, 916 transitions, 2311 flow [2023-11-10 11:52:12,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 879 places, 916 transitions, 2307 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-11-10 11:52:12,678 INFO L231 Difference]: Finished difference. Result has 886 places, 905 transitions, 2265 flow [2023-11-10 11:52:12,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=2179, PETRI_DIFFERENCE_MINUEND_PLACES=868, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=900, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=885, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2265, PETRI_PLACES=886, PETRI_TRANSITIONS=905} [2023-11-10 11:52:12,680 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 57 predicate places. [2023-11-10 11:52:12,680 INFO L495 AbstractCegarLoop]: Abstraction has has 886 places, 905 transitions, 2265 flow [2023-11-10 11:52:12,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 825.4545454545455) internal successors, (9080), 11 states have internal predecessors, (9080), 0 states have call successors, (0), 0 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 11:52:12,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:12,682 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:12,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:12,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:12,893 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 6 more)] === [2023-11-10 11:52:12,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:12,893 INFO L85 PathProgramCache]: Analyzing trace with hash -747671684, now seen corresponding path program 1 times [2023-11-10 11:52:12,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:12,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257260920] [2023-11-10 11:52:12,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:12,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:13,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:13,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257260920] [2023-11-10 11:52:13,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257260920] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:13,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65611521] [2023-11-10 11:52:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:13,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:13,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:13,570 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:13,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-10 11:52:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:14,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-10 11:52:14,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:14,865 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 11:52:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-10 11:52:15,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:15,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65611521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:15,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:15,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [10] total 34 [2023-11-10 11:52:15,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652854528] [2023-11-10 11:52:15,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:15,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-10 11:52:15,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:15,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-10 11:52:15,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1028, Unknown=0, NotChecked=0, Total=1122 [2023-11-10 11:52:15,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 733 out of 887 [2023-11-10 11:52:15,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 886 places, 905 transitions, 2265 flow. Second operand has 26 states, 26 states have (on average 736.3461538461538) internal successors, (19145), 26 states have internal predecessors, (19145), 0 states have call successors, (0), 0 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 11:52:15,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:15,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 733 of 887 [2023-11-10 11:52:15,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:19,883 INFO L124 PetriNetUnfolderBase]: 3483/10804 cut-off events. [2023-11-10 11:52:19,883 INFO L125 PetriNetUnfolderBase]: For 5004/5457 co-relation queries the response was YES. [2023-11-10 11:52:19,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21126 conditions, 10804 events. 3483/10804 cut-off events. For 5004/5457 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 90471 event pairs, 1082 based on Foata normal form. 449/10873 useless extension candidates. Maximal degree in co-relation 20938. Up to 4155 conditions per place. [2023-11-10 11:52:19,955 INFO L140 encePairwiseOnDemand]: 850/887 looper letters, 395 selfloop transitions, 113 changer transitions 0/1220 dead transitions. [2023-11-10 11:52:19,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 921 places, 1220 transitions, 4264 flow [2023-11-10 11:52:19,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-10 11:52:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2023-11-10 11:52:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 26820 transitions. [2023-11-10 11:52:19,975 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8399098083427283 [2023-11-10 11:52:19,975 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 26820 transitions. [2023-11-10 11:52:19,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 26820 transitions. [2023-11-10 11:52:19,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:19,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 26820 transitions. [2023-11-10 11:52:20,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 745.0) internal successors, (26820), 36 states have internal predecessors, (26820), 0 states have call successors, (0), 0 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 11:52:20,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 887.0) internal successors, (32819), 37 states have internal predecessors, (32819), 0 states have call successors, (0), 0 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 11:52:20,038 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 887.0) internal successors, (32819), 37 states have internal predecessors, (32819), 0 states have call successors, (0), 0 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 