/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_open_pc8736x_gpio_change.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 17:25:40,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 17:25:40,152 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 17:25:40,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 17:25:40,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 17:25:40,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 17:25:40,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 17:25:40,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 17:25:40,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 17:25:40,179 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 17:25:40,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 17:25:40,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 17:25:40,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 17:25:40,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 17:25:40,180 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 17:25:40,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 17:25:40,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 17:25:40,180 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 17:25:40,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:40,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:40,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:40,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 17:25:40,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 17:25:40,182 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 17:25:40,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 17:25:40,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 17:25:40,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 17:25:40,427 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 17:25:40,427 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 17:25:40,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2025-04-13 17:25:41,736 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/decae2bc1/7a669cfa404b407cb640d0fec645fb29/FLAG734c6c5ab [2025-04-13 17:25:42,225 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 17:25:42,225 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2025-04-13 17:25:42,259 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/decae2bc1/7a669cfa404b407cb640d0fec645fb29/FLAG734c6c5ab [2025-04-13 17:25:42,738 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/decae2bc1/7a669cfa404b407cb640d0fec645fb29 [2025-04-13 17:25:42,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 17:25:42,740 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 17:25:42,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:42,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 17:25:42,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 17:25:42,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:42" (1/1) ... [2025-04-13 17:25:42,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749d0557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:42, skipping insertion in model container [2025-04-13 17:25:42,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:42" (1/1) ... [2025-04-13 17:25:42,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 17:25:43,099 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_open_pc8736x_gpio_change.i[5520,5533] [2025-04-13 17:25:47,114 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:47,114 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:47,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:47,176 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 17:25:47,193 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_open_pc8736x_gpio_change.i[5520,5533] [2025-04-13 17:25:47,281 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 17:25:47,283 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 17:25:47,283 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 17:25:47,283 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 17:25:47,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-13 17:25:47,395 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:47,395 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:47,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:47,743 INFO L204 MainTranslator]: Completed translation [2025-04-13 17:25:47,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47 WrapperNode [2025-04-13 17:25:47,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:47,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:47,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 17:25:47,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 17:25:47,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,879 INFO L138 Inliner]: procedures = 1392, calls = 1531, calls flagged for inlining = 397, calls inlined = 56, statements flattened = 750 [2025-04-13 17:25:47,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:47,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 17:25:47,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 17:25:47,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 17:25:47,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,929 INFO L175 MemorySlicer]: Split 71 memory accesses to 12 slices as follows [2, 1, 2, 1, 2, 4, 10, 9, 9, 25, 4, 2]. 35 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 1, 0, 0, 2, 0, 8, 4, 4, 25, 4, 0]. The 7 writes are split as follows [0, 0, 1, 0, 0, 1, 1, 2, 0, 0, 0, 2]. [2025-04-13 17:25:47,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,960 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:47,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:48,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 17:25:48,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 17:25:48,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 17:25:48,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 17:25:48,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (1/1) ... [2025-04-13 17:25:48,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:48,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:48,038 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 17:25:48,040 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 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-13 17:25:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 17:25:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 17:25:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 17:25:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2025-04-13 17:25:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-13 17:25:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-13 17:25:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-13 17:25:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-13 17:25:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-13 17:25:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-13 17:25:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-13 17:25:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-13 17:25:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-04-13 17:25:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-04-13 17:25:48,064 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 17:25:48,430 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 17:25:48,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 17:25:49,093 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 17:25:49,094 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 17:25:49,094 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 17:25:50,574 INFO L313 CfgBuilder]: Removed 12 assume(true) statements. [2025-04-13 17:25:50,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:50 BoogieIcfgContainer [2025-04-13 17:25:50,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 17:25:50,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 17:25:50,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 17:25:50,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 17:25:50,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:25:42" (1/3) ... [2025-04-13 17:25:50,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7319242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:50, skipping