/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_change_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 17:25:08,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 17:25:08,142 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 17:25:08,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 17:25:08,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 17:25:08,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 17:25:08,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 17:25:08,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 17:25:08,162 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 17:25:08,162 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 17:25:08,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 17:25:08,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 17:25:08,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 17:25:08,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 17:25:08,163 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 17:25:08,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 17:25:08,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:08,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:08,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:08,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 17:25:08,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 17:25:08,166 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 17:25:08,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 17:25:08,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 17:25:08,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 17:25:08,393 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 17:25:08,393 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 17:25:08,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2025-04-13 17:25:09,666 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beaecae61/baa1f454cc504c0f8d68419bf6afe7ea/FLAGe4a4d49be [2025-04-13 17:25:10,137 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 17:25:10,137 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2025-04-13 17:25:10,185 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beaecae61/baa1f454cc504c0f8d68419bf6afe7ea/FLAGe4a4d49be [2025-04-13 17:25:10,666 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beaecae61/baa1f454cc504c0f8d68419bf6afe7ea [2025-04-13 17:25:10,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 17:25:10,670 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 17:25:10,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:10,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 17:25:10,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 17:25:10,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:10" (1/1) ... [2025-04-13 17:25:10,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22db6414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:10, skipping insertion in model container [2025-04-13 17:25:10,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:10" (1/1) ... [2025-04-13 17:25:10,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 17:25:11,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i[5520,5533] [2025-04-13 17:25:14,992 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:14,992 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:15,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:15,049 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 17:25:15,066 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i[5520,5533] [2025-04-13 17:25:15,136 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 17:25:15,137 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 17:25:15,137 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 17:25:15,137 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 17:25:15,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-13 17:25:15,279 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:15,279 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:15,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:15,630 INFO L204 MainTranslator]: Completed translation [2025-04-13 17:25:15,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15 WrapperNode [2025-04-13 17:25:15,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:15,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:15,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 17:25:15,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 17:25:15,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,757 INFO L138 Inliner]: procedures = 1392, calls = 1539, calls flagged for inlining = 397, calls inlined = 54, statements flattened = 748 [2025-04-13 17:25:15,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:15,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 17:25:15,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 17:25:15,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 17:25:15,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,809 INFO L175 MemorySlicer]: Split 70 memory accesses to 10 slices as follows [2, 1, 2, 11, 9, 10, 25, 4, 4, 2]. 36 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 1, 2, 4, 4, 8, 25, 0, 4, 0]. The 6 writes are split as follows [0, 0, 0, 2, 0, 1, 0, 1, 0, 2]. [2025-04-13 17:25:15,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,825 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 17:25:15,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 17:25:15,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 17:25:15,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 17:25:15,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (1/1) ... [2025-04-13 17:25:15,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:15,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:15,911 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 17:25:15,913 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 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-13 17:25:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 17:25:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2025-04-13 17:25:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2025-04-13 17:25:15,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 17:25:15,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-13 17:25:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-13 17:25:15,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-13 17:25:15,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-13 17:25:15,935 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 17:25:16,266 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 17:25:16,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 17:25:16,929 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 17:25:16,929 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 17:25:16,929 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 17:25:18,614 INFO L313 CfgBuilder]: Removed 11 assume(true) statements. [2025-04-13 17:25:18,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:18 BoogieIcfgContainer [2025-04-13 17:25:18,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 17:25:18,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 17:25:18,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 17:25:18,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 17:25:18,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:25:10" (1/3) ... [2025-04-13 17:25:18,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d38f7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:18, skipping insertion in model container [2025-04-13 17:25:18,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:15" (2/3) ... [2025-04-13 17:25:18,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d38f7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:18, skipping insertion in model container [2025-04-13 17:25:18,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:18" (3/3) ... [2025-04-13 17:25:18,625 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2025-04-13 17:25:18,640 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 17:25:18,643 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i that has 3 procedures, 54 locations, 82 edges, 1 initial locations, 14 loop locations, and 4 error locations. [2025-04-13 17:25:18,644 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 17:25:18,747 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 17:25:18,776 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 84 transitions, 182 flow [2025-04-13 17:25:18,824 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 405 states, 399 states have (on average 2.854636591478697) internal successors, (1139), 404 states have internal predecessors, (1139), 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 17:25:18,846 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 17:25:18,856 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;@679d9178, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 17:25:18,856 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-13 17:25:18,860 INFO L278 IsEmpty]: Start isEmpty. Operand has 405 states, 399 states have (on average 2.854636591478697) internal successors, (1139), 404 states have internal predecessors, (1139), 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 17:25:18,865 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-04-13 17:25:18,865 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:18,865 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-04-13 17:25:18,865 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 6 more)] === [2025-04-13 17:25:18,871 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:18,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2048403, now seen corresponding path program 1 times [2025-04-13 17:25:18,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:18,878 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667437462] [2025-04-13 17:25:18,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:18,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:19,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-13 17:25:19,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-13 17:25:19,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:19,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:19,777 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 17:25:19,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:19,779 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667437462] [2025-04-13 17:25:19,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667437462] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:19,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:19,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-13 17:25:19,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257068574] [2025-04-13 17:25:19,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:19,783 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-13 17:25:19,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:19,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-13 17:25:19,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 17:25:19,798 INFO L87 Difference]: Start difference. First operand has 405 states, 399 states have (on average 2.854636591478697) internal successors, (1139), 404 states have internal predecessors, (1139), 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 17:25:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:19,972 INFO L93 Difference]: Finished difference Result 807 states and 2274 transitions. [2025-04-13 17:25:19,976 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:25:19,977 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 17:25:19,977 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:19,994 INFO L225 Difference]: With dead ends: 807 [2025-04-13 17:25:19,994 INFO L226 Difference]: Without dead ends: 404 [2025-04-13 17:25:19,998 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 17:25:20,004 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:20,004 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 17:25:20,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-04-13 17:25:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-04-13 17:25:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 399 states have (on average 2.7042606516290726) internal successors, (1079), 403 states have internal predecessors, (1079), 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 17:25:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 1079 transitions. [2025-04-13 17:25:20,056 INFO L79 Accepts]: Start accepts. Automaton has 404 states and 1079 transitions. Word has length 3 [2025-04-13 17:25:20,057 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:20,057 INFO L485 AbstractCegarLoop]: Abstraction has 404 states and 1079 transitions. [2025-04-13 17:25:20,057 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 17:25:20,059 INFO L278 IsEmpty]: Start isEmpty. Operand 404 states and 1079 transitions. [2025-04-13 17:25:20,059 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-04-13 17:25:20,059 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:20,059 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-04-13 17:25:20,059 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 17:25:20,060 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 6 more)] === [2025-04-13 17:25:20,061 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:20,061 INFO L85 PathProgramCache]: Analyzing trace with hash 899239860, now seen corresponding path program 1 times [2025-04-13 17:25:20,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:20,061 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170651698] [2025-04-13 17:25:20,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:20,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:20,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-13 17:25:20,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-13 17:25:20,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:20,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:20,459 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 17:25:20,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:20,460 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170651698] [2025-04-13 17:25:20,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170651698] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:20,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:20,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:25:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547265959] [2025-04-13 17:25:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:20,461 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:20,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:20,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:20,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:20,461 INFO L87 Difference]: Start difference. First operand 404 states and 1079 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:25:20,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:20,636 INFO L93 Difference]: Finished difference Result 807 states and 2157 transitions. [2025-04-13 17:25:20,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:20,637 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2025-04-13 17:25:20,637 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:20,640 INFO L225 Difference]: With dead ends: 807 [2025-04-13 17:25:20,640 INFO L226 Difference]: Without dead ends: 405 [2025-04-13 17:25:20,642 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 17:25:20,643 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:20,643 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:20,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-04-13 17:25:20,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-04-13 17:25:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 400 states have (on average 2.7) internal successors, (1080), 404 states have internal predecessors, (1080), 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 17:25:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 1080 transitions. [2025-04-13 17:25:20,662 INFO L79 Accepts]: Start accepts. Automaton has 405 states and 1080 transitions. Word has length 6 [2025-04-13 17:25:20,662 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:20,662 INFO L485 AbstractCegarLoop]: Abstraction has 405 states and 1080 transitions. [2025-04-13 17:25:20,662 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 17:25:20,662 INFO L278 IsEmpty]: Start isEmpty. Operand 405 states and 1080 transitions. [2025-04-13 17:25:20,662 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-04-13 17:25:20,662 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:20,662 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:20,663 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 17:25:20,663 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 6 more)] === [2025-04-13 17:25:20,663 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1991490761, now seen corresponding path program 1 times [2025-04-13 17:25:20,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:20,663 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341442718] [2025-04-13 17:25:20,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:20,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:20,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-13 17:25:20,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-13 17:25:20,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:20,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:20,947 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 17:25:20,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:20,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341442718] [2025-04-13 17:25:20,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341442718] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:20,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346138926] [2025-04-13 17:25:20,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:20,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:20,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:20,974 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 17:25:20,976 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 17:25:21,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-13 17:25:21,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-13 17:25:21,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:21,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:21,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-13 17:25:21,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:21,430 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 17:25:21,430 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:21,520 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 17:25:21,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346138926] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:21,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:21,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-04-13 17:25:21,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155646904] [2025-04-13 17:25:21,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:21,521 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-13 17:25:21,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:21,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-13 17:25:21,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-04-13 17:25:21,522 INFO L87 Difference]: Start difference. First operand 405 states and 1080 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 17:25:21,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:21,846 INFO L93 Difference]: Finished difference Result 812 states and 2170 transitions. [2025-04-13 17:25:21,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-13 17:25:21,847 INFO L79 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 7 [2025-04-13 17:25:21,847 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:21,849 INFO L225 Difference]: With dead ends: 812 [2025-04-13 17:25:21,849 INFO L226 Difference]: Without dead ends: 410 [2025-04-13 17:25:21,850 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-04-13 17:25:21,851 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:21,851 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-04-13 17:25:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-04-13 17:25:21,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2025-04-13 17:25:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 405 states have (on average 2.6790123456790123) internal successors, (1085), 409 states have internal predecessors, (1085), 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 17:25:21,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 1085 transitions. [2025-04-13 17:25:21,864 INFO L79 Accepts]: Start accepts. Automaton has 410 states and 1085 transitions. Word has length 7 [2025-04-13 17:25:21,864 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:21,864 INFO L485 AbstractCegarLoop]: Abstraction has 410 states and 1085 transitions. [2025-04-13 17:25:21,864 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 17:25:21,864 INFO L278 IsEmpty]: Start isEmpty. Operand 410 states and 1085 transitions. [2025-04-13 17:25:21,864 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-04-13 17:25:21,865 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:21,865 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:21,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-04-13 17:25:22,065 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 17:25:22,065 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:22,066 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:22,066 INFO L85 PathProgramCache]: Analyzing trace with hash -547984140, now seen corresponding path program 2 times [2025-04-13 17:25:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:22,066 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870707967] [2025-04-13 17:25:22,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:22,123 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 10 statements into 2 equivalence classes. [2025-04-13 17:25:22,186 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 10 statements. [2025-04-13 17:25:22,186 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 17:25:22,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-13 17:25:22,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:22,523 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870707967] [2025-04-13 17:25:22,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870707967] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:22,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:22,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:25:22,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915785295] [2025-04-13 17:25:22,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:22,524 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:22,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:22,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:22,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:22,525 INFO L87 Difference]: Start difference. First operand 410 states and 1085 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 17:25:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:22,736 INFO L93 Difference]: Finished difference Result 438 states and 1145 transitions. [2025-04-13 17:25:22,737 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:22,737 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 10 [2025-04-13 17:25:22,737 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:22,740 INFO L225 Difference]: With dead ends: 438 [2025-04-13 17:25:22,740 INFO L226 Difference]: Without dead ends: 378 [2025-04-13 17:25:22,740 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 17:25:22,743 INFO L437 NwaCegarLoop]: 4 mSDtfsCounter, 35 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:22,744 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 6 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-04-13 17:25:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 366. [2025-04-13 17:25:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 362 states have (on average 2.6519337016574585) internal successors, (960), 365 states have internal predecessors, (960), 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 17:25:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 960 transitions. [2025-04-13 17:25:22,762 INFO L79 Accepts]: Start accepts. Automaton has 366 states and 960 transitions. Word has length 10 [2025-04-13 17:25:22,763 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:22,763 INFO L485 AbstractCegarLoop]: Abstraction has 366 states and 960 transitions. [2025-04-13 17:25:22,763 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 17:25:22,763 INFO L278 IsEmpty]: Start isEmpty. Operand 366 states and 960 transitions. [2025-04-13 17:25:22,763 