11:52:20,039 INFO L175 Difference]: Start difference. First operand has 886 places, 905 transitions, 2265 flow. Second operand 36 states and 26820 transitions. [2023-11-10 11:52:20,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 921 places, 1220 transitions, 4264 flow [2023-11-10 11:52:20,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 917 places, 1220 transitions, 4244 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-10 11:52:20,093 INFO L231 Difference]: Finished difference. Result has 950 places, 982 transitions, 3016 flow [2023-11-10 11:52:20,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=2245, PETRI_DIFFERENCE_MINUEND_PLACES=882, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=905, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=834, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=3016, PETRI_PLACES=950, PETRI_TRANSITIONS=982} [2023-11-10 11:52:20,095 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 121 predicate places. [2023-11-10 11:52:20,096 INFO L495 AbstractCegarLoop]: Abstraction has has 950 places, 982 transitions, 3016 flow [2023-11-10 11:52:20,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 736.3461538461538) internal successors, (19145), 26 states have internal predecessors, (19145), 0 states have call successors, (0), 0 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 11:52:20,171 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:20,171 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:20,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:20,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-10 11:52:20,372 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 6 more)] === [2023-11-10 11:52:20,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:20,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1413723972, now seen corresponding path program 2 times [2023-11-10 11:52:20,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:20,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497636684] [2023-11-10 11:52:20,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:20,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:21,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:21,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497636684] [2023-11-10 11:52:21,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497636684] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:21,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018678473] [2023-11-10 11:52:21,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-10 11:52:21,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:21,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:21,085 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:21,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-10 11:52:21,989 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-10 11:52:21,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:52:21,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-10 11:52:22,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:22,123 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 11:52:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-10 11:52:22,792 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:22,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018678473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:22,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:22,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [10] total 29 [2023-11-10 11:52:22,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444477791] [2023-11-10 11:52:22,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:22,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-10 11:52:22,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:22,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-10 11:52:22,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2023-11-10 11:52:22,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 746 out of 887 [2023-11-10 11:52:22,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 950 places, 982 transitions, 3016 flow. Second operand has 21 states, 21 states have (on average 749.6666666666666) internal successors, (15743), 21 states have internal predecessors, (15743), 0 states have call successors, (0), 0 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 11:52:22,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:22,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 746 of 887 [2023-11-10 11:52:22,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:25,918 INFO L124 PetriNetUnfolderBase]: 2097/8402 cut-off events. [2023-11-10 11:52:25,918 INFO L125 PetriNetUnfolderBase]: For 6225/6804 co-relation queries the response was YES. [2023-11-10 11:52:25,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16678 conditions, 8402 events. 2097/8402 cut-off events. For 6225/6804 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 72240 event pairs, 471 based on Foata normal form. 575/8670 useless extension candidates. Maximal degree in co-relation 16459. Up to 1083 conditions per place. [2023-11-10 11:52:25,989 INFO L140 encePairwiseOnDemand]: 854/887 looper letters, 232 selfloop transitions, 94 changer transitions 0/1115 dead transitions. [2023-11-10 11:52:25,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 975 places, 1115 transitions, 4410 flow [2023-11-10 11:52:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-10 11:52:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-10 11:52:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 19610 transitions. [2023-11-10 11:52:26,004 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8503165380279247 [2023-11-10 11:52:26,004 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 19610 transitions. [2023-11-10 11:52:26,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 19610 transitions. [2023-11-10 11:52:26,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:26,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 19610 transitions. [2023-11-10 11:52:26,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 754.2307692307693) internal successors, (19610), 26 states have internal predecessors, (19610), 0 states have call successors, (0), 0 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 11:52:26,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 887.0) internal successors, (23949), 27 states have internal predecessors, (23949), 