insertion in model container [2025-04-13 17:25:50,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:47" (2/3) ... [2025-04-13 17:25:50,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7319242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:50, skipping insertion in model container [2025-04-13 17:25:50,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:50" (3/3) ... [2025-04-13 17:25:50,581 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2025-04-13 17:25:50,593 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 17:25:50,596 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i that has 3 procedures, 44 locations, 72 edges, 1 initial locations, 15 loop locations, and 4 error locations. [2025-04-13 17:25:50,596 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 17:25:50,741 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 17:25:50,768 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 74 transitions, 162 flow [2025-04-13 17:25:50,796 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 172 states, 166 states have (on average 2.9698795180722892) internal successors, (493), 171 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:50,818 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 17:25:50,827 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;@313a5cca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 17:25:50,827 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-13 17:25:50,832 INFO L278 IsEmpty]: Start isEmpty. Operand has 172 states, 166 states have (on average 2.9698795180722892) internal successors, (493), 171 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:50,836 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-04-13 17:25:50,837 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:50,837 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-04-13 17:25:50,837 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:50,841 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:50,841 INFO L85 PathProgramCache]: Analyzing trace with hash 2118088, now seen corresponding path program 1 times [2025-04-13 17:25:50,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:50,847 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641119556] [2025-04-13 17:25:50,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:50,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:51,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-13 17:25:51,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-13 17:25:51,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:51,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:51,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:51,632 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641119556] [2025-04-13 17:25:51,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641119556] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:51,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:51,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-13 17:25:51,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781889035] [2025-04-13 17:25:51,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:51,638 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-13 17:25:51,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:51,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-13 17:25:51,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 17:25:51,653 INFO L87 Difference]: Start difference. First operand has 172 states, 166 states have (on average 2.9698795180722892) internal successors, (493), 171 states have internal predecessors, (493), 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 17:25:51,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:51,822 INFO L93 Difference]: Finished difference Result 298 states and 899 transitions. [2025-04-13 17:25:51,824 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:25:51,825 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 17:25:51,827 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:51,835 INFO L225 Difference]: With dead ends: 298 [2025-04-13 17:25:51,835 INFO L226 Difference]: Without dead ends: 126 [2025-04-13 17:25:51,838 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 17:25:51,842 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:51,842 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 17:25:51,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-04-13 17:25:51,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-04-13 17:25:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.432) internal successors, (304), 125 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 304 transitions. [2025-04-13 17:25:51,879 INFO L79 Accepts]: Start accepts. Automaton has 126 states and 304 transitions. Word has length 3 [2025-04-13 17:25:51,879 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:51,879 INFO L485 AbstractCegarLoop]: Abstraction has 126 states and 304 transitions. [2025-04-13 17:25:51,879 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 17:25:51,880 INFO L278 IsEmpty]: Start isEmpty. Operand 126 states and 304 transitions. [2025-04-13 17:25:51,880 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-04-13 17:25:51,881 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:51,881 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:51,881 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 17:25:51,881 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:51,882 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:51,882 INFO L85 PathProgramCache]: Analyzing trace with hash -545784142, now seen corresponding path program 1 times [2025-04-13 17:25:51,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:51,883 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188588891] [2025-04-13 17:25:51,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:51,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-13 17:25:52,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-13 17:25:52,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:52,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:52,416 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 17:25:52,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:52,417 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188588891] [2025-04-13 17:25:52,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188588891] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:52,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:52,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:25:52,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428786998] [2025-04-13 17:25:52,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:52,418 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:52,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:52,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:52,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:52,418 INFO L87 Difference]: Start difference. First operand 126 states and 304 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:52,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:52,573 INFO L93 Difference]: Finished difference Result 251 states and 607 transitions. [2025-04-13 17:25:52,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:52,573 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-04-13 17:25:52,574 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:52,575 INFO L225 Difference]: With dead ends: 251 [2025-04-13 17:25:52,575 INFO L226 Difference]: Without dead ends: 127 [2025-04-13 17:25:52,575 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 17:25:52,576 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:52,576 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 17:25:52,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-04-13 17:25:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-04-13 17:25:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 2.4206349206349205) internal successors, (305), 126 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 305 transitions. [2025-04-13 17:25:52,586 INFO L79 Accepts]: Start accepts. Automaton has 127 states and 305 transitions. Word has length 14 [2025-04-13 17:25:52,586 