/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 FINITE_AUTOMATA -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 17:25:38,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 17:25:38,645 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 17:25:38,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 17:25:38,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 17:25:38,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 17:25:38,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 17:25:38,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 17:25:38,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 17:25:38,672 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 17:25:38,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 17:25:38,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 17:25:38,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 17:25:38,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 17:25:38,674 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 17:25:38,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 17:25:38,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 17:25:38,674 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 17:25:38,675 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 17:25:38,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:38,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:38,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 17:25:38,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 17:25:38,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 17:25:38,677 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 -> FINITE_AUTOMATA [2025-04-13 17:25:38,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 17:25:38,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 17:25:38,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 17:25:38,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 17:25:38,917 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 17:25:38,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2025-04-13 17:25:40,274 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8618f8ce/63855a86380e40d7b42429b119b79463/FLAG90eeaf7a4 [2025-04-13 17:25:40,747 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 17:25:40,747 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2025-04-13 17:25:40,787 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8618f8ce/63855a86380e40d7b42429b119b79463/FLAG90eeaf7a4 [2025-04-13 17:25:41,477 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8618f8ce/63855a86380e40d7b42429b119b79463 [2025-04-13 17:25:41,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 17:25:41,480 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 17:25:41,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:41,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 17:25:41,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 17:25:41,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:41" (1/1) ... [2025-04-13 17:25:41,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5308aa38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:41, skipping insertion in model container [2025-04-13 17:25:41,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:41" (1/1) ... [2025-04-13 17:25:41,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 17:25:41,836 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_current_pc8736x_gpio_set.i[5520,5533] [2025-04-13 17:25:46,249 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:46,250 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:46,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:46,324 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 17:25:46,342 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_current_pc8736x_gpio_set.i[5520,5533] [2025-04-13 17:25:46,417 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 17:25:46,418 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 17:25:46,418 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 17:25:46,418 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 17:25:46,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-13 17:25:46,502 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:46,502 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:46,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:46,838 INFO L204 MainTranslator]: Completed translation [2025-04-13 17:25:46,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46 WrapperNode [2025-04-13 17:25:46,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:46,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:46,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 17:25:46,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 17:25:46,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:46,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:46,949 INFO L138 Inliner]: procedures = 1392, calls = 1539, calls flagged for inlining = 397, calls inlined = 51, statements flattened = 712 [2025-04-13 17:25:46,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:46,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 17:25:46,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 17:25:46,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 17:25:46,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:46,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:46,966 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:46,994 INFO L175 MemorySlicer]: Split 68 memory accesses to 10 slices as follows [2, 1, 2, 4, 9, 9, 10, 25, 4, 2]. 37 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 1, 2, 0, 4, 4, 8, 25, 4, 0]. The 6 writes are split as follows [0, 0, 0, 1, 2, 0, 1, 0, 0, 2]. [2025-04-13 17:25:46,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:46,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:47,009 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:47,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:47,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:47,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:47,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:47,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 17:25:47,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 17:25:47,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 17:25:47,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 17:25:47,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (1/1) ... [2025-04-13 17:25:47,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:47,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:47,082 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 17:25:47,087 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 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-13 17:25:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2025-04-13 17:25:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 17:25:47,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-13 17:25:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-13 17:25:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-13 17:25:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-13 17:25:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-13 17:25:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-13 17:25:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-13 17:25:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-13 17:25:47,108 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-13 17:25:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-13 17:25:47,110 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 17:25:47,424 