0 states have call successors, (0), 0 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 11:52:26,044 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 887.0) internal successors, (23949), 27 states have internal predecessors, (23949), 0 states have call successors, (0), 0 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 11:52:26,044 INFO L175 Difference]: Start difference. First operand has 950 places, 982 transitions, 3016 flow. Second operand 26 states and 19610 transitions. [2023-11-10 11:52:26,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 975 places, 1115 transitions, 4410 flow [2023-11-10 11:52:26,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 973 places, 1115 transitions, 4286 flow, removed 26 selfloop flow, removed 2 redundant places. [2023-11-10 11:52:26,094 INFO L231 Difference]: Finished difference. Result has 980 places, 991 transitions, 3210 flow [2023-11-10 11:52:26,096 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=2892, PETRI_DIFFERENCE_MINUEND_PLACES=948, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=982, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=889, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=3210, PETRI_PLACES=980, PETRI_TRANSITIONS=991} [2023-11-10 11:52:26,096 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 151 predicate places. [2023-11-10 11:52:26,097 INFO L495 AbstractCegarLoop]: Abstraction has has 980 places, 991 transitions, 3210 flow [2023-11-10 11:52:26,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 749.6666666666666) internal successors, (15743), 21 states have internal predecessors, (15743), 0 states have call successors, (0), 0 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 11:52:26,099 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:26,100 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:26,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-10 11:52:26,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:26,312 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 6 more)] === [2023-11-10 11:52:26,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:26,313 INFO L85 PathProgramCache]: Analyzing trace with hash -988751448, now seen corresponding path program 2 times [2023-11-10 11:52:26,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:26,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875121577] [2023-11-10 11:52:26,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:26,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:26,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:26,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875121577] [2023-11-10 11:52:26,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875121577] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:26,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813062917] [2023-11-10 11:52:26,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-10 11:52:26,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:26,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:26,976 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:27,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-10 11:52:28,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-10 11:52:28,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:52:28,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-10 11:52:29,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:29,120 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:29,120 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:52:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:29,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813062917] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:52:29,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:52:29,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-11-10 11:52:29,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968691457] [2023-11-10 11:52:29,274 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:52:29,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-10 11:52:29,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:29,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-10 11:52:29,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2023-11-10 11:52:29,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 823 out of 887 [2023-11-10 11:52:29,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 980 places, 991 transitions, 3210 flow. Second operand has 19 states, 19 states have (on average 826.1052631578947) internal successors, (15696), 19 states have internal predecessors, (15696), 0 states have call successors, (0), 0 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 11:52:29,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:29,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 823 of 887 [2023-11-10 11:52:29,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:30,812 INFO L124 PetriNetUnfolderBase]: 206/2756 cut-off events. [2023-11-10 11:52:30,812 INFO L125 PetriNetUnfolderBase]: For 1285/1294 co-relation queries the response was YES. [2023-11-10 11:52:30,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4368 conditions, 2756 events. 206/2756 cut-off events. For 1285/1294 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 15278 event pairs, 2 based on Foata normal form. 18/2681 useless extension candidates. Maximal degree in co-relation 4104. Up to 57 conditions per place. [2023-11-10 11:52:30,829 INFO L140 encePairwiseOnDemand]: 871/887 looper letters, 55 selfloop transitions, 27 changer transitions 0/1038 dead transitions. [2023-11-10 11:52:30,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1000 places, 1038 transitions, 3554 flow [2023-11-10 11:52:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-10 11:52:30,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-10 11:52:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 17374 transitions. [2023-11-10 11:52:30,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9327320556181886 [2023-11-10 11:52:30,850 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 17374 transitions. [2023-11-10 11:52:30,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 17374 transitions. [2023-11-10 11:52:30,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:30,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 17374 transitions. [2023-11-10 11:52:30,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 827.3333333333334) internal