/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_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.fix-rcfgbuilder-lbe-0ccecc1-m [2023-11-10 11:52:01,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-10 11:52:01,980 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 11:52:02,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-10 11:52:02,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-10 11:52:02,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-10 11:52:02,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-10 11:52:02,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-10 11:52:02,002 INFO L153 SettingsManager]: * Use SBE=true [2023-11-10 11:52:02,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-10 11:52:02,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-10 11:52:02,003 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-10 11:52:02,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-10 11:52:02,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-10 11:52:02,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-10 11:52:02,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-10 11:52:02,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-10 11:52:02,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-10 11:52:02,005 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-10 11:52:02,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-10 11:52:02,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-10 11:52:02,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-10 11:52:02,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-10 11:52:02,010 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-10 11:52:02,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-10 11:52:02,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:52:02,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-10 11:52:02,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-10 11:52:02,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-10 11:52:02,011 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-10 11:52:02,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-10 11:52:02,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-10 11:52:02,012 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-10 11:52:02,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-10 11:52:02,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-10 11:52:02,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-10 11:52:02,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-10 11:52:02,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-10 11:52:02,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-10 11:52:02,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-10 11:52:03,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-10 11:52:03,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-10 11:52:03,655 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-10 11:52:03,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c0a3bc6/a9dfee7668f64807a8eaa2007e095cf2/FLAG2a69dd9c3 [2023-11-10 11:52:03,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c0a3bc6/a9dfee7668f64807a8eaa2007e095cf2 [2023-11-10 11:52:03,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-10 11:52:03,857 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-10 11:52:03,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-10 11:52:03,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-10 11:52:03,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-10 11:52:03,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54bc1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:03, skipping insertion in model container [2023-11-10 11:52:03,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:52:03" (1/1) ... [2023-11-10 11:52:03,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-10 11:52:04,254 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_get_pc8736x_gpio_set.i[5469,5482] [2023-11-10 11:52:08,728 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:52:09,218 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,219 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:52:09,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-10 11:52:09,292 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_get_pc8736x_gpio_set.i[5469,5482] [2023-11-10 11:52:09,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:52:09,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:52:09,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:52:09,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-10 11:52:09,431 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-10 11:52:09,455 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-10 11:52:09,487 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,487 WARN L1577 CHandler]: Possible shadowing of function iminor [2023-11-10 11:52:09,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-10 11:52:09,899 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:09,900 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:09,900 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:09,900 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:09,900 WARN L672 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:09,900 WARN L672 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:09,900 WARN L672 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-10 11:52:09,905 INFO L206 MainTranslator]: Completed translation [2023-11-10 11:52:09,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09 WrapperNode [2023-11-10 11:52:09,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-10 11:52:09,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-10 11:52:09,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-10 11:52:09,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-10 11:52:09,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:09,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,044 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 698 [2023-11-10 11:52:10,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-10 11:52:10,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-10 11:52:10,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-10 11:52:10,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-10 11:52:10,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-10 11:52:10,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-10 11:52:10,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-10 11:52:10,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-10 11:52:10,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (1/1) ... [2023-11-10 11:52:10,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-10 11:52:10,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:10,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-10 11:52:10,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-10 11:52:10,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-10 11:52:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-10 11:52:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-10 11:52:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-10 11:52:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-10 11:52:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-10 11:52:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-10 11:52:10,211 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-10 11:52:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-10 11:52:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-10 11:52:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-10 11:52:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-10 11:52:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-10 11:52:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-10 11:52:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-10 11:52:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-10 11:52:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-10 11:52:10,214 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-10 11:52:10,555 INFO L236 CfgBuilder]: Building ICFG [2023-11-10 11:52:10,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-10 11:52:11,233 INFO L277 CfgBuilder]: Performing block encoding [2023-11-10 11:52:11,244 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-10 11:52:11,244 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-10 11:52:11,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:11 BoogieIcfgContainer [2023-11-10 11:52:11,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-10 11:52:11,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-10 11:52:11,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-10 11:52:11,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-10 11:52:11,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:52:03" (1/3) ... [2023-11-10 11:52:11,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746fca71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:11, skipping insertion in model container [2023-11-10 11:52:11,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:52:09" (2/3) ... [2023-11-10 11:52:11,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746fca71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:52:11, skipping insertion in model container [2023-11-10 11:52:11,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:52:11" (3/3) ... [2023-11-10 11:52:11,255 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-10 11:52:11,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-10 11:52:11,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-10 11:52:11,267 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-10 11:52:11,348 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-10 11:52:11,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 805 places, 851 transitions, 1716 flow [2023-11-10 11:52:11,532 INFO L124 PetriNetUnfolderBase]: 53/849 cut-off events. [2023-11-10 11:52:11,532 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-10 11:52:11,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 849 events. 53/849 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1123 event pairs, 0 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 793. Up to 9 conditions per place. [2023-11-10 11:52:11,540 INFO L82 GeneralOperation]: Start removeDead. Operand has 805 places, 851 transitions, 1716 flow [2023-11-10 11:52:11,552 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 794 places, 840 transitions, 1689 flow [2023-11-10 11:52:11,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-10 11:52:11,573 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;@5d093062, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-10 11:52:11,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-10 11:52:11,628 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-10 11:52:11,629 INFO L124 PetriNetUnfolderBase]: 22/441 cut-off events. [2023-11-10 11:52:11,629 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-10 11:52:11,629 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:11,630 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-10 11:52:11,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:11,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:11,635 INFO L85 PathProgramCache]: Analyzing trace with hash -204799127, now seen corresponding path program 1 times [2023-11-10 11:52:11,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:11,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211264404] [2023-11-10 11:52:11,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:11,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:12,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:12,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211264404] [2023-11-10 11:52:12,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211264404] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:12,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:12,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-10 11:52:12,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654549000] [2023-11-10 11:52:12,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:12,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-10 11:52:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:12,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-10 11:52:12,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-10 11:52:12,751 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 772 out of 851 [2023-11-10 11:52:12,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 840 transitions, 1689 flow. Second operand has 6 states, 6 states have (on average 776.6666666666666) internal successors, (4660), 6 states have internal predecessors, (4660), 0 states have call successors, (0), 0 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 11:52:12,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:12,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 772 of 851 [2023-11-10 11:52:12,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:13,073 INFO L124 PetriNetUnfolderBase]: 32/985 cut-off events. [2023-11-10 11:52:13,074 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-10 11:52:13,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 985 events. 32/985 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1770 event pairs, 2 based on Foata normal form. 25/976 useless extension candidates. Maximal degree in co-relation 947. Up to 45 conditions per place. [2023-11-10 11:52:13,083 INFO L140 encePairwiseOnDemand]: 810/851 looper letters, 41 selfloop transitions, 11 changer transitions 1/813 dead transitions. [2023-11-10 11:52:13,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 795 places, 813 transitions, 1739 flow [2023-11-10 11:52:13,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-10 11:52:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-10 11:52:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4724 transitions. [2023-11-10 11:52:13,104 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9251860556208382 [2023-11-10 11:52:13,106 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4724 transitions. [2023-11-10 11:52:13,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4724 transitions. [2023-11-10 11:52:13,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:13,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4724 transitions. [2023-11-10 11:52:13,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 787.3333333333334) internal successors, (4724), 6 states have internal predecessors, (4724), 0 states have call successors, (0), 0 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 11:52:13,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 851.0) internal successors, (5957), 7 states have internal predecessors, (5957), 0 states have call successors, (0), 0 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 11:52:13,136 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 851.0) internal successors, (5957), 7 states have internal predecessors, (5957), 0 states have call successors, (0), 0 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 11:52:13,138 INFO L175 Difference]: Start difference. First operand has 794 places, 840 transitions, 1689 flow. Second operand 6 states and 4724 transitions. [2023-11-10 11:52:13,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 795 places, 813 transitions, 1739 flow [2023-11-10 11:52:13,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 792 places, 813 transitions, 1734 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:52:13,155 INFO L231 Difference]: Finished difference. Result has 793 places, 809 transitions, 1659 flow [2023-11-10 11:52:13,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=851, PETRI_DIFFERENCE_MINUEND_FLOW=1616, PETRI_DIFFERENCE_MINUEND_PLACES=787, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=806, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=795, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1659, PETRI_PLACES=793, PETRI_TRANSITIONS=809} [2023-11-10 11:52:13,160 INFO L281 CegarLoopForPetriNet]: 794 programPoint places, -1 predicate places. [2023-11-10 11:52:13,161 INFO L495 AbstractCegarLoop]: Abstraction has has 793 places, 809 transitions, 1659 flow [2023-11-10 11:52:13,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 776.6666666666666) internal successors, (4660), 6 states have internal predecessors, (4660), 0 states have call successors, (0), 0 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 11:52:13,163 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:13,164 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] [2023-11-10 11:52:13,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-10 11:52:13,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:13,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1228104123, now seen corresponding path program 1 times [2023-11-10 11:52:13,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:13,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717083632] [2023-11-10 11:52:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:13,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:13,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:13,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:13,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717083632] [2023-11-10 11:52:13,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717083632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:13,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:13,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-10 11:52:13,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321190057] [2023-11-10 11:52:13,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:13,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-10 11:52:13,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:13,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-10 11:52:13,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-10 11:52:13,550 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 779 out of 851 [2023-11-10 11:52:13,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 793 places, 809 transitions, 1659 flow. Second operand has 9 states, 9 states have (on average 781.3333333333334) internal successors, (7032), 9 states have internal predecessors, (7032), 0 states have call successors, (0), 0 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 11:52:13,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:13,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 779 of 851 [2023-11-10 11:52:13,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:13,850 INFO L124 PetriNetUnfolderBase]: 28/933 cut-off events. [2023-11-10 11:52:13,850 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2023-11-10 11:52:13,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 933 events. 28/933 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1551 event pairs, 0 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 522. Up to 16 conditions per place. [2023-11-10 11:52:13,853 INFO L140 encePairwiseOnDemand]: 833/851 looper letters, 22 selfloop transitions, 17 changer transitions 0/805 dead transitions. [2023-11-10 11:52:13,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 805 transitions, 1729 flow [2023-11-10 11:52:13,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-10 11:52:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-10 11:52:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 14061 transitions. [2023-11-10 11:52:13,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.917939678809244 [2023-11-10 11:52:13,875 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 14061 transitions. [2023-11-10 11:52:13,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 14061 transitions. [2023-11-10 11:52:13,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:13,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 14061 transitions. [2023-11-10 11:52:13,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 781.1666666666666) internal successors, (14061), 18 states have internal predecessors, (14061), 0 states have call successors, (0), 0 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 11:52:13,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 851.0) internal successors, (16169), 19 states have internal predecessors, (16169), 0 states have call successors, (0), 0 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 11:52:13,946 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 851.0) internal successors, (16169), 19 states have internal predecessors, (16169), 0 states have call successors, (0), 0 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 11:52:13,946 INFO L175 Difference]: Start difference. First operand has 793 places, 809 transitions, 1659 flow. Second operand 18 states and 14061 transitions. [2023-11-10 11:52:13,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 805 transitions, 1729 flow [2023-11-10 11:52:13,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 802 places, 805 transitions, 1714 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-10 11:52:13,962 INFO L231 Difference]: Finished difference. Result has 802 places, 805 transitions, 1670 flow [2023-11-10 11:52:13,965 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=851, PETRI_DIFFERENCE_MINUEND_FLOW=1636, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=805, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=788, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1670, PETRI_PLACES=802, PETRI_TRANSITIONS=805} [2023-11-10 11:52:13,968 INFO L281 CegarLoopForPetriNet]: 794 programPoint places, 8 predicate places. [2023-11-10 11:52:13,969 INFO L495 AbstractCegarLoop]: Abstraction has has 802 places, 805 transitions, 1670 flow [2023-11-10 11:52:13,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 781.3333333333334) internal successors, (7032), 9 states have internal predecessors, (7032), 0 states have call successors, (0), 0 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 11:52:13,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:13,971 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] [2023-11-10 11:52:13,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-10 11:52:13,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:13,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:13,972 INFO L85 PathProgramCache]: Analyzing trace with hash 231962979, now seen corresponding path program 1 times [2023-11-10 11:52:13,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:13,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160946927] [2023-11-10 11:52:13,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:13,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-10 11:52:14,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:14,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160946927] [2023-11-10 11:52:14,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160946927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:14,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-10 11:52:14,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-10 11:52:14,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084117559] [2023-11-10 11:52:14,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:14,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-10 11:52:14,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:14,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-10 11:52:14,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-10 11:52:14,495 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 789 out of 851 [2023-11-10 11:52:14,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 802 places, 805 transitions, 1670 flow. Second operand has 5 states, 5 states have (on average 791.0) internal successors, (3955), 5 states have internal predecessors, (3955), 0 states have call successors, (0), 0 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 11:52:14,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:14,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 789 of 851 [2023-11-10 11:52:14,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:14,645 INFO L124 PetriNetUnfolderBase]: 28/940 cut-off events. [2023-11-10 11:52:14,645 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2023-11-10 11:52:14,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 940 events. 28/940 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1549 event pairs, 0 based on Foata normal form. 0/911 useless extension candidates. Maximal degree in co-relation 506. Up to 24 conditions per place. [2023-11-10 11:52:14,649 INFO L140 encePairwiseOnDemand]: 844/851 looper letters, 28 selfloop transitions, 6 changer transitions 0/809 dead transitions. [2023-11-10 11:52:14,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 809 transitions, 1746 flow [2023-11-10 11:52:14,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-10 11:52:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-10 11:52:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3979 transitions. [2023-11-10 11:52:14,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9351351351351351 [2023-11-10 11:52:14,655 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 3979 transitions. [2023-11-10 11:52:14,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 3979 transitions. [2023-11-10 11:52:14,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:14,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 3979 transitions. [2023-11-10 11:52:14,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 795.8) internal successors, (3979), 5 states have internal predecessors, (3979), 0 states have call successors, (0), 0 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 11:52:14,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 851.0) internal successors, (5106), 6 states have internal predecessors, (5106), 0 states have call successors, (0), 0 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 11:52:14,667 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 851.0) internal successors, (5106), 6 states have internal predecessors, (5106), 0 states have call successors, (0), 0 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 11:52:14,668 INFO L175 Difference]: Start difference. First operand has 802 places, 805 transitions, 1670 flow. Second operand 5 states and 3979 transitions. [2023-11-10 11:52:14,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 809 transitions, 1746 flow [2023-11-10 11:52:14,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 789 places, 809 transitions, 1712 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-11-10 11:52:14,681 INFO L231 Difference]: Finished difference. Result has 790 places, 806 transitions, 1656 flow [2023-11-10 11:52:14,682 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=851, PETRI_DIFFERENCE_MINUEND_FLOW=1636, PETRI_DIFFERENCE_MINUEND_PLACES=785, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=805, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=799, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1656, PETRI_PLACES=790, PETRI_TRANSITIONS=806} [2023-11-10 11:52:14,683 INFO L281 CegarLoopForPetriNet]: 794 programPoint places, -4 predicate places. [2023-11-10 11:52:14,684 INFO L495 AbstractCegarLoop]: Abstraction has has 790 places, 806 transitions, 1656 flow [2023-11-10 11:52:14,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 791.0) internal successors, (3955), 5 states have internal predecessors, (3955), 0 states have call successors, (0), 0 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 11:52:14,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:14,685 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] [2023-11-10 11:52:14,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-10 11:52:14,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:14,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:14,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1560101851, now seen corresponding path program 1 times [2023-11-10 11:52:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:14,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734171483] [2023-11-10 11:52:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:15,241 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 11:52:15,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:15,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734171483] [2023-11-10 11:52:15,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734171483] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:15,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536325573] [2023-11-10 11:52:15,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:15,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:15,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:15,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-10 11:52:15,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-10 11:52:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:15,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-10 11:52:15,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:15,860 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 11:52:15,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:52:15,948 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 11:52:15,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536325573] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:52:15,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:52:15,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2023-11-10 11:52:15,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380238726] [2023-11-10 11:52:15,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:52:15,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-10 11:52:15,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:15,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-10 11:52:15,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-10 11:52:15,961 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 789 out of 851 [2023-11-10 11:52:15,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 790 places, 806 transitions, 1656 flow. Second operand has 12 states, 12 states have (on average 791.1666666666666) internal successors, (9494), 12 states have internal predecessors, (9494), 0 states have call successors, (0), 0 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 11:52:15,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:15,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 789 of 851 [2023-11-10 11:52:15,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:16,329 INFO L124 PetriNetUnfolderBase]: 28/963 cut-off events. [2023-11-10 11:52:16,330 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-10 11:52:16,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1044 conditions, 963 events. 28/963 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1579 event pairs, 0 based on Foata normal form. 3/938 useless extension candidates. Maximal degree in co-relation 795. Up to 10 conditions per place. [2023-11-10 11:52:16,332 INFO L140 encePairwiseOnDemand]: 833/851 looper letters, 25 selfloop transitions, 23 changer transitions 0/823 dead transitions. [2023-11-10 11:52:16,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 823 transitions, 1790 flow [2023-11-10 11:52:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-10 11:52:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-10 11:52:16,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 11098 transitions. [2023-11-10 11:52:16,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9315091489004532 [2023-11-10 11:52:16,347 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 11098 transitions. [2023-11-10 11:52:16,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 11098 transitions. [2023-11-10 11:52:16,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:16,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 11098 transitions. [2023-11-10 11:52:16,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 792.7142857142857) internal successors, (11098), 14 states have internal predecessors, (11098), 0 states have call successors, (0), 0 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 11:52:16,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 851.0) internal successors, (12765), 15 states have internal predecessors, (12765), 0 states have call successors, (0), 0 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 11:52:16,381 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 851.0) internal successors, (12765), 15 states have internal predecessors, (12765), 0 states have call successors, (0), 0 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 11:52:16,381 INFO L175 Difference]: Start difference. First operand has 790 places, 806 transitions, 1656 flow. Second operand 14 states and 11098 transitions. [2023-11-10 11:52:16,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 823 transitions, 1790 flow [2023-11-10 11:52:16,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 823 transitions, 1780 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-10 11:52:16,392 INFO L231 Difference]: Finished difference. Result has 803 places, 813 transitions, 1735 flow [2023-11-10 11:52:16,393 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=851, PETRI_DIFFERENCE_MINUEND_FLOW=1646, PETRI_DIFFERENCE_MINUEND_PLACES=787, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=806, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=787, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1735, PETRI_PLACES=803, PETRI_TRANSITIONS=813} [2023-11-10 11:52:16,394 INFO L281 CegarLoopForPetriNet]: 794 programPoint places, 9 predicate places. [2023-11-10 11:52:16,394 INFO L495 AbstractCegarLoop]: Abstraction has has 803 places, 813 transitions, 1735 flow [2023-11-10 11:52:16,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 791.1666666666666) internal successors, (9494), 12 states have internal predecessors, (9494), 0 states have call successors, (0), 0 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 11:52:16,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:16,396 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] [2023-11-10 11:52:16,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-10 11:52:16,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:16,604 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:16,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash 896874603, now seen corresponding path program 2 times [2023-11-10 11:52:16,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:16,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153407446] [2023-11-10 11:52:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:16,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:17,270 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 11:52:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:17,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153407446] [2023-11-10 11:52:17,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153407446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:17,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440667732] [2023-11-10 11:52:17,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-10 11:52:17,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:17,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:17,272 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 11:52:17,292 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 11:52:17,762 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-10 11:52:17,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:52:17,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-10 11:52:17,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:17,822 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 11:52:17,843 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 11:52:17,891 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 11:52:17,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:17,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440667732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:17,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:17,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-10 11:52:17,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456945822] [2023-11-10 11:52:17,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:17,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-10 11:52:17,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-10 11:52:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-10 11:52:17,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 754 out of 851 [2023-11-10 11:52:17,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 813 transitions, 1735 flow. Second operand has 7 states, 7 states have (on average 760.1428571428571) internal successors, (5321), 7 states have internal predecessors, (5321), 0 states have call successors, (0), 0 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 11:52:17,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:17,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 754 of 851 [2023-11-10 11:52:17,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:18,352 INFO L124 PetriNetUnfolderBase]: 293/2046 cut-off events. [2023-11-10 11:52:18,352 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-10 11:52:18,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2717 conditions, 2046 events. 293/2046 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9490 event pairs, 131 based on Foata normal form. 0/1942 useless extension candidates. Maximal degree in co-relation 2450. Up to 234 conditions per place. [2023-11-10 11:52:18,359 INFO L140 encePairwiseOnDemand]: 840/851 looper letters, 63 selfloop transitions, 3 changer transitions 51/858 dead transitions. [2023-11-10 11:52:18,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 858 transitions, 2067 flow [2023-11-10 11:52:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-10 11:52:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-10 11:52:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 7651 transitions. [2023-11-10 11:52:18,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8990599294947121 [2023-11-10 11:52:18,369 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 7651 transitions. [2023-11-10 11:52:18,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 7651 transitions. [2023-11-10 11:52:18,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:18,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 7651 transitions. [2023-11-10 11:52:18,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 765.1) internal successors, (7651), 10 states have internal predecessors, (7651), 0 states have call successors, (0), 0 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 11:52:18,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 851.0) internal successors, (9361), 11 states have internal predecessors, (9361), 0 states have call successors, (0), 0 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 11:52:18,386 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 851.0) internal successors, (9361), 11 states have internal predecessors, (9361), 0 states have call successors, (0), 0 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 11:52:18,386 INFO L175 Difference]: Start difference. First operand has 803 places, 813 transitions, 1735 flow. Second operand 10 states and 7651 transitions. [2023-11-10 11:52:18,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 858 transitions, 2067 flow [2023-11-10 11:52:18,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 806 places, 858 transitions, 2041 flow, removed 4 selfloop flow, removed 6 redundant places. [2023-11-10 11:52:18,414 INFO L231 Difference]: Finished difference. Result has 813 places, 807 transitions, 1738 flow [2023-11-10 11:52:18,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=851, PETRI_DIFFERENCE_MINUEND_FLOW=1709, PETRI_DIFFERENCE_MINUEND_PLACES=797, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=810, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1738, PETRI_PLACES=813, PETRI_TRANSITIONS=807} [2023-11-10 11:52:18,420 INFO L281 CegarLoopForPetriNet]: 794 programPoint places, 19 predicate places. [2023-11-10 11:52:18,420 INFO L495 AbstractCegarLoop]: Abstraction has has 813 places, 807 transitions, 1738 flow [2023-11-10 11:52:18,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 760.1428571428571) internal successors, (5321), 7 states have internal predecessors, (5321), 0 states have call successors, (0), 0 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 11:52:18,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:18,422 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] [2023-11-10 11:52:18,431 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 11:52:18,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:18,629 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:18,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash -274319393, now seen corresponding path program 1 times [2023-11-10 11:52:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:18,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583061839] [2023-11-10 11:52:18,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:18,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:19,247 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 11:52:19,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:19,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583061839] [2023-11-10 11:52:19,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583061839] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:19,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75821867] [2023-11-10 11:52:19,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:19,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:19,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:19,251 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 11:52:19,252 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 11:52:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:19,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-10 11:52:19,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:19,887 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 11:52:19,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-10 11:52:20,085 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 11:52:20,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75821867] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-10 11:52:20,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-10 11:52:20,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 19 [2023-11-10 11:52:20,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122738630] [2023-11-10 11:52:20,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-10 11:52:20,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-10 11:52:20,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:20,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-10 11:52:20,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2023-11-10 11:52:20,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 789 out of 851 [2023-11-10 11:52:20,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 813 places, 807 transitions, 1738 flow. Second operand has 19 states, 19 states have (on average 791.8421052631579) internal successors, (15045), 19 states have internal predecessors, (15045), 0 states have call successors, (0), 0 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 11:52:20,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:20,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 789 of 851 [2023-11-10 11:52:20,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:21,262 INFO L124 PetriNetUnfolderBase]: 31/1078 cut-off events. [2023-11-10 11:52:21,263 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2023-11-10 11:52:21,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1294 conditions, 1078 events. 31/1078 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1879 event pairs, 0 based on Foata normal form. 1/1051 useless extension candidates. Maximal degree in co-relation 1267. Up to 15 conditions per place. [2023-11-10 11:52:21,268 INFO L140 encePairwiseOnDemand]: 833/851 looper letters, 48 selfloop transitions, 39 changer transitions 0/857 dead transitions. [2023-11-10 11:52:21,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 827 places, 857 transitions, 2096 flow [2023-11-10 11:52:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-10 11:52:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-10 11:52:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 22186 transitions. [2023-11-10 11:52:21,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9310894745677354 [2023-11-10 11:52:21,298 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 22186 transitions. [2023-11-10 11:52:21,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 22186 transitions. [2023-11-10 11:52:21,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:21,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 22186 transitions. [2023-11-10 11:52:21,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 792.3571428571429) internal successors, (22186), 28 states have internal predecessors, (22186), 0 states have call successors, (0), 0 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 11:52:21,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 851.0) internal successors, (24679), 29 states have internal predecessors, (24679), 0 states have call successors, (0), 0 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 11:52:21,350 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 851.0) internal successors, (24679), 29 states have internal predecessors, (24679), 0 states have call successors, (0), 0 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 11:52:21,350 INFO L175 Difference]: Start difference. First operand has 813 places, 807 transitions, 1738 flow. Second operand 28 states and 22186 transitions. [2023-11-10 11:52:21,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 827 places, 857 transitions, 2096 flow [2023-11-10 11:52:21,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 819 places, 857 transitions, 2062 flow, removed 15 selfloop flow, removed 8 redundant places. [2023-11-10 11:52:21,362 INFO L231 Difference]: Finished difference. Result has 820 places, 824 transitions, 1884 flow [2023-11-10 11:52:21,363 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=851, PETRI_DIFFERENCE_MINUEND_FLOW=1704, PETRI_DIFFERENCE_MINUEND_PLACES=792, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=807, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=783, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1884, PETRI_PLACES=820, PETRI_TRANSITIONS=824} [2023-11-10 11:52:21,364 INFO L281 CegarLoopForPetriNet]: 794 programPoint places, 26 predicate places. [2023-11-10 11:52:21,364 INFO L495 AbstractCegarLoop]: Abstraction has has 820 places, 824 transitions, 1884 flow [2023-11-10 11:52:21,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 791.8421052631579) internal successors, (15045), 19 states have internal predecessors, (15045), 0 states have call successors, (0), 0 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 11:52:21,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-10 11:52:21,367 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] [2023-11-10 11:52:21,377 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 11:52:21,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:21,571 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-10 11:52:21,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-10 11:52:21,571 INFO L85 PathProgramCache]: Analyzing trace with hash -212229165, now seen corresponding path program 2 times [2023-11-10 11:52:21,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-10 11:52:21,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890585345] [2023-11-10 11:52:21,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-10 11:52:21,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-10 11:52:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-10 11:52:22,640 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 11:52:22,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-10 11:52:22,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890585345] [2023-11-10 11:52:22,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890585345] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-10 11:52:22,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051228111] [2023-11-10 11:52:22,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-10 11:52:22,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:22,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-10 11:52:22,642 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 11:52:22,664 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 11:52:23,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-10 11:52:23,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-10 11:52:23,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-10 11:52:23,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-10 11:52:23,409 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-11-10 11:52:23,409 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 17 treesize of output 21 [2023-11-10 11:52:23,500 INFO L322 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2023-11-10 11:52:23,500 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 25 [2023-11-10 11:52:23,616 INFO L322 Elim1Store]: treesize reduction 24, result has 52.9 percent of original size [2023-11-10 11:52:23,617 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 3 case distinctions, treesize of input 29 treesize of output 43 [2023-11-10 11:52:23,702 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,703 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 11:52:23,738 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,738 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 11:52:23,773 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,773 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 11:52:23,809 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,809 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 11:52:23,843 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,844 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 11:52:23,874 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,875 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 11:52:23,905 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,906 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 11:52:23,940 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,940 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 11:52:23,979 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:23,979 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 11:52:24,020 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,021 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 11:52:24,055 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,055 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 11:52:24,092 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,093 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 11:52:24,123 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,123 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 11:52:24,168 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,168 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 11:52:24,203 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,204 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 11:52:24,251 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,252 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 11:52:24,282 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,283 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 11:52:24,314 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-10 11:52:24,314 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 11:52:24,407 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-10 11:52:24,407 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 20 [2023-11-10 11:52:24,515 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:52:24,515 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 11:52:25,464 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11:52:25,529 INFO L322 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-10 11:52:25,529 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 11:52:25,548 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-10 11:52:25,548 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 11:52:25,760 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 11:52:25,795 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 11:52:25,824 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 11:52:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-10 11:52:25,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-10 11:52:25,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051228111] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-10 11:52:25,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-10 11:52:25,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15] total 28 [2023-11-10 11:52:25,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036253324] [2023-11-10 11:52:25,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-10 11:52:25,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-10 11:52:25,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-10 11:52:25,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-10 11:52:25,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2023-11-10 11:52:25,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 699 out of 851 [2023-11-10 11:52:25,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 820 places, 824 transitions, 1884 flow. Second operand has 15 states, 15 states have (on average 704.9333333333333) internal successors, (10574), 15 states have internal predecessors, (10574), 0 states have call successors, (0), 0 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 11:52:25,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-10 11:52:25,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 699 of 851 [2023-11-10 11:52:25,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-10 11:52:26,672 INFO L124 PetriNetUnfolderBase]: 191/1775 cut-off events. [2023-11-10 11:52:26,672 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-11-10 11:52:26,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2384 conditions, 1775 events. 191/1775 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7162 event pairs, 85 based on Foata normal form. 0/1694 useless extension candidates. Maximal degree in co-relation 2033. Up to 173 conditions per place. [2023-11-10 11:52:26,679 INFO L140 encePairwiseOnDemand]: 835/851 looper letters, 0 selfloop transitions, 0 changer transitions 838/838 dead transitions. [2023-11-10 11:52:26,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 829 places, 838 transitions, 2184 flow [2023-11-10 11:52:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-10 11:52:26,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-10 11:52:26,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 8515 transitions. [2023-11-10 11:52:26,685 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8338229533881708 [2023-11-10 11:52:26,685 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 8515 transitions. [2023-11-10 11:52:26,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 8515 transitions. [2023-11-10 11:52:26,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-10 11:52:26,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 8515 transitions. [2023-11-10 11:52:26,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 709.5833333333334) internal successors, (8515), 12 states have internal predecessors, (8515), 0 states have call successors, (0), 0 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 11:52:26,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 851.0) internal successors, (11063), 13 states have internal predecessors, (11063), 0 states have call successors, (0), 0 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 11:52:26,705 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 851.0) internal successors, (11063), 13 states have internal predecessors, (11063), 0 states have call successors, (0), 0 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 11:52:26,705 INFO L175 Difference]: Start difference. First operand has 820 places, 824 transitions, 1884 flow. Second operand 12 states and 8515 transitions. [2023-11-10 11:52:26,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 829 places, 838 transitions, 2184 flow [2023-11-10 11:52:26,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 820 places, 838 transitions, 2152 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-11-10 11:52:26,759 INFO L231 Difference]: Finished difference. Result has 820 places, 0 transitions, 0 flow [2023-11-10 11:52:26,759 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=851, PETRI_DIFFERENCE_MINUEND_FLOW=1848, PETRI_DIFFERENCE_MINUEND_PLACES=809, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=822, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=822, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=820, PETRI_TRANSITIONS=0} [2023-11-10 11:52:26,760 INFO L281 CegarLoopForPetriNet]: 794 programPoint places, 26 predicate places. [2023-11-10 11:52:26,760 INFO L495 AbstractCegarLoop]: Abstraction has has 820 places, 0 transitions, 0 flow [2023-11-10 11:52:26,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 704.9333333333333) internal successors, (10574), 15 states have internal predecessors, (10574), 0 states have call successors, (0), 0 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 11:52:26,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-10 11:52:26,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-11-10 11:52:26,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-10 11:52:26,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-11-10 11:52:26,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-10 11:52:26,793 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 11:52:26,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-10 11:52:26,977 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2023-11-10 11:52:26,981 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-10 11:52:26,981 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-10 11:52:26,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:52:26 BasicIcfg [2023-11-10 11:52:26,987 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-10 11:52:26,987 INFO L158 Benchmark]: Toolchain (without parser) took 23130.04ms. Allocated memory was 263.2MB in the beginning and 714.1MB in the end (delta: 450.9MB). Free memory was 207.1MB in the beginning and 601.4MB in the end (delta: -394.3MB). Peak memory consumption was 393.2MB. Max. memory is 8.0GB. [2023-11-10 11:52:26,987 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 206.6MB. Free memory is still 162.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-10 11:52:26,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6045.80ms. Allocated memory is still 263.2MB. Free memory was 207.1MB in the beginning and 129.8MB in the end (delta: 77.3MB). Peak memory consumption was 132.3MB. Max. memory is 8.0GB. [2023-11-10 11:52:26,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.88ms. Allocated memory is still 263.2MB. Free memory was 129.8MB in the beginning and 118.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-10 11:52:26,988 INFO L158 Benchmark]: Boogie Preprocessor took 75.92ms. Allocated memory is still 263.2MB. Free memory was 118.3MB in the beginning and 112.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-10 11:52:26,988 INFO L158 Benchmark]: RCFGBuilder took 1127.57ms. Allocated memory was 263.2MB in the beginning and 342.9MB in the end (delta: 79.7MB). Free memory was 112.5MB in the beginning and 233.4MB in the end (delta: -120.9MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. [2023-11-10 11:52:26,988 INFO L158 Benchmark]: TraceAbstraction took 15735.67ms. Allocated memory was 342.9MB in the beginning and 714.1MB in the end (delta: 371.2MB). Free memory was 232.9MB in the beginning and 601.4MB in the end (delta: -368.5MB). Peak memory consumption was 338.2MB. Max. memory is 8.0GB. [2023-11-10 11:52:26,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 206.6MB. Free memory is still 162.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6045.80ms. Allocated memory is still 263.2MB. Free memory was 207.1MB in the beginning and 129.8MB in the end (delta: 77.3MB). Peak memory consumption was 132.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 138.88ms. Allocated memory is still 263.2MB. Free memory was 129.8MB in the beginning and 118.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.92ms. Allocated memory is still 263.2MB. Free memory was 118.3MB in the beginning and 112.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1127.57ms. Allocated memory was 263.2MB in the beginning and 342.9MB in the end (delta: 79.7MB). Free memory was 112.5MB in the beginning and 233.4MB in the end (delta: -120.9MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. * TraceAbstraction took 15735.67ms. Allocated memory was 342.9MB in the beginning and 714.1MB in the end (delta: 371.2MB). Free memory was 232.9MB in the beginning and 601.4MB in the end (delta: -368.5MB). Peak memory consumption was 338.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 951 locations, 5 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: 15.6s, OverallIterations: 7, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 678 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 678 mSDsluCounter, 969 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 749 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1400 IncrementalHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 220 mSDtfsCounter, 1400 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2232 GetRequests, 2088 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1884occurred in iteration=6, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 3727 NumberOfCodeBlocks, 3615 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4393 ConstructedInterpolants, 6 QuantifiedInterpolants, 11748 SizeOfPredicates, 44 NumberOfNonLiveVariables, 4294 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 422/1003 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-10 11:52:27,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...