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 17:25:47,425 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 17:25:48,108 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 17:25:48,109 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 17:25:48,109 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 17:25:49,514 INFO L313 CfgBuilder]: Removed 11 assume(true) statements. [2025-04-13 17:25:49,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:49 BoogieIcfgContainer [2025-04-13 17:25:49,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 17:25:49,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 17:25:49,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 17:25:49,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 17:25:49,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:25:41" (1/3) ... [2025-04-13 17:25:49,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7618b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:49, skipping insertion in model container [2025-04-13 17:25:49,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:46" (2/3) ... [2025-04-13 17:25:49,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7618b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:49, skipping insertion in model container [2025-04-13 17:25:49,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:49" (3/3) ... [2025-04-13 17:25:49,521 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2025-04-13 17:25:49,533 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 17:25:49,536 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i that has 3 procedures, 48 locations, 75 edges, 1 initial locations, 14 loop locations, and 3 error locations. [2025-04-13 17:25:49,536 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 17:25:49,624 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 17:25:49,651 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 77 transitions, 168 flow [2025-04-13 17:25:49,691 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 310 states, 306 states have (on average 2.911764705882353) internal successors, (891), 309 states have internal predecessors, (891), 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 17:25:49,760 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 17:25:49,766 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=FINITE_AUTOMATA, 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;@8919b74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 17:25:49,766 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-04-13 17:25:49,770 INFO L278 IsEmpty]: Start isEmpty. Operand has 310 states, 306 states have (on average 2.911764705882353) internal successors, (891), 309 states have internal predecessors, (891), 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 17:25:49,773 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-04-13 17:25:49,773 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:49,774 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-04-13 17:25:49,774 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:49,778 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:49,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1991775, now seen corresponding path program 1 times [2025-04-13 17:25:49,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:49,785 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524126974] [2025-04-13 17:25:49,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:49,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:49,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-13 17:25:50,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-13 17:25:50,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:50,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:50,627 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 17:25:50,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:50,628 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524126974] [2025-04-13 17:25:50,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524126974] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:50,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:50,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-13 17:25:50,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821901226] [2025-04-13 17:25:50,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:50,634 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-13 17:25:50,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:50,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-13 17:25:50,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 17:25:50,651 INFO L87 Difference]: Start difference. First operand has 310 states, 306 states have (on average 2.911764705882353) internal successors, (891), 309 states have internal predecessors, (891), 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) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 17:25:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:50,813 INFO L93 Difference]: Finished difference Result 617 states and 1778 transitions. [2025-04-13 17:25:50,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:25:50,816 INFO L79 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2025-04-13 17:25:50,816 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:50,828 INFO L225 Difference]: With dead ends: 617 [2025-04-13 17:25:50,828 INFO L226 Difference]: Without dead ends: 309 [2025-04-13 17:25:50,834 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 17:25:50,837 INFO L437 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:50,837 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 17:25:50,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-04-13 17:25:50,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2025-04-13 17:25:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 306 states have (on average 2.7058823529411766) internal successors, (828), 308 states have internal predecessors, (828), 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 17:25:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 828 transitions. [2025-04-13 17:25:50,888 INFO L79 Accepts]: Start accepts. Automaton has 309 states and 828 transitions. Word has length 3 [2025-04-13 17:25:50,888 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:50,888 INFO L485 AbstractCegarLoop]: Abstraction has 309 states and 828 transitions. [2025-04-13 17:25:50,889 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 17:25:50,889 INFO L278 IsEmpty]: Start isEmpty. Operand 309 states and 828 transitions. [2025-04-13 17:25:50,889 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-04-13 17:25:50,889 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:50,889 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:50,890 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 17:25:50,890 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:50,890 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:50,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1104018016, now seen corresponding path program 1 times [2025-04-13 17:25:50,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:50,890 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091095176] [2025-04-13 17:25:50,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:50,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-13 17:25:51,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-13 17:25:51,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:51,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:51,355 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 17:25:51,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:51,355 