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:52,586 INFO L485 AbstractCegarLoop]: Abstraction has 127 states and 305 transitions. [2025-04-13 17:25:52,586 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:52,586 INFO L278 IsEmpty]: Start isEmpty. Operand 127 states and 305 transitions. [2025-04-13 17:25:52,586 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-04-13 17:25:52,586 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:52,587 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:52,587 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 17:25:52,587 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:52,587 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:52,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1868280249, now seen corresponding path program 1 times [2025-04-13 17:25:52,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:52,587 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820912068] [2025-04-13 17:25:52,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:52,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:52,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-13 17:25:52,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-13 17:25:52,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:52,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:53,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:53,043 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820912068] [2025-04-13 17:25:53,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820912068] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:53,043 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737807777] [2025-04-13 17:25:53,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:53,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:53,046 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 17:25:53,048 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 17:25:53,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-13 17:25:53,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-13 17:25:53,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:53,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:53,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-13 17:25:53,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-13 17:25:53,641 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-13 17:25:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737807777] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:53,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-13 17:25:53,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-04-13 17:25:53,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721346511] [2025-04-13 17:25:53,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:53,642 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 17:25:53,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:53,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 17:25:53,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-13 17:25:53,642 INFO L87 Difference]: Start difference. First operand 127 states and 305 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:53,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:53,844 INFO L93 Difference]: Finished difference Result 240 states and 585 transitions. [2025-04-13 17:25:53,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 17:25:53,844 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2025-04-13 17:25:53,844 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:53,845 INFO L225 Difference]: With dead ends: 240 [2025-04-13 17:25:53,845 INFO L226 Difference]: Without dead ends: 123 [2025-04-13 17:25:53,846 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-13 17:25:53,846 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 46 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:53,847 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:53,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-04-13 17:25:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-04-13 17:25:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 2.418032786885246) internal successors, (295), 122 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 295 transitions. [2025-04-13 17:25:53,856 INFO L79 Accepts]: Start accepts. Automaton has 123 states and 295 transitions. Word has length 15 [2025-04-13 17:25:53,856 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:53,856 INFO L485 AbstractCegarLoop]: Abstraction has 123 states and 295 transitions. [2025-04-13 17:25:53,857 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:53,857 INFO L278 IsEmpty]: Start isEmpty. Operand 123 states and 295 transitions. [2025-04-13 17:25:53,857 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-04-13 17:25:53,857 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:53,857 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:53,867 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 17:25:54,058 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 17:25:54,060 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:54,061 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:54,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1919607689, now seen corresponding path program 1 times [2025-04-13 17:25:54,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:54,061 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46976438] [2025-04-13 17:25:54,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:54,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:54,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-13 17:25:54,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-13 17:25:54,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:54,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-13 17:25:54,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:54,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46976438] [2025-04-13 17:25:54,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46976438] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:54,238 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564020034] [2025-04-13 17:25:54,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:54,239 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 17:25:54,242 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 17:25:54,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-13 17:25:54,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-13 17:25:54,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:54,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:54,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-13 17:25:54,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-13 17:25:54,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-13 17:25:54,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564020034] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:54,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:54,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-04-13 17:25:54,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140796296] [2025-04-13 17:25:54,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:54,681 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-13 17:25:54,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:54,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-13 17:25:54,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-13 17:25:54,681 INFO L87 Difference]: Start difference. First operand 123 states and 295 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:54,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:54,868 INFO L93 Difference]: Finished difference Result 238 states and 579 transitions. [2025-04-13 17:25:54,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-13 17:25:54,868 INFO L79 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2025-04-13 17:25:54,868 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:54,869 INFO L225 Difference]: With dead ends: 238 [2025-04-13 17:25:54,869 INFO L226 Difference]: Without dead ends: 126 [2025-04-13 17:25:54,869 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-13 17:25:54,870 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:54,870 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:54,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-04-13 17:25:54,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-04-13 17:25:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 2.384) internal successors, (298), 125 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 298 transitions. [2025-04-13 17:25:54,878 INFO L79 Accepts]: Start accepts. Automaton has 126 states and 298 transitions. Word has length 21 [2025-04-13 17:25:54,879 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:54,879 INFO L485 AbstractCegarLoop]: Abstraction has 126 states and 298 transitions. [2025-04-13 17:25:54,879 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:54,879 INFO L278 IsEmpty]: Start isEmpty. Operand 126 states and 298 transitions. [2025-04-13 17:25:54,879 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-04-13 17:25:54,879 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:54,879 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, 1] [2025-04-13 17:25:54,887 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 17:25:55,080 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-04-13 17:25:55,080 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:55,081 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:55,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1127980976, now seen corresponding path program 2 times [2025-04-13 17:25:55,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:55,081 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217734091] [2025-04-13 17:25:55,081 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:55,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:55,161 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-04-13 17:25:55,198 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 24 statements. [2025-04-13 17:25:55,198 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 17:25:55,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-04-13 17:25:55,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:55,347 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217734091] [2025-04-13 17:25:55,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217734091] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:55,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:55,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 17:25:55,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629206424] [2025-04-13 17:25:55,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:55,348 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:55,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:55,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:55,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:55,348 INFO L87 Difference]: Start difference. First operand 126 states and 298 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:55,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:55,468 INFO L93 Difference]: Finished difference Result 246 states and 587 transitions. [2025-04-13 17:25:55,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:55,468 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 24 [2025-04-13 17:25:55,469 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:55,469 INFO L225 Difference]: With dead ends: 246 [2025-04-13 17:25:55,470 INFO L226 Difference]: Without dead ends: 127 [2025-04-13 17:25:55,470 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:55,470 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:55,470 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 17:25:55,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-04-13 17:25:55,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-04-13 17:25:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 2.373015873015873) internal successors, (299), 126 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 299 transitions. [2025-04-13 17:25:55,479 INFO L79 Accepts]: Start accepts. Automaton has 127 states and 299 transitions. Word has length 24 [2025-04-13 17:25:55,479 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:55,479 INFO L485 AbstractCegarLoop]: Abstraction has 127 states and 299 transitions. [2025-04-13 17:25:55,480 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:55,480 INFO L278 IsEmpty]: Start isEmpty. Operand 127 states and 299 transitions. [2025-04-13 17:25:55,480 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-04-13 17:25:55,480 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:55,480 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, 1, 1] [2025-04-13 17:25:55,480 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-13 17:25:55,480 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:55,481 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:55,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1982711852, now seen corresponding path program 1 times [2025-04-13 17:25:55,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:55,481 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626522223] [2025-04-13 17:25:55,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:55,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:55,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-13 17:25:55,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-13 17:25:55,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:55,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-04-13 17:25:55,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:55,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626522223] [2025-04-13 17:25:55,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626522223] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:55,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106184292] [2025-04-13 17:25:55,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:55,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:55,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:55,807 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 17:25:55,808 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 17:25:56,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-13 17:25:56,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-13 17:25:56,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:56,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:56,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-13 17:25:56,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-04-13 17:25:56,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-04-13 17:25:56,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106184292] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:56,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:56,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-04-13 17:25:56,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959860929] [2025-04-13 17:25:56,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:56,377 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-13 17:25:56,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:56,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-13 17:25:56,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-04-13 17:25:56,378 INFO L87 Difference]: Start difference. First operand 127 states and 299 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 17:25:56,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:56,607 INFO L93 Difference]: Finished difference Result 255 states and 602 transitions. [2025-04-13 17:25:56,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-13 17:25:56,607 INFO L79 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 25 [2025-04-13 17:25:56,607 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:56,608 INFO L225 Difference]: With dead ends: 255 [2025-04-13 17:25:56,608 INFO L226 Difference]: Without dead ends: 131 [2025-04-13 17:25:56,609 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 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 17:25:56,609 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:56,609 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:56,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-04-13 17:25:56,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-04-13 17:25:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 2.330769230769231) internal successors, (303), 130 states have internal predecessors, (303), 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 17:25:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 303 transitions. [2025-04-13 17:25:56,623 INFO L79 Accepts]: Start accepts. Automaton has 131 states and 303 transitions. Word has length 25 [2025-04-13 17:25:56,623 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:56,623 INFO L485 AbstractCegarLoop]: Abstraction has 131 states and 303 transitions. [2025-04-13 17:25:56,623 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 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 17:25:56,623 INFO L278 IsEmpty]: Start isEmpty. Operand 131 states and 303 transitions. [2025-04-13 17:25:56,625 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-04-13 17:25:56,625 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:56,625 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:56,635 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 17:25:56,826 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 17:25:56,826 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:56,826 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1523355045, now seen corresponding path program 2 times [2025-04-13 17:25:56,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:56,827 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827681801] [2025-04-13 17:25:56,827 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:56,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:56,876 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-04-13 17:25:57,000 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 19 of 29 statements. [2025-04-13 17:25:57,000 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 17:25:57,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-04-13 17:25:57,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:57,268 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827681801] [2025-04-13 17:25:57,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827681801] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:57,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:57,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:25:57,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214453708] [2025-04-13 17:25:57,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:57,268 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:57,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:57,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:57,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:57,269 INFO L87 Difference]: Start difference. First operand 131 states and 303 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 17:25:57,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:57,406 INFO L93 Difference]: Finished difference Result 131 states and 303 transitions. [2025-04-13 17:25:57,407 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:57,407 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 17:25:57,407 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:57,407 INFO L225 Difference]: With dead ends: 131 [2025-04-13 17:25:57,407 INFO L226 Difference]: Without dead ends: 0 [2025-04-13 17:25:57,407 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 17:25:57,408 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:57,408 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 17:25:57,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-04-13 17:25:57,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-04-13 17:25:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 17:25:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-04-13 17:25:57,409 INFO L79 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2025-04-13 17:25:57,409 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:57,409 INFO L485 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-13 17:25:57,409 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 17:25:57,409 INFO L278 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-04-13 17:25:57,409 INFO L284 IsEmpty]: Finished isEmpty. No accepting run. [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2025-04-13 17:25:57,412 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2025-04-13 17:25:57,413 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2025-04-13 17:25:57,413 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-13 17:25:57,415 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1] [2025-04-13 17:25:57,418 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 17:25:57,418 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 17:25:57,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 05:25:57 BasicIcfg [2025-04-13 17:25:57,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 17:25:57,422 INFO L158 Benchmark]: Toolchain (without parser) took 14681.77ms. Allocated memory was 155.2MB in the beginning and 675.3MB in the end (delta: 520.1MB). Free memory was 98.3MB in the beginning and 344.7MB in the end (delta: -246.5MB). Peak memory consumption was 273.6MB. Max. memory is 8.0GB. [2025-04-13 17:25:57,422 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:25:57,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5002.94ms. Allocated memory was 155.2MB in the beginning and 398.5MB in the end (delta: 243.3MB). Free memory was 98.3MB in the beginning and 318.6MB in the end (delta: -220.4MB). Peak memory consumption was 115.0MB. Max. memory is 8.0GB. [2025-04-13 17:25:57,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.09ms. Allocated memory is still 398.5MB. Free memory was 318.6MB in the beginning and 306.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 17:25:57,423 INFO L158 Benchmark]: Boogie Preprocessor took 129.04ms. Allocated memory is still 398.5MB. Free memory was 306.0MB in the beginning and 294.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 17:25:57,423 INFO L158 Benchmark]: RCFGBuilder took 2565.01ms. Allocated memory is still 398.5MB. Free memory was 294.2MB in the beginning and 94.5MB in the end (delta: 199.7MB). Peak memory consumption was 243.0MB. Max. memory is 8.0GB. [2025-04-13 17:25:57,423 INFO L158 Benchmark]: TraceAbstraction took 6845.55ms. Allocated memory was 398.5MB in the beginning and 675.3MB in the end (delta: 276.8MB). Free memory was 92.4MB in the beginning and 344.7MB in the end (delta: -252.4MB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. [2025-04-13 17:25:57,424 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5002.94ms. Allocated memory was 155.2MB in the beginning and 398.5MB in the end (delta: 243.3MB). Free memory was 98.3MB in the beginning and 318.6MB in the end (delta: -220.4MB). Peak memory consumption was 115.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 135.09ms. Allocated memory is still 398.5MB. Free memory was 318.6MB in the beginning and 306.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 129.04ms. Allocated memory is still 398.5MB. Free memory was 306.0MB in the beginning and 294.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 2565.01ms. Allocated memory is still 398.5MB. Free memory was 294.2MB in the beginning and 94.5MB in the end (delta: 199.7MB). Peak memory consumption was 243.0MB. Max. memory is 8.0GB. * TraceAbstraction took 6845.55ms. Allocated memory was 398.5MB in the beginning and 675.3MB in the end (delta: 276.8MB). Free memory was 92.4MB in the beginning and 344.7MB in the end (delta: -252.4MB). Peak memory consumption was 22.4MB. 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 - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 67 locations, 108 edges, 9 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 790 IncrementalHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 5 mSDtfsCounter, 790 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 192 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 436 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2399 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 71/78 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-13 17:25:57,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...