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-04-13 17:25:22,763 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:22,763 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:22,763 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-13 17:25:22,764 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:22,764 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:22,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1615055030, now seen corresponding path program 1 times [2025-04-13 17:25:22,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:22,764 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437278699] [2025-04-13 17:25:22,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:22,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:22,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-13 17:25:22,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-13 17:25:22,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:22,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:23,146 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 17:25:23,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:23,146 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437278699] [2025-04-13 17:25:23,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437278699] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:23,146 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128474783] [2025-04-13 17:25:23,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:23,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:23,148 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 17:25:23,150 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 17:25:23,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-13 17:25:23,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-13 17:25:23,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:23,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:23,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-13 17:25:23,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-13 17:25:23,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-13 17:25:23,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128474783] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:23,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-13 17:25:23,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2025-04-13 17:25:23,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467636937] [2025-04-13 17:25:23,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:23,562 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:23,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:23,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:23,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-13 17:25:23,563 INFO L87 Difference]: Start difference. First operand 366 states and 960 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 17:25:23,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:23,735 INFO L93 Difference]: Finished difference Result 366 states and 960 transitions. [2025-04-13 17:25:23,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:23,736 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 12 [2025-04-13 17:25:23,736 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:23,738 INFO L225 Difference]: With dead ends: 366 [2025-04-13 17:25:23,738 INFO L226 Difference]: Without dead ends: 351 [2025-04-13 17:25:23,738 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-13 17:25:23,739 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:23,739 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:23,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-04-13 17:25:23,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2025-04-13 17:25:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 348 states have (on average 2.6522988505747125) internal successors, (923), 350 states have internal predecessors, (923), 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 17:25:23,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 923 transitions. [2025-04-13 17:25:23,748 INFO L79 Accepts]: Start accepts. Automaton has 351 states and 923 transitions. Word has length 12 [2025-04-13 17:25:23,748 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:23,748 INFO L485 AbstractCegarLoop]: Abstraction has 351 states and 923 transitions. [2025-04-13 17:25:23,748 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 17:25:23,748 INFO L278 IsEmpty]: Start isEmpty. Operand 351 states and 923 transitions. [2025-04-13 17:25:23,750 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-04-13 17:25:23,750 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:23,750 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:23,758 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 17:25:23,950 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 17:25:23,951 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:23,951 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1551933947, now seen corresponding path program 1 times [2025-04-13 17:25:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:23,951 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77424425] [2025-04-13 17:25:23,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:23,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-13 17:25:24,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-13 17:25:24,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:24,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:24,339 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 17:25:24,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:24,339 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77424425] [2025-04-13 17:25:24,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77424425] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:24,339 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584377103] [2025-04-13 17:25:24,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:24,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:24,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:24,341 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 17:25:24,343 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 17:25:24,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-13 17:25:25,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-13 17:25:25,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:25,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:25,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-13 17:25:25,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:25,230 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 17:25:25,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:25,359 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 17:25:25,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584377103] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:25,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:25,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-04-13 17:25:25,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424442639] [2025-04-13 17:25:25,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:25,360 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-13 17:25:25,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:25,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-13 17:25:25,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2025-04-13 17:25:25,361 INFO L87 Difference]: Start difference. First operand 351 states and 923 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 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 17:25:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:26,438 INFO L93 Difference]: Finished difference Result 705 states and 1865 transitions. [2025-04-13 17:25:26,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-13 17:25:26,438 INFO L79 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 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 23 [2025-04-13 17:25:26,438 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:26,441 INFO L225 Difference]: With dead ends: 705 [2025-04-13 17:25:26,442 INFO L226 Difference]: Without dead ends: 360 [2025-04-13 17:25:26,442 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 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 17:25:26,443 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:26,443 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-04-13 17:25:26,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-04-13 17:25:26,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2025-04-13 17:25:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 357 states have (on average 2.6106442577030813) internal successors, (932), 359 states have internal predecessors, (932), 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 17:25:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 932 transitions. [2025-04-13 17:25:26,462 INFO L79 Accepts]: Start accepts. Automaton has 360 states and 932 transitions. Word has length 23 [2025-04-13 17:25:26,462 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:26,462 INFO L485 AbstractCegarLoop]: Abstraction has 360 states and 932 transitions. [2025-04-13 17:25:26,462 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 16 states have internal predecessors, (35), 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 17:25:26,462 INFO L278 IsEmpty]: Start isEmpty. Operand 360 states and 932 transitions. [2025-04-13 17:25:26,463 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-04-13 17:25:26,463 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:26,463 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:26,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-13 17:25:26,663 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 17:25:26,664 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:26,664 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:26,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1224256037, now seen corresponding path program 2 times [2025-04-13 17:25:26,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:26,665 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468800565] [2025-04-13 17:25:26,665 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:26,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:26,709 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-04-13 17:25:26,762 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 29 statements. [2025-04-13 17:25:26,762 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 17:25:26,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-13 17:25:27,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:27,128 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468800565] [2025-04-13 17:25:27,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468800565] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:27,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:27,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 17:25:27,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285885241] [2025-04-13 17:25:27,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:27,129 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 17:25:27,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:27,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 17:25:27,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 17:25:27,130 INFO L87 Difference]: Start difference. First operand 360 states and 932 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 17:25:27,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:27,312 INFO L93 Difference]: Finished difference Result 360 states and 932 transitions. [2025-04-13 17:25:27,313 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 17:25:27,313 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 29 [2025-04-13 17:25:27,313 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:27,315 INFO L225 Difference]: With dead ends: 360 [2025-04-13 17:25:27,315 INFO L226 Difference]: Without dead ends: 156 [2025-04-13 17:25:27,315 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 17:25:27,316 INFO L437 NwaCegarLoop]: 4 mSDtfsCounter, 36 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:27,316 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 7 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:27,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-04-13 17:25:27,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2025-04-13 17:25:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 2.2193548387096773) internal successors, (344), 155 states have internal predecessors, (344), 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 17:25:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 344 transitions. [2025-04-13 17:25:27,322 INFO L79 Accepts]: Start accepts. Automaton has 156 states and 344 transitions. Word has length 29 [2025-04-13 17:25:27,322 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:27,322 INFO L485 AbstractCegarLoop]: Abstraction has 156 states and 344 transitions. [2025-04-13 17:25:27,322 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 17:25:27,323 INFO L278 IsEmpty]: Start isEmpty. Operand 156 states and 344 transitions. [2025-04-13 17:25:27,323 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-04-13 17:25:27,323 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:27,323 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:27,323 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-13 17:25:27,323 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 6 more)] === [2025-04-13 17:25:27,324 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:27,324 INFO L85 PathProgramCache]: Analyzing trace with hash 539989123, now seen corresponding path program 1 times [2025-04-13 17:25:27,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:27,324 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026438564] [2025-04-13 17:25:27,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:27,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:27,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-13 17:25:27,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-13 17:25:27,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:27,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:27,943 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 17:25:27,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:27,943 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026438564] [2025-04-13 17:25:27,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026438564] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:27,943 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920881318] [2025-04-13 17:25:27,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:27,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:27,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:27,945 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 17:25:27,947 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 17:25:28,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-13 17:25:28,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-13 17:25:28,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:28,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:29,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-13 17:25:29,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:29,181 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 17:25:29,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:29,478 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 17:25:29,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920881318] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:29,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:29,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2025-04-13 17:25:29,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893521980] [2025-04-13 17:25:29,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:29,479 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-13 17:25:29,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:29,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-13 17:25:29,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=821, Unknown=0, NotChecked=0, Total=1122 [2025-04-13 17:25:29,480 INFO L87 Difference]: Start difference. First operand 156 states and 344 transitions. Second operand has 34 states, 34 states have (on average 1.588235294117647) internal successors, (54), 33 states have internal predecessors, (54), 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 17:25:33,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:33,281 INFO L93 Difference]: Finished difference Result 318 states and 728 transitions. [2025-04-13 17:25:33,281 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-13 17:25:33,282 INFO L79 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.588235294117647) internal successors, (54), 33 states have internal predecessors, (54), 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 31 [2025-04-13 17:25:33,282 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:33,283 INFO L225 Difference]: With dead ends: 318 [2025-04-13 17:25:33,283 INFO L226 Difference]: Without dead ends: 174 [2025-04-13 17:25:33,284 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=601, Invalid=1291, Unknown=0, NotChecked=0, Total=1892 [2025-04-13 17:25:33,284 INFO L437 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:33,285 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-04-13 17:25:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-04-13 17:25:33,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2025-04-13 17:25:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 2.092485549132948) internal successors, (362), 173 states have internal predecessors, (362), 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 17:25:33,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 362 transitions. [2025-04-13 17:25:33,296 INFO L79 Accepts]: Start accepts. Automaton has 174 states and 362 transitions. Word has length 31 [2025-04-13 17:25:33,296 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:33,296 INFO L485 AbstractCegarLoop]: Abstraction has 174 states and 362 transitions. [2025-04-13 17:25:33,296 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.588235294117647) internal successors, (54), 33 states have internal predecessors, (54), 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 17:25:33,297 INFO L278 IsEmpty]: Start isEmpty. Operand 174 states and 362 transitions. [2025-04-13 17:25:33,298 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-04-13 17:25:33,298 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:33,298 INFO L218 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:33,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-13 17:25:33,498 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:33,498 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 6 more)] === [2025-04-13 17:25:33,499 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:33,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1831054141, now seen corresponding path program 2 times [2025-04-13 17:25:33,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:33,499 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910915267] [2025-04-13 17:25:33,499 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:33,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:33,551 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-13 17:25:33,989 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-13 17:25:33,990 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-13 17:25:33,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:35,514 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 17:25:35,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:35,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910915267] [2025-04-13 17:25:35,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910915267] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:35,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794817595] [2025-04-13 17:25:35,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:35,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:35,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:35,517 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 17:25:35,518 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 17:25:35,782 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-13 17:25:36,755 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-13 17:25:36,755 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-13 17:25:36,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:36,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-04-13 17:25:36,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:37,428 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 17:25:37,428 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:38,319 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 17:25:38,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794817595] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:38,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:38,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2025-04-13 17:25:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842492868] [2025-04-13 17:25:38,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:38,320 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-04-13 17:25:38,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:38,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-04-13 17:25:38,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1264, Invalid=3706, Unknown=0, NotChecked=0, Total=4970 [2025-04-13 17:25:38,322 INFO L87 Difference]: Start difference. First operand 174 states and 362 transitions. Second operand has 71 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 70 states have internal predecessors, (91), 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 17:26:04,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:26:04,946 INFO L93 Difference]: Finished difference Result 353 states and 785 transitions. [2025-04-13 17:26:04,947 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 17:26:04,947 INFO L79 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 70 states have internal predecessors, (91), 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 43 [2025-04-13 17:26:04,947 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:26:04,948 INFO L225 Difference]: With dead ends: 353 [2025-04-13 17:26:04,948 INFO L226 Difference]: Without dead ends: 203 [2025-04-13 17:26:04,950 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2599 ImplicationChecksByTransitivity, 24.1s TimeCoverageRelationStatistics Valid=2826, Invalid=5730, Unknown=0, NotChecked=0, Total=8556 [2025-04-13 17:26:04,951 INFO L437 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 2186 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 2357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:26:04,951 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 2357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2186 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2025-04-13 17:26:04,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2025-04-13 17:26:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2025-04-13 17:26:04,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.9356435643564356) internal successors, (391), 202 states have internal predecessors, (391), 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 17:26:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 391 transitions. [2025-04-13 17:26:04,969 INFO L79 Accepts]: Start accepts. Automaton has 203 states and 391 transitions. Word has length 43 [2025-04-13 17:26:04,970 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:26:04,971 INFO L485 AbstractCegarLoop]: Abstraction has 203 states and 391 transitions. [2025-04-13 17:26:04,971 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 70 states have internal predecessors, (91), 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 17:26:04,971 INFO L278 IsEmpty]: Start isEmpty. Operand 203 states and 391 transitions. [2025-04-13 17:26:04,971 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-04-13 17:26:04,971 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:26:04,971 INFO L218 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:26:04,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-13 17:26:05,172 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:26:05,173 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 6 more)] === [2025-04-13 17:26:05,173 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:26:05,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1112885949, now seen corresponding path program 3 times [2025-04-13 17:26:05,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:26:05,173 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423328796] [2025-04-13 17:26:05,173 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 17:26:05,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:26:05,234 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 24 equivalence classes. [2025-04-13 17:26:06,219 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) and asserted 67 of 67 statements. [2025-04-13 17:26:06,219 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2025-04-13 17:26:06,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:26:09,625 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 17:26:09,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:26:09,625 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423328796] [2025-04-13 17:26:09,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423328796] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:26:09,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139388315] [2025-04-13 17:26:09,626 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 17:26:09,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:26:09,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:26:09,628 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 17:26:09,629 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 17:26:09,929 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 24 equivalence classes. Received shutdown request... [2025-04-13 17:39:39,971 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-13 17:39:39,975 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 17:39:40,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 [2025-04-13 17:39:41,172 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2025-04-13 17:39:41,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2025-04-13 17:39:41,205 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-13 17:39:41,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-13 17:39:41,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2025-04-13 17:39:41,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856183875] [2025-04-13 17:39:41,206 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-13 17:39:41,206 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-04-13 17:39:41,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:39:41,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-04-13 17:39:41,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=2256, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 17:39:41,207 INFO L87 Difference]: Start difference. First operand 203 states and 391 transitions. Second operand has 49 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 48 states have internal predecessors, (67), 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 17:39:41,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:39:41,210 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=96, Invalid=2256, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 17:39:41,211 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 17:39:41,211 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 17:39:41,212 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2025-04-13 17:39:41,212 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-13 17:39:41,212 WARN L610 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (203states) 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 17:39:41,213 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2025-04-13 17:39:41,213 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2025-04-13 17:39:41,214 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2025-04-13 17:39:41,214 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-04-13 17:39:41,214 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2025-04-13 17:39:41,214 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2025-04-13 17:39:41,214 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2025-04-13 17:39:41,214 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2025-04-13 17:39:41,215 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1] [2025-04-13 17:39:41,218 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 17:39:41,218 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 17:39:41,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 05:39:41 BasicIcfg [2025-04-13 17:39:41,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 17:39:41,222 INFO L158 Benchmark]: Toolchain (without parser) took 870552.50ms. Allocated memory was 125.8MB in the beginning and 377.5MB in the end (delta: 251.7MB). Free memory was 75.1MB in the beginning and 194.5MB in the end (delta: -119.4MB). Peak memory consumption was 132.3MB. Max. memory is 8.0GB. [2025-04-13 17:39:41,222 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:39:41,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4960.03ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 74.5MB in the beginning and 77.5MB in the end (delta: -3.1MB). Peak memory consumption was 120.3MB. Max. memory is 8.0GB. [2025-04-13 17:39:41,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.32ms. Allocated memory is still 239.1MB. Free memory was 77.5MB in the beginning and 65.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 17:39:41,223 INFO L158 Benchmark]: Boogie Preprocessor took 120.14ms. Allocated memory is still 239.1MB. Free memory was 65.6MB in the beginning and 55.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-13 17:39:41,223 INFO L158 Benchmark]: RCFGBuilder took 2736.39ms. Allocated memory was 239.1MB in the beginning and 448.8MB in the end (delta: 209.7MB). Free memory was 54.4MB in the beginning and 163.9MB in the end (delta: -109.5MB). Peak memory consumption was 111.6MB. Max. memory is 8.0GB. [2025-04-13 17:39:41,223 INFO L158 Benchmark]: TraceAbstraction took 862603.41ms. Allocated memory was 448.8MB in the beginning and 377.5MB in the end (delta: -71.3MB). Free memory was 163.9MB in the beginning and 194.5MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:39:41,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4960.03ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 74.5MB in the beginning and 77.5MB in the end (delta: -3.1MB). Peak memory consumption was 120.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 126.32ms. Allocated memory is still 239.1MB. Free memory was 77.5MB in the beginning and 65.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 120.14ms. Allocated memory is still 239.1MB. Free memory was 65.6MB in the beginning and 55.1MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2736.39ms. Allocated memory was 239.1MB in the beginning and 448.8MB in the end (delta: 209.7MB). Free memory was 54.4MB in the beginning and 163.9MB in the end (delta: -109.5MB). Peak memory consumption was 111.6MB. Max. memory is 8.0GB. * TraceAbstraction took 862603.41ms. Allocated memory was 448.8MB in the beginning and 377.5MB in the end (delta: -71.3MB). Free memory was 163.9MB in the beginning and 194.5MB in the end (delta: -30.6MB). 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 (203states) 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 (203states) 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 (203states) 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 (203states) 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 (203states) 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 (203states) 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, 87 locations, 128 edges, 9 error locations. Started 1 CEGAR loops. OverallTime: 862.4s, OverallIterations: 10, TraceHistogramMax: 46, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 32.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 145 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 303 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4670 IncrementalHoareTripleChecker+Invalid, 4973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 303 mSolverCounterUnsat, 27 mSDtfsCounter, 4670 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 355 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3275 ImplicationChecksByTransitivity, 28.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=3, 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 347 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 2487 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3858 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 75/2123 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