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091095176] [2025-04-13 17:25:51,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091095176] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:51,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:51,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:25:51,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352805972] [2025-04-13 17:25:51,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:51,356 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:51,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:51,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:51,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:51,357 INFO L87 Difference]: Start difference. First operand 309 states and 828 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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 17:25:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:51,529 INFO L93 Difference]: Finished difference Result 617 states and 1655 transitions. [2025-04-13 17:25:51,529 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:51,529 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2025-04-13 17:25:51,529 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:51,532 INFO L225 Difference]: With dead ends: 617 [2025-04-13 17:25:51,532 INFO L226 Difference]: Without dead ends: 310 [2025-04-13 17:25:51,534 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:51,535 INFO L437 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:51,535 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:51,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2025-04-13 17:25:51,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2025-04-13 17:25:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 307 states have (on average 2.7003257328990227) internal successors, (829), 309 states have internal predecessors, (829), 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 17:25:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 829 transitions. [2025-04-13 17:25:51,548 INFO L79 Accepts]: Start accepts. Automaton has 310 states and 829 transitions. Word has length 8 [2025-04-13 17:25:51,548 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:51,548 INFO L485 AbstractCegarLoop]: Abstraction has 310 states and 829 transitions. [2025-04-13 17:25:51,548 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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 17:25:51,548 INFO L278 IsEmpty]: Start isEmpty. Operand 310 states and 829 transitions. [2025-04-13 17:25:51,549 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-04-13 17:25:51,549 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:51,549 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:51,549 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 17:25:51,549 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:51,550 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:51,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1220043427, now seen corresponding path program 1 times [2025-04-13 17:25:51,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:51,550 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378010493] [2025-04-13 17:25:51,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:51,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:51,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-13 17:25:51,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-13 17:25:51,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:51,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:51,918 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 17:25:51,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:51,919 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378010493] [2025-04-13 17:25:51,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378010493] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:51,919 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328353118] [2025-04-13 17:25:51,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:51,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:51,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:51,922 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 17:25:51,924 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 17:25:52,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-13 17:25:52,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-13 17:25:52,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:52,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:52,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-13 17:25:52,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:52,399 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 17:25:52,399 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-13 17:25:52,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328353118] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:52,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-13 17:25:52,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-04-13 17:25:52,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051331528] [2025-04-13 17:25:52,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:52,400 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:52,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:52,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:52,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-13 17:25:52,400 INFO L87 Difference]: Start difference. First operand 310 states and 829 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 17:25:52,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:52,621 INFO L93 Difference]: Finished difference Result 340 states and 892 transitions. [2025-04-13 17:25:52,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:52,622 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) Word has length 9 [2025-04-13 17:25:52,622 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:52,624 INFO L225 Difference]: With dead ends: 340 [2025-04-13 17:25:52,624 INFO L226 Difference]: Without dead ends: 286 [2025-04-13 17:25:52,624 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-13 17:25:52,626 INFO L437 NwaCegarLoop]: 2 mSDtfsCounter, 27 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:52,627 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 3 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:52,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2025-04-13 17:25:52,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 274. [2025-04-13 17:25:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 271 states have (on average 2.6863468634686347) internal successors, (728), 273 states have internal predecessors, (728), 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 17:25:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 728 transitions. [2025-04-13 17:25:52,645 INFO L79 Accepts]: Start accepts. Automaton has 274 states and 728 transitions. Word has length 9 [2025-04-13 17:25:52,645 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:52,645 INFO L485 AbstractCegarLoop]: Abstraction has 274 states and 728 transitions. [2025-04-13 17:25:52,645 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 17:25:52,645 INFO L278 IsEmpty]: Start isEmpty. Operand 274 states and 728 transitions. [2025-04-13 17:25:52,646 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-04-13 17:25:52,646 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:52,646 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:52,656 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 17:25:52,846 