successors, (17374), 21 states have internal predecessors, (17374), 0 states have call successors, (0), 0 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 11:52:30,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 887.0) internal successors, (19514), 22 states have internal predecessors, (19514), 0 states have call successors, (0), 0 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 11:52:30,881 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 887.0) internal successors, (19514), 22 states have internal predecessors, (19514), 0 states have call successors, (0), 0 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 11:52:30,882 INFO L175 Difference]: Start difference. First operand has 980 places, 991 transitions, 3210 flow. Second operand 21 states and 17374 transitions. [2023-11-10 11:52:30,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1000 places, 1038 transitions, 3554 flow [2023-11-10 11:52:30,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 976 places, 1038 transitions, 3355 flow, removed 20 selfloop flow, removed 24 redundant places. [2023-11-10 11:52:30,916 INFO L231 Difference]: Finished difference. Result has 987 places, 1002 transitions, 3183 flow [2023-11-10 11:52:30,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=3011, PETRI_DIFFERENCE_MINUEND_PLACES=956, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=973, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3183, PETRI_PLACES=987, PETRI_TRANSITIONS=1002} [2023-11-10 11:52:30,918 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 158 predicate places. [2023-11-10 11:52:30,918 INFO L495 AbstractCegarLoop]: Abstraction has has 987 places, 1002 transitions, 3183 flow [2023-11-10 11:52:30,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 826.1052631578947) internal successors, (15696), 19 states have internal predecessors, (15696), 0 states have call successors, (0), 0 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 11:52:30,921 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:30,921 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:30,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-10 11:52:31,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-10 11:52:31,134 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 6 more)] === [2023-11-10 11:52:31,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:31,134 INFO L85 PathProgramCache]: Analyzing trace with hash -45342878, now seen corresponding path program 3 times [2023-11-10 11:52:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:31,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074249728] [2023-11-10 11:52:31,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:31,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:32,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:32,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074249728] [2023-11-10 11:52:32,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074249728] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:32,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849116311] [2023-11-10 11:52:32,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-10 11:52:32,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:32,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:32,403 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:32,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-10 11:54:59,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-10 11:54:59,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:54:59,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-10 11:54:59,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:54:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:54:59,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:55:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:55:00,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849116311] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:55:00,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:55:00,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 43 [2023-11-10 11:55:00,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238586063] [2023-11-10 11:55:00,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:55:00,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-11-10 11:55:00,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:55:00,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-11-10 11:55:00,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=445, Invalid=1361, Unknown=0, NotChecked=0, Total=1806 [2023-11-10 11:55:00,615 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 817 out of 887 [2023-11-10 11:55:00,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 987 places, 1002 transitions, 3183 flow. Second operand has 43 states, 43 states have (on average 820.4186046511628) internal successors, (35278), 43 states have internal predecessors, (35278), 0 states have call successors, (0), 0 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 11:55:00,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:55:00,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 817 of 887 [2023-11-10 11:55:00,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:55:14,632 INFO L124 PetriNetUnfolderBase]: 211/2909 cut-off events. [2023-11-10 11:55:14,633 INFO L125 PetriNetUnfolderBase]: For 2054/2063 co-relation queries the response was YES. [2023-11-10 11:55:14,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4580 conditions, 2909 events. 211/2909 cut-off events. For 2054/2063 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 15442 event pairs, 2 based on Foata normal form. 22/2838 useless extension candidates. Maximal degree in co-relation 4321. Up to 57 conditions per place. [2023-11-10 11:55:14,655 INFO L140 encePairwiseOnDemand]: 866/887 looper letters, 99 selfloop transitions, 70 changer transitions 0/1119 dead transitions. [2023-11-10 11:55:14,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1043 places, 1119 transitions, 4161 flow [2023-11-10 11:55:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-11-10 11:55:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2023-11-10 11:55:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 46751 transitions. [2023-11-10 11:55:14,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.924682054629245 [2023-11-10 11:55:14,697 INFO L72 ComplementDD]: Start complementDD. Operand 57 states and 46751 transitions. [2023-11-10 11:55:14,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 46751 transitions. [2023-11-10 11:55:14,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:55:14,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 57 states and 46751 transitions. [2023-11-10 11:55:14,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 57 states have (on average 820.1929824561404) internal successors, (46751), 57 states have internal predecessors, (46751), 0 states have call successors, (0), 0 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 11:55:14,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 58 states, 58 states have (on average 887.0) internal successors, (51446), 58 states have internal predecessors, (51446), 0 states have call successors, (0), 0 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 11:55:14,799 INFO L81 ComplementDD]: Finished complementDD. Result has 58 states, 58 states have (on average 887.0) internal successors, (51446), 58 states have internal predecessors, (51446), 0 states have call successors, (0), 0 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 11:55:14,800 INFO L175 Difference]: Start difference. First operand has 987 places, 1002 transitions, 3183 flow. Second operand 57 states and 46751 transitions. [2023-11-10 11:55:14,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1043 places, 1119 transitions, 4161 flow [2023-11-10 11:55:14,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1036 places, 1119 transitions, 4141 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-10 11:55:14,833 INFO L231 Difference]: Finished difference. Result has 1037 places, 1039 transitions, 3654 flow [2023-11-10 11:55:14,835 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=3163, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1002, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=57, PETRI_FLOW=3654, PETRI_PLACES=1037, PETRI_TRANSITIONS=1039} [2023-11-10 11:55:14,835 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 208 predicate places. [2023-11-10 11:55:14,836 INFO L495 AbstractCegarLoop]: Abstraction has has 1037 places, 1039 transitions, 3654 flow [2023-11-10 11:55:14,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 820.4186046511628) internal successors, (35278), 43 states have internal predecessors, (35278), 0 states have call successors, (0), 0 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 11:55:14,841 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:55:14,841 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:14,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-10 11:55:15,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-10 11:55:15,062 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 6 more)] === [2023-11-10 11:55:15,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:55:15,062 INFO L85 PathProgramCache]: Analyzing trace with hash -557787818, now seen corresponding path program 4 times [2023-11-10 11:55:15,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:55:15,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432577747] [2023-11-10 11:55:15,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:55:15,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:55:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:55:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 0 proven. 1870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:55:17,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:55:17,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432577747] [2023-11-10 11:55:17,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432577747] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:55:17,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223408412] [2023-11-10 11:55:17,369 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-10 11:55:17,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:55:17,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:55:17,373 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:55:17,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-10 11:55:20,721 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-10 11:55:20,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:55:20,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 1619 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-10 11:55:20,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:55:21,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 0 proven. 1870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:55:21,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:55:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1870 backedges. 0 proven. 1870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:55:23,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223408412] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:55:23,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:55:23,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 75 [2023-11-10 11:55:23,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633161932] [2023-11-10 11:55:23,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:55:23,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2023-11-10 11:55:23,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:55:23,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2023-11-10 11:55:23,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1343, Invalid=4207, Unknown=0, NotChecked=0, Total=5550 [2023-11-10 11:55:23,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 823 out of 887 [2023-11-10 11:55:23,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1037 places, 1039 transitions, 3654 flow. Second operand has 75 states, 75 states have (on average 826.7733333333333) internal successors, (62008), 75 states have internal predecessors, (62008), 0 states have call successors, (0), 0 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 11:55:23,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:55:23,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 823 of 887 [2023-11-10 11:55:23,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:56:53,529 INFO L124 PetriNetUnfolderBase]: 211/3101 cut-off events. [2023-11-10 11:56:53,529 INFO L125 PetriNetUnfolderBase]: For 3981/3990 co-relation queries the response was YES. [2023-11-10 11:56:53,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5205 conditions, 3101 events. 211/3101 cut-off events. For 3981/3990 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 15436 event pairs, 2 based on Foata normal form. 33/3041 useless extension candidates. Maximal degree in co-relation 4945. Up to 57 conditions per place. [2023-11-10 11:56:53,548 INFO L140 encePairwiseOnDemand]: 877/887 looper letters, 165 selfloop transitions, 75 changer transitions 0/1196 dead transitions. [2023-11-10 11:56:53,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1087 places, 1196 transitions, 5122 flow [2023-11-10 11:56:53,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-11-10 11:56:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2023-11-10 11:56:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 42206 transitions. [2023-11-10 11:56:53,575 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9329973251983995 [2023-11-10 11:56:53,576 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 42206 transitions. [2023-11-10 11:56:53,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 42206 transitions. [2023-11-10 11:56:53,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:56:53,586 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 42206 transitions. [2023-11-10 11:56:53,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 827.5686274509804) internal successors, (42206), 51 states have internal predecessors, (42206), 0 states have call successors, (0), 0 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 11:56:53,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 887.0) internal successors, (46124), 52 states have internal predecessors, (46124), 0 states have call successors, (0), 0 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 11:56:53,657 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 887.0) internal successors, (46124), 52 states have internal predecessors, (46124), 0 states have call successors, (0), 0 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 11:56:53,658 INFO L175 Difference]: Start difference. First operand has 1037 places, 1039 transitions, 3654 flow. Second operand 51 states and 42206 transitions. [2023-11-10 11:56:53,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1087 places, 1196 transitions, 5122 flow [2023-11-10 11:56:53,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1053 places, 1196 transitions, 4901 flow, removed 45 selfloop flow, removed 34 redundant places. [2023-11-10 11:56:53,695 INFO L231 Difference]: Finished difference. Result has 1078 places, 1064 transitions, 4012 flow [2023-11-10 11:56:53,697 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=887, PETRI_DIFFERENCE_MINUEND_FLOW=3433, PETRI_DIFFERENCE_MINUEND_PLACES=1003, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=988, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=4012, PETRI_PLACES=1078, PETRI_TRANSITIONS=1064} [2023-11-10 11:56:53,697 INFO L281 CegarLoopForPetriNet]: 829 programPoint places, 249 predicate places. [2023-11-10 11:56:53,697 INFO L495 AbstractCegarLoop]: Abstraction has has 1078 places, 1064 transitions, 4012 flow [2023-11-10 11:56:53,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 826.7733333333333) internal successors, (62008), 75 states have internal predecessors, (62008), 0 states have call successors, (0), 0 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 11:56:53,707 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:56:53,707 INFO L208 CegarLoopForPetriNet]: trace histogram [46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:56:53,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-10 11:56:53,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-10 11:56:53,922 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 6 more)] === [2023-11-10 11:56:53,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:56:53,923 INFO L85 PathProgramCache]: Analyzing trace with hash -951619434, now seen corresponding path program 5 times [2023-11-10 11:56:53,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:56:53,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274210467] [2023-11-10 11:56:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:56:53,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:56:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:56:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8326 backedges. 0 proven. 8326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:56:59,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:56:59,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274210467] [2023-11-10 11:56:59,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274210467] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:56:59,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551279741] [2023-11-10 11:56:59,217 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-10 11:56:59,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:56:59,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:56:59,221 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:56:59,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process Received shutdown request... [2023-11-10 12:00:35,232 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-10 12:00:35,249 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-10 12:00:36,254 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 [2023-11-10 12:00:36,454 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forcibly destroying the process [2023-11-10 12:00:36,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 137 [2023-11-10 12:00:36,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-10 12:00:36,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-10 12:00:36,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2023-11-10 12:00:36,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094794873] [2023-11-10 12:00:36,469 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-10 12:00:36,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-10 12:00:36,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 12:00:36,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-10 12:00:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2023-11-10 12:00:36,494 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 823 out of 887 [2023-11-10 12:00:36,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1078 places, 1064 transitions, 4012 flow. Second operand has 51 states, 51 states have (on average 826.8235294117648) internal successors, (42168), 51 states have internal predecessors, (42168), 0 states have call successors, (0), 0 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 12:00:36,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 12:00:36,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 823 of 887 [2023-11-10 12:00:36,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 12:00:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-10 12:00:36,519 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2023-11-10 12:00:36,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-10 12:00:36,520 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 823/887 universal loopers) in iteration 15,while PetriNetUnfolder was constructing finite prefix that currently has 89 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2023-11-10 12:00:36,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2023-11-10 12:00:36,524 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 12:00:36,529 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-10 12:00:36,529 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-10 12:00:36,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:00:36 BasicIcfg [2023-11-10 12:00:36,533 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-10 12:00:36,534 INFO L158 Benchmark]: Toolchain (without parser) took 540684.71ms. Allocated memory was 268.4MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 207.4MB in the beginning and 400.9MB in the end (delta: -193.5MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-11-10 12:00:36,534 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 190.8MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 12:00:36,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7697.45ms. Allocated memory was 268.4MB in the beginning and 385.9MB in the end (delta: 117.4MB). Free memory was 207.4MB in the beginning and 248.3MB in the end (delta: -40.9MB). Peak memory consumption was 134.7MB. Max. memory is 8.0GB. [2023-11-10 12:00:36,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.62ms. Allocated memory is still 385.9MB. Free memory was 248.3MB in the beginning and 236.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-10 12:00:36,535 INFO L158 Benchmark]: Boogie Preprocessor took 91.08ms. Allocated memory is still 385.9MB. Free memory was 236.2MB in the beginning and 230.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-11-10 12:00:36,535 INFO L158 Benchmark]: RCFGBuilder took 1332.06ms. Allocated memory is still 385.9MB. Free memory was 230.5MB in the beginning and 301.6MB in the end (delta: -71.1MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. [2023-11-10 12:00:36,535 INFO L158 Benchmark]: TraceAbstraction took 531355.68ms. Allocated memory was 385.9MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 301.0MB in the beginning and 400.9MB in the end (delta: -99.8MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-11-10 12:00:36,538 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 190.8MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 7697.45ms. Allocated memory was 268.4MB in the beginning and 385.9MB in the end (delta: 117.4MB). Free memory was 207.4MB in the beginning and 248.3MB in the end (delta: -40.9MB). Peak memory consumption was 134.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 200.62ms. Allocated memory is still 385.9MB. Free memory was 248.3MB in the beginning and 236.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 91.08ms. Allocated memory is still 385.9MB. Free memory was 236.2MB in the beginning and 230.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1332.06ms. Allocated memory is still 385.9MB. Free memory was 230.5MB in the beginning and 301.6MB in the end (delta: -71.1MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. * TraceAbstraction took 531355.68ms. Allocated memory was 385.9MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 301.0MB in the beginning and 400.9MB in the end (delta: -99.8MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 823/887 universal loopers) in iteration 15,while PetriNetUnfolder was constructing finite prefix that currently has 89 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 823/887 universal loopers) in iteration 15,while PetriNetUnfolder was constructing finite prefix that currently has 89 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 823/887 universal loopers) in iteration 15,while PetriNetUnfolder was constructing finite prefix that currently has 89 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 823/887 universal loopers) in iteration 15,while PetriNetUnfolder was constructing finite prefix that currently has 89 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 823/887 universal loopers) in iteration 15,while PetriNetUnfolder was constructing finite prefix that currently has 89 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (51states, 823/887 universal loopers) in iteration 15,while PetriNetUnfolder was constructing finite prefix that currently has 89 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1021 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 531.2s, OverallIterations: 15, TraceHistogramMax: 46, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 127.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3056 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3056 mSDsluCounter, 8007 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7096 mSDsCounter, 127 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12074 IncrementalHoareTripleChecker+Invalid, 12201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 127 mSolverCounterUnsat, 911 mSDtfsCounter, 12074 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6570 GetRequests, 5981 SyntacticMatches, 0 SemanticMatches, 589 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8483 ImplicationChecksByTransitivity, 110.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4012occurred in iteration=14, InterpolantAutomatonStates: 320, 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: 1.0s SsaConstructionTime, 156.1s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 9928 NumberOfCodeBlocks, 9896 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 11661 ConstructedInterpolants, 1 QuantifiedInterpolants, 29797 SizeOfPredicates, 136 NumberOfNonLiveVariables, 13825 ConjunctsInSsa, 404 ConjunctsInUnsatCore, 31 InterpolantComputations, 10 PerfectInterpolantSequences, 110/15425 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown