/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis PETRI_NET -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 19:38:39,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 19:38:40,043 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-13 19:38:40,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 19:38:40,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 19:38:40,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 19:38:40,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 19:38:40,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 19:38:40,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 19:38:40,072 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 19:38:40,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 19:38:40,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 19:38:40,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 19:38:40,073 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 19:38:40,074 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 19:38:40,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 19:38:40,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 19:38:40,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 19:38:40,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 19:38:40,075 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 19:38:40,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 19:38:40,075 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> PETRI_NET [2025-04-13 19:38:40,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 19:38:40,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 19:38:40,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 19:38:40,307 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 19:38:40,308 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 19:38:40,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2025-04-13 19:38:41,577 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50dd1a60/623d7b06bf7a477e9ecc11d16273900e/FLAG1da793c29 [2025-04-13 19:38:42,048 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 19:38:42,049 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2025-04-13 19:38:42,091 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50dd1a60/623d7b06bf7a477e9ecc11d16273900e/FLAG1da793c29 [2025-04-13 19:38:42,579 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d50dd1a60/623d7b06bf7a477e9ecc11d16273900e [2025-04-13 19:38:42,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 19:38:42,582 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 19:38:42,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 19:38:42,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 19:38:42,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 19:38:42,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 07:38:42" (1/1) ... [2025-04-13 19:38:42,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2543760e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:42, skipping insertion in model container [2025-04-13 19:38:42,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 07:38:42" (1/1) ... [2025-04-13 19:38:42,647 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 19:38:42,957 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5520,5533] [2025-04-13 19:38:46,978 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 19:38:46,978 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 19:38:47,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 19:38:47,051 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 19:38:47,068 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5520,5533] [2025-04-13 19:38:47,146 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 19:38:47,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 19:38:47,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 19:38:47,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 19:38:47,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-13 19:38:47,260 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 19:38:47,260 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 19:38:47,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 19:38:47,571 INFO L204 MainTranslator]: Completed translation [2025-04-13 19:38:47,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47 WrapperNode [2025-04-13 19:38:47,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 19:38:47,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 19:38:47,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 19:38:47,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 19:38:47,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,710 INFO L138 Inliner]: procedures = 1392, calls = 1531, calls flagged for inlining = 397, calls inlined = 75, statements flattened = 845 [2025-04-13 19:38:47,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 19:38:47,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 19:38:47,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 19:38:47,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 19:38:47,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,759 INFO L175 MemorySlicer]: Split 71 memory accesses to 10 slices as follows [2, 1, 5, 9, 9, 4, 10, 25, 4, 2]. 35 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 1, 2, 4, 4, 0, 8, 25, 4, 0]. The 8 writes are split as follows [0, 0, 2, 2, 0, 1, 1, 0, 0, 2]. [2025-04-13 19:38:47,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 19:38:47,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 19:38:47,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 19:38:47,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 19:38:47,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (1/1) ... [2025-04-13 19:38:47,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 19:38:47,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 19:38:47,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-13 19:38:47,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-13 19:38:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-13 19:38:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 19:38:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-13 19:38:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-13 19:38:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 19:38:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 19:38:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-13 19:38:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-13 19:38:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-13 19:38:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-13 19:38:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 19:38:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 19:38:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-13 19:38:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-13 19:38:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-13 19:38:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-13 19:38:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-13 19:38:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-13 19:38:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-13 19:38:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-13 19:38:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-13 19:38:47,911 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 19:38:48,235 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 19:38:48,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 19:38:49,018 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 19:38:49,019 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 19:38:49,019 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 19:38:50,651 INFO L313 CfgBuilder]: Removed 11 assume(true) statements. [2025-04-13 19:38:50,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 07:38:50 BoogieIcfgContainer [2025-04-13 19:38:50,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 19:38:50,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 19:38:50,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 19:38:50,656 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 19:38:50,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 07:38:42" (1/3) ... [2025-04-13 19:38:50,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f12588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 07:38:50, skipping insertion in model container [2025-04-13 19:38:50,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 07:38:47" (2/3) ... [2025-04-13 19:38:50,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f12588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 07:38:50, skipping insertion in model container [2025-04-13 19:38:50,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 07:38:50" (3/3) ... [2025-04-13 19:38:50,657 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2025-04-13 19:38:50,671 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 19:38:50,674 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i that has 3 procedures, 54 locations, 89 edges, 1 initial locations, 14 loop locations, and 3 error locations. [2025-04-13 19:38:50,674 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 19:38:50,771 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 19:38:50,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 91 transitions, 196 flow [2025-04-13 19:38:50,840 INFO L116 PetriNetUnfolderBase]: 38/89 cut-off events. [2025-04-13 19:38:50,842 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-13 19:38:50,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 89 events. 38/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 182 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 60. Up to 7 conditions per place. [2025-04-13 19:38:50,846 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 91 transitions, 196 flow [2025-04-13 19:38:50,848 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 87 transitions, 183 flow [2025-04-13 19:38:50,856 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 19:38:50,867 INFO L340 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, 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;@62183b73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 19:38:50,867 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-04-13 19:38:50,877 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-13 19:38:50,878 INFO L116 PetriNetUnfolderBase]: 5/9 cut-off events. [2025-04-13 19:38:50,878 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-13 19:38:50,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 19:38:50,878 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-04-13 19:38:50,878 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 19:38:50,882 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 19:38:50,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2404037, now seen corresponding path program 1 times [2025-04-13 19:38:50,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 19:38:50,888 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540155691] [2025-04-13 19:38:50,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 19:38:50,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 19:38:51,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-13 19:38:51,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-13 19:38:51,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 19:38:51,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 19:38:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 19:38:51,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 19:38:51,670 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540155691] [2025-04-13 19:38:51,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540155691] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 19:38:51,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 19:38:51,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-13 19:38:51,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233694946] [2025-04-13 19:38:51,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 19:38:51,679 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-13 19:38:51,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 19:38:51,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-13 19:38:51,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 19:38:51,699 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 91 [2025-04-13 19:38:51,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 87 transitions, 183 flow. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:51,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-13 19:38:51,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 91 [2025-04-13 19:38:51,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-13 19:38:52,090 INFO L116 PetriNetUnfolderBase]: 1084/1579 cut-off events. [2025-04-13 19:38:52,090 INFO L117 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2025-04-13 19:38:52,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3189 conditions, 1579 events. 1084/1579 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5434 event pairs, 613 based on Foata normal form. 0/1104 useless extension candidates. Maximal degree in co-relation 3042. Up to 1562 conditions per place. [2025-04-13 19:38:52,105 INFO L140 encePairwiseOnDemand]: 78/91 looper letters, 72 selfloop transitions, 0 changer transitions 1/74 dead transitions. [2025-04-13 19:38:52,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 74 transitions, 303 flow [2025-04-13 19:38:52,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 19:38:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-04-13 19:38:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 92 transitions. [2025-04-13 19:38:52,116 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.5054945054945055 [2025-04-13 19:38:52,117 INFO L175 Difference]: Start difference. First operand has 56 places, 87 transitions, 183 flow. Second operand 2 states and 92 transitions. [2025-04-13 19:38:52,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 74 transitions, 303 flow [2025-04-13 19:38:52,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 74 transitions, 298 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-04-13 19:38:52,124 INFO L231 Difference]: Finished difference. Result has 52 places, 73 transitions, 150 flow [2025-04-13 19:38:52,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=150, PETRI_PLACES=52, PETRI_TRANSITIONS=73} [2025-04-13 19:38:52,128 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2025-04-13 19:38:52,128 INFO L485 AbstractCegarLoop]: Abstraction has has 52 places, 73 transitions, 150 flow [2025-04-13 19:38:52,128 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:52,128 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 19:38:52,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 19:38:52,129 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 19:38:52,129 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 19:38:52,133 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 19:38:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash -2093081, now seen corresponding path program 1 times [2025-04-13 19:38:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 19:38:52,133 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052128495] [2025-04-13 19:38:52,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 19:38:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 19:38:52,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-13 19:38:52,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-13 19:38:52,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 19:38:52,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 19:38:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 19:38:52,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 19:38:52,650 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052128495] [2025-04-13 19:38:52,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052128495] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 19:38:52,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 19:38:52,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 19:38:52,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315878602] [2025-04-13 19:38:52,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 19:38:52,651 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 19:38:52,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 19:38:52,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 19:38:52,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 19:38:52,651 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 91 [2025-04-13 19:38:52,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 73 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:52,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-13 19:38:52,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 91 [2025-04-13 19:38:52,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-13 19:38:52,989 INFO L116 PetriNetUnfolderBase]: 1027/1494 cut-off events. [2025-04-13 19:38:52,989 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-13 19:38:52,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3002 conditions, 1494 events. 1027/1494 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5069 event pairs, 572 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 2999. Up to 1476 conditions per place. [2025-04-13 19:38:52,994 INFO L140 encePairwiseOnDemand]: 87/91 looper letters, 71 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2025-04-13 19:38:52,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 74 transitions, 298 flow [2025-04-13 19:38:52,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 19:38:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-13 19:38:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2025-04-13 19:38:52,996 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.3076923076923077 [2025-04-13 19:38:52,996 INFO L175 Difference]: Start difference. First operand has 52 places, 73 transitions, 150 flow. Second operand 3 states and 84 transitions. [2025-04-13 19:38:52,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 74 transitions, 298 flow [2025-04-13 19:38:52,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 74 transitions, 298 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-04-13 19:38:52,998 INFO L231 Difference]: Finished difference. Result has 54 places, 74 transitions, 164 flow [2025-04-13 19:38:52,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=54, PETRI_TRANSITIONS=74} [2025-04-13 19:38:53,000 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, -2 predicate places. [2025-04-13 19:38:53,000 INFO L485 AbstractCegarLoop]: Abstraction has has 54 places, 74 transitions, 164 flow [2025-04-13 19:38:53,000 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:53,000 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 19:38:53,000 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 19:38:53,000 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 19:38:53,000 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 19:38:53,001 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 19:38:53,001 INFO L85 PathProgramCache]: Analyzing trace with hash -435746885, now seen corresponding path program 1 times [2025-04-13 19:38:53,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 19:38:53,002 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583845651] [2025-04-13 19:38:53,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 19:38:53,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 19:38:53,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-13 19:38:53,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-13 19:38:53,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 19:38:53,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 19:38:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-13 19:38:53,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 19:38:53,120 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583845651] [2025-04-13 19:38:53,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583845651] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 19:38:53,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 19:38:53,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 19:38:53,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522410697] [2025-04-13 19:38:53,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 19:38:53,120 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 19:38:53,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 19:38:53,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 19:38:53,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 19:38:53,122 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 91 [2025-04-13 19:38:53,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 74 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:53,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-13 19:38:53,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 91 [2025-04-13 19:38:53,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-13 19:38:53,453 INFO L116 PetriNetUnfolderBase]: 1227/1810 cut-off events. [2025-04-13 19:38:53,453 INFO L117 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-04-13 19:38:53,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3613 conditions, 1810 events. 1227/1810 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6783 event pairs, 572 based on Foata normal form. 0/1332 useless extension candidates. Maximal degree in co-relation 3608. Up to 1477 conditions per place. [2025-04-13 19:38:53,462 INFO L140 encePairwiseOnDemand]: 87/91 looper letters, 98 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2025-04-13 19:38:53,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 101 transitions, 419 flow [2025-04-13 19:38:53,463 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 19:38:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-13 19:38:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2025-04-13 19:38:53,466 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.40293040293040294 [2025-04-13 19:38:53,466 INFO L175 Difference]: Start difference. First operand has 54 places, 74 transitions, 164 flow. Second operand 3 states and 110 transitions. [2025-04-13 19:38:53,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 101 transitions, 419 flow [2025-04-13 19:38:53,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 101 transitions, 415 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-04-13 19:38:53,469 INFO L231 Difference]: Finished difference. Result has 56 places, 75 transitions, 174 flow [2025-04-13 19:38:53,469 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=56, PETRI_TRANSITIONS=75} [2025-04-13 19:38:53,470 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 0 predicate places. [2025-04-13 19:38:53,470 INFO L485 AbstractCegarLoop]: Abstraction has has 56 places, 75 transitions, 174 flow [2025-04-13 19:38:53,471 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:53,471 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-13 19:38:53,471 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 19:38:53,471 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-13 19:38:53,471 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 19:38:53,471 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 19:38:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash -435806467, now seen corresponding path program 1 times [2025-04-13 19:38:53,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 19:38:53,472 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015307093] [2025-04-13 19:38:53,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 19:38:53,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 19:38:53,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-13 19:38:53,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-13 19:38:53,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 19:38:53,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 19:38:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 19:38:53,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 19:38:53,869 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015307093] [2025-04-13 19:38:53,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015307093] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 19:38:53,869 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755527800] [2025-04-13 19:38:53,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 19:38:53,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 19:38:53,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 19:38:53,873 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) [2025-04-13 19:38:53,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-13 19:38:54,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-13 19:38:54,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-13 19:38:54,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 19:38:54,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 19:38:54,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-13 19:38:54,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 19:38:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-13 19:38:54,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-13 19:38:54,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755527800] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 19:38:54,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-13 19:38:54,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-04-13 19:38:54,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223750167] [2025-04-13 19:38:54,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 19:38:54,434 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 19:38:54,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 19:38:54,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 19:38:54,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-13 19:38:54,436 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 91 [2025-04-13 19:38:54,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 75 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:54,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-13 19:38:54,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 91 [2025-04-13 19:38:54,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-13 19:38:54,766 INFO L116 PetriNetUnfolderBase]: 1170/1735 cut-off events. [2025-04-13 19:38:54,766 INFO L117 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2025-04-13 19:38:54,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3625 conditions, 1735 events. 1170/1735 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 6734 event pairs, 162 based on Foata normal form. 29/1364 useless extension candidates. Maximal degree in co-relation 3619. Up to 1206 conditions per place. [2025-04-13 19:38:54,769 INFO L140 encePairwiseOnDemand]: 87/91 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2025-04-13 19:38:54,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 97 transitions, 411 flow [2025-04-13 19:38:54,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 19:38:54,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-13 19:38:54,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2025-04-13 19:38:54,770 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2025-04-13 19:38:54,770 INFO L175 Difference]: Start difference. First operand has 56 places, 75 transitions, 174 flow. Second operand 3 states and 104 transitions. [2025-04-13 19:38:54,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 97 transitions, 411 flow [2025-04-13 19:38:54,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 97 transitions, 409 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-13 19:38:54,773 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2025-04-13 19:38:54,773 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2025-04-13 19:38:54,773 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 0 predicate places. [2025-04-13 19:38:54,773 INFO L485 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2025-04-13 19:38:54,773 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 19:38:54,775 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2025-04-13 19:38:54,776 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2025-04-13 19:38:54,776 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-04-13 19:38:54,776 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2025-04-13 19:38:54,776 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2025-04-13 19:38:54,776 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2025-04-13 19:38:54,776 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2025-04-13 19:38:54,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-04-13 19:38:54,976 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 19:38:54,977 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-04-13 19:38:54,980 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 19:38:54,980 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 19:38:54,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 07:38:54 BasicIcfg [2025-04-13 19:38:54,983 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 19:38:54,984 INFO L158 Benchmark]: Toolchain (without parser) took 12402.15ms. Allocated memory was 167.8MB in the beginning and 855.6MB in the end (delta: 687.9MB). Free memory was 107.1MB in the beginning and 677.9MB in the end (delta: -570.8MB). Peak memory consumption was 551.1MB. Max. memory is 8.0GB. [2025-04-13 19:38:54,984 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 19:38:54,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4988.90ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 53.1MB in the end (delta: 53.5MB). Peak memory consumption was 119.2MB. Max. memory is 8.0GB. [2025-04-13 19:38:54,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.04ms. Allocated memory is still 167.8MB. Free memory was 53.1MB in the beginning and 40.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 19:38:54,986 INFO L158 Benchmark]: Boogie Preprocessor took 146.39ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 40.5MB in the beginning and 353.3MB in the end (delta: -312.8MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB. [2025-04-13 19:38:54,986 INFO L158 Benchmark]: RCFGBuilder took 2793.19ms. Allocated memory is still 427.8MB. Free memory was 353.3MB in the beginning and 159.3MB in the end (delta: 194.0MB). Peak memory consumption was 284.9MB. Max. memory is 8.0GB. [2025-04-13 19:38:54,986 INFO L158 Benchmark]: TraceAbstraction took 4330.45ms. Allocated memory was 427.8MB in the beginning and 855.6MB in the end (delta: 427.8MB). Free memory was 159.3MB in the beginning and 677.9MB in the end (delta: -518.6MB). Peak memory consumption was 341.6MB. Max. memory is 8.0GB. [2025-04-13 19:38:54,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4988.90ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 53.1MB in the end (delta: 53.5MB). Peak memory consumption was 119.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 139.04ms. Allocated memory is still 167.8MB. Free memory was 53.1MB in the beginning and 40.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 146.39ms. Allocated memory was 167.8MB in the beginning and 427.8MB in the end (delta: 260.0MB). Free memory was 40.5MB in the beginning and 353.3MB in the end (delta: -312.8MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB. * RCFGBuilder took 2793.19ms. Allocated memory is still 427.8MB. Free memory was 353.3MB in the beginning and 159.3MB in the end (delta: 194.0MB). Peak memory consumption was 284.9MB. Max. memory is 8.0GB. * TraceAbstraction took 4330.45ms. Allocated memory was 427.8MB in the beginning and 855.6MB in the end (delta: 427.8MB). Free memory was 159.3MB in the beginning and 677.9MB in the end (delta: -518.6MB). Peak memory consumption was 341.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 175]: 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: 175]: 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, 87 locations, 142 edges, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 534 IncrementalHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 534 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=183occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 113 SizeOfPredicates, 1 NumberOfNonLiveVariables, 669 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2/3 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-13 19:38:55,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...