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:52,847 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:52,847 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:52,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2079984974, now seen corresponding path program 1 times [2025-04-13 17:25:52,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:52,847 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72624502] [2025-04-13 17:25:52,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:52,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:52,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-13 17:25:52,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-13 17:25:52,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:52,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:52,946 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 17:25:52,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:52,947 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72624502] [2025-04-13 17:25:52,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72624502] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:52,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:52,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 17:25:52,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845156891] [2025-04-13 17:25:52,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:52,948 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:52,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:52,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:52,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:52,950 INFO L87 Difference]: Start difference. First operand 274 states and 728 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 17:25:53,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:53,141 INFO L93 Difference]: Finished difference Result 468 states and 1224 transitions. [2025-04-13 17:25:53,141 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:53,141 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2025-04-13 17:25:53,141 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:53,143 INFO L225 Difference]: With dead ends: 468 [2025-04-13 17:25:53,143 INFO L226 Difference]: Without dead ends: 338 [2025-04-13 17:25:53,143 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:53,144 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:53,144 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:53,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-04-13 17:25:53,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 322. [2025-04-13 17:25:53,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 319 states have (on average 2.699059561128527) internal successors, (861), 321 states have internal predecessors, (861), 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 17:25:53,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 861 transitions. [2025-04-13 17:25:53,154 INFO L79 Accepts]: Start accepts. Automaton has 322 states and 861 transitions. Word has length 14 [2025-04-13 17:25:53,154 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:53,154 INFO L485 AbstractCegarLoop]: Abstraction has 322 states and 861 transitions. [2025-04-13 17:25:53,154 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 17:25:53,154 INFO L278 IsEmpty]: Start isEmpty. Operand 322 states and 861 transitions. [2025-04-13 17:25:53,155 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-04-13 17:25:53,155 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:53,156 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:53,156 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-13 17:25:53,156 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:53,156 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:53,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2022726672, now seen corresponding path program 1 times [2025-04-13 17:25:53,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:53,156 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143294510] [2025-04-13 17:25:53,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:53,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:53,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-13 17:25:53,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-13 17:25:53,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:53,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:53,378 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 17:25:53,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:53,379 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143294510] [2025-04-13 17:25:53,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143294510] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:53,379 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702760945] [2025-04-13 17:25:53,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:53,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:53,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:53,381 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) [2025-04-13 17:25:53,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-13 17:25:53,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-13 17:25:53,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-13 17:25:53,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:53,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:53,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-13 17:25:53,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:53,869 INFO L354 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 [2025-04-13 17:25:53,882 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 17:25:53,882 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-13 17:25:53,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702760945] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:53,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-13 17:25:53,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2025-04-13 17:25:53,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75881751] [2025-04-13 17:25:53,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:53,882 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 17:25:53,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:53,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 17:25:53,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-13 17:25:53,883 INFO L87 Difference]: Start difference. First operand 322 states and 861 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 17:25:54,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:54,154 INFO L93 Difference]: Finished difference Result 322 states and 861 transitions. [2025-04-13 17:25:54,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 17:25:54,155 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) Word has length 14 [2025-04-13 17:25:54,155 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:54,156 INFO L225 Difference]: With dead ends: 322 [2025-04-13 17:25:54,156 INFO L226 Difference]: Without dead ends: 158 [2025-04-13 17:25:54,157 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-13 17:25:54,157 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 38 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:54,157 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 5 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-04-13 17:25:54,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-04-13 17:25:54,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-04-13 17:25:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 2.375796178343949) internal successors, (373), 157 states have internal predecessors, (373), 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 17:25:54,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 373 transitions. [2025-04-13 17:25:54,167 INFO L79 Accepts]: Start accepts. Automaton has 158 states and 373 transitions. Word has length 14 [2025-04-13 17:25:54,167 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:54,168 INFO L485 AbstractCegarLoop]: Abstraction has 158 states and 373 transitions. [2025-04-13 17:25:54,168 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 17:25:54,168 INFO L278 IsEmpty]: Start isEmpty. Operand 158 states and 373 transitions. [2025-04-13 17:25:54,168 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-04-13 17:25:54,168 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:54,168 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:54,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-13 17:25:54,369 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:54,369 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:54,370 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:54,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1080684227, now seen corresponding path program 1 times [2025-04-13 17:25:54,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:54,370 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814121163] [2025-04-13 17:25:54,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:54,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:54,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-13 17:25:54,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-13 17:25:54,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:54,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:54,651 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 17:25:54,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:54,651 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814121163] [2025-04-13 17:25:54,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814121163] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:54,652 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319245370] [2025-04-13 17:25:54,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:54,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:54,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:54,654 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) [2025-04-13 17:25:54,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-13 17:25:54,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-13 17:25:55,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-13 17:25:55,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:55,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:55,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-13 17:25:55,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:55,151 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 17:25:55,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:55,222 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 17:25:55,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319245370] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:55,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:55,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-04-13 17:25:55,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107471980] [2025-04-13 17:25:55,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:55,223 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-13 17:25:55,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:55,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-13 17:25:55,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-04-13 17:25:55,224 INFO L87 Difference]: Start difference. First operand 158 states and 373 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 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 17:25:55,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:55,490 INFO L93 Difference]: Finished difference Result 318 states and 756 transitions. [2025-04-13 17:25:55,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-13 17:25:55,490 INFO L79 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 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) Word has length 18 [2025-04-13 17:25:55,490 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:55,491 INFO L225 Difference]: With dead ends: 318 [2025-04-13 17:25:55,491 INFO L226 Difference]: Without dead ends: 163 [2025-04-13 17:25:55,492 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-04-13 17:25:55,492 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:55,492 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:55,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-04-13 17:25:55,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2025-04-13 17:25:55,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 2.3333333333333335) internal successors, (378), 162 states have internal predecessors, (378), 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 17:25:55,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 378 transitions. [2025-04-13 17:25:55,497 INFO L79 Accepts]: Start accepts. Automaton has 163 states and 378 transitions. Word has length 18 [2025-04-13 17:25:55,497 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:55,497 INFO L485 AbstractCegarLoop]: Abstraction has 163 states and 378 transitions. [2025-04-13 17:25:55,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 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 17:25:55,497 INFO L278 IsEmpty]: Start isEmpty. Operand 163 states and 378 transitions. [2025-04-13 17:25:55,498 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-04-13 17:25:55,498 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:55,498 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:55,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-13 17:25:55,699 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:55,699 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:55,699 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash 596901814, now seen corresponding path program 2 times [2025-04-13 17:25:55,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:55,699 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159486406] [2025-04-13 17:25:55,699 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:55,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:55,744 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-13 17:25:56,051 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-04-13 17:25:56,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-13 17:25:56,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:56,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:56,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159486406] [2025-04-13 17:25:56,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159486406] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:56,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648269786] [2025-04-13 17:25:56,316 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:56,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:56,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:56,319 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) [2025-04-13 17:25:56,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-13 17:25:56,577 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-13 17:25:57,136 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-04-13 17:25:57,136 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-13 17:25:57,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:57,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-13 17:25:57,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:57,214 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:57,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:57,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648269786] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:57,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:57,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-04-13 17:25:57,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156747161] [2025-04-13 17:25:57,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:57,317 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 17:25:57,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:57,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 17:25:57,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2025-04-13 17:25:57,318 INFO L87 Difference]: Start difference. First operand 163 states and 378 transitions. Second operand has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 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 17:25:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:58,530 INFO L93 Difference]: Finished difference Result 329 states and 775 transitions. [2025-04-13 17:25:58,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-13 17:25:58,534 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 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) Word has length 21 [2025-04-13 17:25:58,534 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:58,535 INFO L225 Difference]: With dead ends: 329 [2025-04-13 17:25:58,535 INFO L226 Difference]: Without dead ends: 172 [2025-04-13 17:25:58,535 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=258, Unknown=0, NotChecked=0, Total=420 [2025-04-13 17:25:58,536 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:58,536 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-04-13 17:25:58,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-04-13 17:25:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2025-04-13 17:25:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 171 states have (on average 2.263157894736842) internal successors, (387), 171 states have internal predecessors, (387), 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 17:25:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 387 transitions. [2025-04-13 17:25:58,542 INFO L79 Accepts]: Start accepts. Automaton has 172 states and 387 transitions. Word has length 21 [2025-04-13 17:25:58,542 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:58,542 INFO L485 AbstractCegarLoop]: Abstraction has 172 states and 387 transitions. [2025-04-13 17:25:58,542 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 16 states have internal predecessors, (33), 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 17:25:58,542 INFO L278 IsEmpty]: Start isEmpty. Operand 172 states and 387 transitions. [2025-04-13 17:25:58,543 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-04-13 17:25:58,543 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:58,543 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:58,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-13 17:25:58,743 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:58,743 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:25:58,744 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1259421632, now seen corresponding path program 3 times [2025-04-13 17:25:58,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:58,744 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310512142] [2025-04-13 17:25:58,744 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 17:25:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:58,809 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 6 equivalence classes. [2025-04-13 17:25:59,121 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 27 of 27 statements. [2025-04-13 17:25:59,121 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-13 17:25:59,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:59,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:59,758 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310512142] [2025-04-13 17:25:59,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310512142] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:59,758 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038300142] [2025-04-13 17:25:59,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 17:25:59,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:59,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:59,760 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 17:25:59,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-13 17:26:00,017 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 6 equivalence classes. [2025-04-13 17:26:03,640 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 27 of 27 statements. [2025-04-13 17:26:03,640 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-13 17:26:03,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:26:03,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-13 17:26:03,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:26:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:03,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:26:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:04,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038300142] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:26:04,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:26:04,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2025-04-13 17:26:04,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170670373] [2025-04-13 17:26:04,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:26:04,139 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-13 17:26:04,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:26:04,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-13 17:26:04,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=905, Unknown=0, NotChecked=0, Total=1122 [2025-04-13 17:26:04,140 INFO L87 Difference]: Start difference. First operand 172 states and 387 transitions. Second operand has 34 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 33 states have internal predecessors, (50), 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 17:26:07,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:26:07,104 INFO L93 Difference]: Finished difference Result 350 states and 814 transitions. [2025-04-13 17:26:07,104 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-13 17:26:07,105 INFO L79 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 33 states have internal predecessors, (50), 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) Word has length 27 [2025-04-13 17:26:07,105 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:26:07,106 INFO L225 Difference]: With dead ends: 350 [2025-04-13 17:26:07,106 INFO L226 Difference]: Without dead ends: 190 [2025-04-13 17:26:07,107 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=467, Invalid=1425, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 17:26:07,107 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-04-13 17:26:07,107 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-04-13 17:26:07,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-04-13 17:26:07,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2025-04-13 17:26:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 2.142857142857143) internal successors, (405), 189 states have internal predecessors, (405), 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 17:26:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 405 transitions. [2025-04-13 17:26:07,116 INFO L79 Accepts]: Start accepts. Automaton has 190 states and 405 transitions. Word has length 27 [2025-04-13 17:26:07,116 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:26:07,116 INFO L485 AbstractCegarLoop]: Abstraction has 190 states and 405 transitions. [2025-04-13 17:26:07,116 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 33 states have internal predecessors, (50), 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 17:26:07,116 INFO L278 IsEmpty]: Start isEmpty. Operand 190 states and 405 transitions. [2025-04-13 17:26:07,116 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-04-13 17:26:07,116 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:26:07,116 INFO L218 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:26:07,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-13 17:26:07,317 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:26:07,317 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:26:07,317 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:26:07,317 INFO L85 PathProgramCache]: Analyzing trace with hash -636850410, now seen corresponding path program 4 times [2025-04-13 17:26:07,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:26:07,318 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535013752] [2025-04-13 17:26:07,318 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 17:26:07,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:26:07,438 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-04-13 17:26:07,604 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-04-13 17:26:07,604 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 17:26:07,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:26:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:08,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:26:08,760 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535013752] [2025-04-13 17:26:08,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535013752] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:26:08,760 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983047881] [2025-04-13 17:26:08,760 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-13 17:26:08,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:26:08,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:26:08,762 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 17:26:08,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-13 17:26:09,008 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 39 statements into 2 equivalence classes. [2025-04-13 17:26:15,056 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-04-13 17:26:15,056 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-13 17:26:15,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:26:15,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-04-13 17:26:15,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:26:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:15,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:26:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:16,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983047881] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:26:16,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:26:16,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2025-04-13 17:26:16,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578946589] [2025-04-13 17:26:16,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:26:16,691 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-13 17:26:16,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:26:16,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-13 17:26:16,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1234, Invalid=3596, Unknown=0, NotChecked=0, Total=4830 [2025-04-13 17:26:16,693 INFO L87 Difference]: Start difference. First operand 190 states and 405 transitions. Second operand has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 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 17:28:18,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:28:18,980 INFO L93 Difference]: Finished difference Result 385 states and 871 transitions. [2025-04-13 17:28:18,980 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 17:28:18,980 INFO L79 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 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) Word has length 39 [2025-04-13 17:28:18,980 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:28:18,982 INFO L225 Difference]: With dead ends: 385 [2025-04-13 17:28:18,982 INFO L226 Difference]: Without dead ends: 219 [2025-04-13 17:28:18,984 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2527 ImplicationChecksByTransitivity, 119.1s TimeCoverageRelationStatistics Valid=2752, Invalid=5620, Unknown=0, NotChecked=0, Total=8372 [2025-04-13 17:28:18,984 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1966 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 1966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2025-04-13 17:28:18,984 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 2137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 1966 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2025-04-13 17:28:18,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-04-13 17:28:19,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2025-04-13 17:28:19,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.9908256880733946) internal successors, (434), 218 states have internal predecessors, (434), 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 17:28:19,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 434 transitions. [2025-04-13 17:28:19,019 INFO L79 Accepts]: Start accepts. Automaton has 219 states and 434 transitions. Word has length 39 [2025-04-13 17:28:19,019 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:28:19,019 INFO L485 AbstractCegarLoop]: Abstraction has 219 states and 434 transitions. [2025-04-13 17:28:19,019 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 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 17:28:19,019 INFO L278 IsEmpty]: Start isEmpty. Operand 219 states and 434 transitions. [2025-04-13 17:28:19,021 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-04-13 17:28:19,021 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:28:19,021 INFO L218 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:28:19,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-13 17:28:19,221 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:28:19,221 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 17:28:19,222 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:28:19,222 INFO L85 PathProgramCache]: Analyzing trace with hash 855963264, now seen corresponding path program 5 times [2025-04-13 17:28:19,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:28:19,222 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915799878] [2025-04-13 17:28:19,222 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 17:28:19,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:28:19,280 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 63 statements into 24 equivalence classes. [2025-04-13 17:28:20,463 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) and asserted 63 of 63 statements. [2025-04-13 17:28:20,464 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2025-04-13 17:28:20,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:28:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:28:22,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:28:22,992 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915799878] [2025-04-13 17:28:22,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915799878] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:28:22,992 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142834182] [2025-04-13 17:28:22,992 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-13 17:28:22,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:28:22,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:28:22,994 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 17:28:22,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-13 17:28:23,286 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 63 statements into 24 equivalence classes. Received shutdown request... [2025-04-13 17:40:12,876 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-13 17:40:12,886 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-13 17:40:13,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2025-04-13 17:40:14,087 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2025-04-13 17:40:14,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2025-04-13 17:40:14,111 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-13 17:40:14,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-13 17:40:14,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2025-04-13 17:40:14,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148774666] [2025-04-13 17:40:14,112 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-13 17:40:14,112 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-04-13 17:40:14,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:40:14,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-04-13 17:40:14,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 17:40:14,113 INFO L87 Difference]: Start difference. First operand 219 states and 434 transitions. Second operand has 49 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 48 states have internal predecessors, (63), 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 17:40:14,121 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:40:14,122 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 17:40:14,122 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-13 17:40:14,122 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-13 17:40:14,123 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2025-04-13 17:40:14,125 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-13 17:40:14,125 WARN L610 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (219states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). [2025-04-13 17:40:14,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2025-04-13 17:40:14,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2025-04-13 17:40:14,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2025-04-13 17:40:14,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2025-04-13 17:40:14,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2025-04-13 17:40:14,127 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2025-04-13 17:40:14,129 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2025-04-13 17:40:14,132 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 17:40:14,132 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 17:40:14,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 05:40:14 BasicIcfg [2025-04-13 17:40:14,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 17:40:14,134 INFO L158 Benchmark]: Toolchain (without parser) took 872654.75ms. Allocated memory was 155.2MB in the beginning and 717.2MB in the end (delta: 562.0MB). Free memory was 97.9MB in the beginning and 513.0MB in the end (delta: -415.1MB). Peak memory consumption was 148.4MB. Max. memory is 8.0GB. [2025-04-13 17:40:14,134 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:40:14,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5359.45ms. Allocated memory was 155.2MB in the beginning and 394.3MB in the end (delta: 239.1MB). Free memory was 97.2MB in the beginning and 310.9MB in the end (delta: -213.7MB). Peak memory consumption was 114.0MB. Max. memory is 8.0GB. [2025-04-13 17:40:14,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.36ms. Allocated memory is still 394.3MB. Free memory was 310.9MB in the beginning and 299.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 17:40:14,135 INFO L158 Benchmark]: Boogie Preprocessor took 102.77ms. Allocated memory is still 394.3MB. Free memory was 299.5MB in the beginning and 289.2MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-13 17:40:14,135 INFO L158 Benchmark]: RCFGBuilder took 2460.51ms. Allocated memory is still 394.3MB. Free memory was 289.2MB in the beginning and 107.4MB in the end (delta: 181.8MB). Peak memory consumption was 230.1MB. Max. memory is 8.0GB. [2025-04-13 17:40:14,139 INFO L158 Benchmark]: TraceAbstraction took 864618.65ms. Allocated memory was 394.3MB in the beginning and 717.2MB in the end (delta: 323.0MB). Free memory was 107.4MB in the beginning and 513.0MB in the end (delta: -405.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:40:14,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5359.45ms. Allocated memory was 155.2MB in the beginning and 394.3MB in the end (delta: 239.1MB). Free memory was 97.2MB in the beginning and 310.9MB in the end (delta: -213.7MB). Peak memory consumption was 114.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 109.36ms. Allocated memory is still 394.3MB. Free memory was 310.9MB in the beginning and 299.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 102.77ms. Allocated memory is still 394.3MB. Free memory was 299.5MB in the beginning and 289.2MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2460.51ms. Allocated memory is still 394.3MB. Free memory was 289.2MB in the beginning and 107.4MB in the end (delta: 181.8MB). Peak memory consumption was 230.1MB. Max. memory is 8.0GB. * TraceAbstraction took 864618.65ms. Allocated memory was 394.3MB in the beginning and 717.2MB in the end (delta: 323.0MB). Free memory was 107.4MB in the beginning and 513.0MB in the end (delta: -405.6MB). There was no memory consumed. 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (219states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (219states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7083]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (219states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7082]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (219states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (219states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 75 locations, 114 edges, 7 error locations. Started 1 CEGAR loops. OverallTime: 864.4s, OverallIterations: 10, TraceHistogramMax: 46, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 127.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 304 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4586 IncrementalHoareTripleChecker+Invalid, 4890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 304 mSolverCounterUnsat, 16 mSDtfsCounter, 4586 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 365 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3181 ImplicationChecksByTransitivity, 122.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=322occurred in iteration=4, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 13.0s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 429 ConstructedInterpolants, 0 QuantifiedInterpolants, 2165 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4441 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 3/2043 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown